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zN;K3GoR1}O%AqAjHC0FlnGE`6`ONN=+Ze;;ga9k6m+{K~u3KV7TKsR?*V7Lj*dI_$ z1AxL3RXPw9!pz)-pvI<}FW_MnE9~n)#oS>6Wzis3rkpxBrWEQ-zQ-Iu`Pbh9NE=|qovmd_%R~q&OXjfX4cctNw3b9sktVFGg*-!ku*AX#s zL>SaA%2zcQf?ee{+EK9zRkV&AN?aX<-1sR-Oj7c=A2zI%RlFLSA02Zxd zwI5Skm)K{{?@y|9aUg=qFjIRB==#zw$xduz>k?a139xzSwj_f=1E+0$oOw(b;~b3M z(+*<;quue){wzfxyqQ2?LF715(Q%pB#<_{85Z$LZ!a{dW3t5kvw>1_m|F{_0!ToGH zvNJn#E)c%!l>hd;^{*eBTOicGHJ`uO`sZ^#z1sNKtMv^&ZU6H{Yhy>Awp-7eFR*%W zWJM?WySZI6-Qrbr@M+&4$iePfGp2C8MWVlEVBjWQoE_nx&FuG~`!+N_lRNGLudIstp3|3)w@2d#WZCqS61M-B zp098GfLOSXqXb}a{0ydYoK~)}_+9``#!Niy6VG9Vq Some thing goes wrong..."); +} + +for (let i=0; i<25; i++) { + let S = "" +i; + while (S.length<16) S = "0"+S; + const P = generatePoint("Iden3_PedersenGenerator_"+S); + console.log(`[${P[0].toString()}, ${P[1].toString()}]`); +} + + + diff --git a/@tornado/circomlib/circuits/README.md b/@tornado/circomlib/circuits/README.md new file mode 100644 index 0000000..afd4a1f --- /dev/null +++ b/@tornado/circomlib/circuits/README.md @@ -0,0 +1,830 @@ +# CircomLib/Circuits + +## Description + +- This folder contains circuit templates for standard operations and many cryptographic primitives. +- Below you can find specifications of each function. In the representation of elements, there are three tyes: + - Binary + - String + - Field element (the field is specified in each case. We consider 2 possible fields: Fp and Fr, where p... and r... .) + +## Table of Contents + +[TOC] + +## Jordi + +* compconstant - Returns 1 if `in` (expanded to binary array) > `ct` +* aliascheck - check if `in` (expanded to binary array) oveflowed its 254 bits (<= -1) +* babyjub - twisted Edwards curve 168700.x^2 + y^2 = 1 + 168696.x^2.y^2 + * BabyAdd - (`xout`,`yout`) = (`x1`,`y1`) + (`x2`,`y2`) + * BabyDbl - (`xout`,`yout`) = 2*(`x`,`y`) + * BabyCheck - check that (`x`,`y`) is on the curve +* binsub - binary subtraction +* gates - logical gates +* mimc - SNARK-friendly hash Minimal Multiplicative Complexity. + * https://eprint.iacr.org/2016/492.pdf + * zcash/zcash#2233 +* smt - Sparse Merkle Tree + * https://ethresear.ch/t/optimizing-sparse-merkle-trees/3751 +* montgomery https://en.wikipedia.org/wiki/Montgomery_curve + +## Circuits + +### sha256 + +Folder containing the implementation of sha256 hash circuit. + +### smt + +Folder containing the circuit implementation of Sparse Merkle Trees. + +### aliascheck + +- `AliasCheck()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### babyjub + +Arithmetic on [Baby Jubjub elliptic curve](https://github.com/barryWhiteHat/baby_jubjub) in twisted Edwards form. (TODO: Expose here the characteristics of the curve?) + + +- `BabyAdd()` + + - DESCRIPTION + + It adds two points on the Baby Jubjub curve. More specifically, given two points P1 = (`x1`, `y1`) and P2 = (`x2`, `y2`) it returns a point P3 = (`xout`, `yout`) such that + + (`xout`, `yout`) = (`x1`,`y1`) + (`x2`,`y2`) + = ((`x1y2`+`y1x2`)/(1+`dx1x2y1y2`)),(`y1y2`-`ax1x2`)/(1-`dx1x2y1y2`)) + + - SCHEMA + ``` + var a var d + | | + | | + ______v_________v_______ + input x1 ----> | | + input y1 ----> | BabyAdd() | ----> output xout + input x2 ----> | | ----> output yout + input y2 ----> |________________________| + ``` + + - INPUTS + + | Input | Representation | Description | | + | ------------- | ------------- | ------------- | ------------- | + | `x1` | Bigint | Field element of Fp | First coordinate of a point (x1, y1) on E. | + | `y1` | Bigint | Field element of Fp | Second coordinate of a point (x1, y1) on E. | + | `x2` | Bigint | Field element of Fp | First coordinate of a point (x2, y2) on E. | + | `y2` | Bigint | Field element of Fp | Second coordinate of a point (x2, y2) on E. | + + Requirement: at least `x1`!=`x2` or `y1`!=`y2`. + + - OUTPUT + + | Input | Representation | Description | | + | ------------- | ------------- | ------------- | ------------- | + | `xout` | Bigint | Field element of Fp | First coordinate of the addition point (xout, yout) = (x1, y1) + (x2, y2). | + | `yout` | Bigint | Field element of Fp | Second coordinate of the addition point (xout, yout) = (x1, y1) + (x2, y2). | + + - BENCHMARKS (constraints) + + - EXAMPLE + +- `BabyDbl()` + - DESCRIPTION : doubles a point (`xout`,`yout`) = 2*(`x`,`y`). + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `BabyCheck()` + + - DESCRIPTION : checks if a given point is in the curve. + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `BabyPbk()` + + - DESCRIPTION: : given a private key, it returns the associated public key. + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + + +### binsub + +- `BinSub(n)` + + - DESCRIPTION: binary substraction. + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### binsum + +- `nbits(a)` + + - DESCRIPTION : binary sum. + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `BinSum(n, ops)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### bitify + +- `Num2Bits()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `Num2Bits_strict()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `Bits2Num()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `Bits2Num_strict()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `Num2BitsNeg()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### comparators + +- `IsZero() ` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `IsEqual()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `ForceEqualIfEnabled()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `LessThan()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `GreaterThan()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `GreaterEqThan()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### compconstant + +- `CompConstant(ct)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### eddsa + +Edwards Digital Signature Algorithm in Baby Jubjbub (link a eddsa) + +- `EdDSAVerifier(n)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### eddsamimc + +- `EdDSAMiMCVerifier()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### eddsamimcsponge + +- `EdDSAMiMCSpongeVerifier()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### eddsaposeidon + +- `EdDSAPoseidonVerifier()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### escalarmul + +- `EscalarMulWindow(base, k)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `EscalarMul(n, base)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### escalarmulany + +- `Multiplexor2()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `BitElementMulAny()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `SegmentMulAny(n)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `EscalarMulAny(n)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### escalarmulfix + +- `WindowMulFix()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `SegmentMulFix(nWindows)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `EscalarMulFix(n, BASE)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### escalarmulw4table + +- `pointAdd` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `EscalarMulW4Table` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### gates + +- `XOR` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `AND` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `OR` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `NOT` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `NAND` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `NOR` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `MultiAND` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### mimc + +Implementation of MiMC-7 hash in Fp being... (link to description of the hash) + +- `MiMC7(nrounds)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `MultiMiMC7(nInputs, nRounds)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### mimcsponge + +- `MiMCSponge(nInputs, nOutputs)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `MiMCFeistel(nrounds)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### montgomery + +- `Edwards2Montgomery()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `Montgomery2Edwards()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `MontgomeryAdd()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `MontgomeryDouble()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### multiplexer + +- `log2(a)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `EscalarProduct(w)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `Decoder(w)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `Multiplexer(wIn, nIn)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### mux1 + +- `MultiMux1(n)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `Mux1()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### mux2 + +- `MultiMux2(n)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `Mux2()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### mux3 + +- `MultiMux3(n)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `Mux3()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### mux4 + +- `MultiMux4(n)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `Mux4()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### pedersen_old + +Old version of the Pedersen hash (do not use any +more?). + +### pedersen + +- `Window4()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `Segment(nWindows)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `Pedersen(n)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### pointbits + +- `sqrt(n)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `Bits2Point()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `Bits2Point_Strict()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `Point2Bits` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `Point2Bits_Strict` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### poseidon + +Implementation of Poseidon hash function (LINK) + +- `Sigma()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `Ark(t, C)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `Mix(t, M)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +- `Poseidon(nInputs, t, nRoundsF, nRoundsP)` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### sign + +- `Sign()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE + +### switcher + +- `Switcher()` + + - DESCRIPTION + - SCHEMA + - INPUT + - OUTPUT + - BENCHMARKS + - EXAMPLE diff --git a/@tornado/circomlib/circuits/aliascheck.circom b/@tornado/circomlib/circuits/aliascheck.circom new file mode 100644 index 0000000..a5e8fb7 --- /dev/null +++ b/@tornado/circomlib/circuits/aliascheck.circom @@ -0,0 +1,43 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "compconstant.circom"; + + +template AliasCheck() { + signal input in[254]; + + component compConstant = CompConstant(-1); + + for (var i=0; i<254; i++) in[i] ==> compConstant.in[i]; + + compConstant.out === 0; +} + +template AliasCheckBabyJub() { + signal input in[251]; + signal input enabled; + + component compConstant = CompConstant(2736030358979909402780800718157159386076813972158567259200215660948447373040); + + for (var i=0; i<251; i++) in[i] ==> compConstant.in[i]; + for (var i=0; i<3; i++) 0 ==> compConstant.in[251+i]; + + compConstant.out*enabled === 0; +} diff --git a/@tornado/circomlib/circuits/babyjub.circom b/@tornado/circomlib/circuits/babyjub.circom new file mode 100644 index 0000000..a9c0432 --- /dev/null +++ b/@tornado/circomlib/circuits/babyjub.circom @@ -0,0 +1,106 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "bitify.circom"; +include "escalarmulfix.circom"; + +template BabyAdd() { + signal input x1; + signal input y1; + signal input x2; + signal input y2; + signal output xout; + signal output yout; + + signal beta; + signal gamma; + signal delta; + signal tau; + + var a = 168700; + var d = 168696; + + beta <== x1*y2; + gamma <== y1*x2; + delta <== (-a*x1+y1)*(x2 + y2); + tau <== beta * gamma; + + xout <-- (beta + gamma) / (1+ d*tau); + (1+ d*tau) * xout === (beta + gamma); + + yout <-- (delta + a*beta - gamma) / (1-d*tau); + (1-d*tau)*yout === (delta + a*beta - gamma); +} + +template BabyDbl() { + signal input x; + signal input y; + signal output xout; + signal output yout; + + component adder = BabyAdd(); + adder.x1 <== x; + adder.y1 <== y; + adder.x2 <== x; + adder.y2 <== y; + + adder.xout ==> xout; + adder.yout ==> yout; +} + + +template BabyCheck() { + signal input x; + signal input y; + + signal x2; + signal y2; + + var a = 168700; + var d = 168696; + + x2 <== x*x; + y2 <== y*y; + + a*x2 + y2 === 1 + d*x2*y2; +} + +// Extracts the public key from private key, as mentioned in https://tools.ietf.org/html/rfc8032 +template BabyPbk() { + signal private input in; + signal output Ax; + signal output Ay; + + var BASE8 = [ + 5299619240641551281634865583518297030282874472190772894086521144482721001553, + 16950150798460657717958625567821834550301663161624707787222815936182638968203 + ]; + + component pvkBits = Num2Bits(253); + pvkBits.in <== in; + + component mulFix = EscalarMulFix(253, BASE8); + + var i; + for (i=0; i<253; i++) { + mulFix.e[i] <== pvkBits.out[i]; + } + Ax <== mulFix.out[0]; + Ay <== mulFix.out[1]; +} diff --git a/@tornado/circomlib/circuits/binsub.circom b/@tornado/circomlib/circuits/binsub.circom new file mode 100644 index 0000000..ec52d83 --- /dev/null +++ b/@tornado/circomlib/circuits/binsub.circom @@ -0,0 +1,71 @@ + /* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +/* +This component creates a binary substraction. + + +Main Constraint: + (in[0][0] * 2^0 + in[0][1] * 2^1 + ..... + in[0][n-1] * 2^(n-1)) + + + 2^n + - (in[1][0] * 2^0 + in[1][1] * 2^1 + ..... + in[1][n-1] * 2^(n-1)) + === + out[0] * 2^0 + out[1] * 2^1 + + out[n-1] *2^(n-1) + aux + + + out[0] * (out[0] - 1) === 0 + out[1] * (out[0] - 1) === 0 + . + . + . + out[n-1] * (out[n-1] - 1) === 0 + aux * (aux-1) == 0 + +*/ + +template BinSub(n) { + signal input in[2][n]; + signal output out[n]; + + signal aux; + + var lin = 2**n; + var lout = 0; + + for (var i=0; i> i) & 1; + + // Ensure out is binary + out[i] * (out[i] - 1) === 0; + + lout = lout + out[i]*(2**i); + } + + aux <-- (lin >> n) & 1; + aux*(aux-1) === 0; + lout = lout + aux*(2**n); + + // Ensure the sum; + lin === lout; +} diff --git a/@tornado/circomlib/circuits/binsum.circom b/@tornado/circomlib/circuits/binsum.circom new file mode 100644 index 0000000..34b561f --- /dev/null +++ b/@tornado/circomlib/circuits/binsum.circom @@ -0,0 +1,95 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +/* + +Binary Sum +========== + +This component creates a binary sum componet of ops operands and n bits each operand. + +e is Number of carries: Depends on the number of operands in the input. + +Main Constraint: + in[0][0] * 2^0 + in[0][1] * 2^1 + ..... + in[0][n-1] * 2^(n-1) + + + in[1][0] * 2^0 + in[1][1] * 2^1 + ..... + in[1][n-1] * 2^(n-1) + + + .. + + in[ops-1][0] * 2^0 + in[ops-1][1] * 2^1 + ..... + in[ops-1][n-1] * 2^(n-1) + + === + out[0] * 2^0 + out[1] * 2^1 + + out[n+e-1] *2(n+e-1) + +To waranty binary outputs: + + out[0] * (out[0] - 1) === 0 + out[1] * (out[0] - 1) === 0 + . + . + . + out[n+e-1] * (out[n+e-1] - 1) == 0 + + */ + + +/* + This function calculates the number of extra bits in the output to do the full sum. + */ + +/* a must be < Nq/2, where Nq is the number of elements in the scalar field */ +function nbits(a) { + var n = 1; + var r = 0; + while (n-1> k) & 1; + + // Ensure out is binary + out[k] * (out[k] - 1) === 0; + + lout += out[k] * 2**k; + } + + // Ensure the sum; + + lin === lout; +} diff --git a/@tornado/circomlib/circuits/bitify.circom b/@tornado/circomlib/circuits/bitify.circom new file mode 100644 index 0000000..470e0c8 --- /dev/null +++ b/@tornado/circomlib/circuits/bitify.circom @@ -0,0 +1,103 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "comparators.circom"; +include "aliascheck.circom"; + + +/* This doesn't check aliasing, so for n > 253 there are multiple bit strings for each number */ +template Num2Bits(n) { + signal input in; + signal output out[n]; + var lc1=0; + + for (var i = 0; i> i) & 1; + out[i] * (out[i] -1 ) === 0; + lc1 += out[i] * 2**i; + } + + lc1 === in; +} + +template Num2Bits_strict() { + signal input in; + signal output out[254]; + + component aliasCheck = AliasCheck(); + component n2b = Num2Bits(254); + in ==> n2b.in; + + for (var i=0; i<254; i++) { + n2b.out[i] ==> out[i]; + n2b.out[i] ==> aliasCheck.in[i]; + } +} + +template Bits2Num(n) { + signal input in[n]; + signal output out; + var lc1=0; + + for (var i = 0; i out; +} + +template Bits2Num_strict() { + signal input in[n]; + signal output out; + + component aliasCheck = AliasCheck(); + component b2n = Bits2Num(254); + + for (var i=0; i<254; i++) { + in[i] ==> b2n.in[i]; + in[i] ==> aliasCheck.in[i]; + } + + b2n.out ==> out; +} + +/* n must not exceed 253 */ +template Num2BitsNeg(n) { + signal input in; + signal output out[n]; + var lc1=0; + + component isZero; + + isZero = IsZero(); + + var neg = n == 0 ? 0 : 2**n - in; + + for (var i = 0; i> i) & 1; + out[i] * (out[i] -1 ) === 0; + lc1 += out[i] * 2**i; + } + + in ==> isZero.in; + + + + lc1 + isZero.out * 2**n === 2**n - in; +} diff --git a/@tornado/circomlib/circuits/comparators.circom b/@tornado/circomlib/circuits/comparators.circom new file mode 100644 index 0000000..3eaa3d8 --- /dev/null +++ b/@tornado/circomlib/circuits/comparators.circom @@ -0,0 +1,139 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "bitify.circom"; +include "binsum.circom"; + +template IsZero() { + signal input in; + signal output out; + + signal inv; + + inv <-- in!=0 ? 1/in : 0; + + out <== -in*inv +1; + in*out === 0; +} + + +template IsEqual() { + signal input in[2]; + signal output out; + + component isz = IsZero(); + + in[1] - in[0] ==> isz.in; + + isz.out ==> out; +} + +template ForceEqualIfEnabled() { + signal input enabled; + signal input in[2]; + + component isz = IsZero(); + + in[1] - in[0] ==> isz.in; + + (1 - isz.out)*enabled === 0; +} + +/* +// N is the number of bits the input have. +// The MSF is the sign bit. +template LessThan(n) { + signal input in[2]; + signal output out; + + component num2Bits0; + component num2Bits1; + + component adder; + + adder = BinSum(n, 2); + + num2Bits0 = Num2Bits(n); + num2Bits1 = Num2BitsNeg(n); + + in[0] ==> num2Bits0.in; + in[1] ==> num2Bits1.in; + + var i; + for (i=0;i adder.in[0][i]; + num2Bits1.out[i] ==> adder.in[1][i]; + } + + adder.out[n-1] ==> out; +} +*/ + +template LessThan(n) { + signal input in[2]; + signal output out; + + component n2b = Num2Bits(n*2+1); + + n2b.in <== in[0]+ (1< out; +} + +// N is the number of bits the input have. +// The MSF is the sign bit. +template GreaterThan(n) { + signal input in[2]; + signal output out; + + component lt = LessThan(n); + + lt.in[0] <== in[1]; + lt.in[1] <== in[0]; + lt.out ==> out; +} + +// N is the number of bits the input have. +// The MSF is the sign bit. +template GreaterEqThan(n) { + signal input in[2]; + signal output out; + + component lt = LessThan(n); + + lt.in[0] <== in[1]; + lt.in[1] <== in[0]+1; + lt.out ==> out; +} + diff --git a/@tornado/circomlib/circuits/compconstant.circom b/@tornado/circomlib/circuits/compconstant.circom new file mode 100644 index 0000000..96a6f1b --- /dev/null +++ b/@tornado/circomlib/circuits/compconstant.circom @@ -0,0 +1,74 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "bitify.circom"; + +// Returns 1 if in (in binary) > ct + +template CompConstant(ct) { + signal input in[254]; + signal output out; + + signal parts[127]; + signal sout; + + var clsb; + var cmsb; + var slsb; + var smsb; + + var sum=0; + + var b = (1 << 128) -1; + var a = 1; + var e = 1; + var i; + + for (i=0;i<127; i++) { + clsb = (ct >> (i*2)) & 1; + cmsb = (ct >> (i*2+1)) & 1; + slsb = in[i*2]; + smsb = in[i*2+1]; + + + if ((cmsb==0)&(clsb==0)) { + parts[i] <== -b*smsb*slsb + b*smsb + b*slsb; + } else if ((cmsb==0)&(clsb==1)) { + parts[i] <== a*smsb*slsb - a*slsb + b*smsb - a*smsb + a; + } else if ((cmsb==1)&(clsb==0)) { + parts[i] <== b*smsb*slsb - a*smsb + a; + } else { + parts[i] <== -a*smsb*slsb + a; + } + + sum = sum + parts[i]; + + b = b -e; + a = a +e; + e = e*2; + } + + sout <== sum; + + component num2bits = Num2Bits(135); + + num2bits.in <== sout; + + out <== num2bits.out[127]; +} diff --git a/@tornado/circomlib/circuits/eddsa.circom b/@tornado/circomlib/circuits/eddsa.circom new file mode 100644 index 0000000..93cfbe6 --- /dev/null +++ b/@tornado/circomlib/circuits/eddsa.circom @@ -0,0 +1,141 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "aliascheck.circom"; +include "pointbits.circom"; +include "pedersen.circom"; +include "escalarmulany.circom"; +include "escalarmulfix.circom"; + +template EdDSAVerifier(n) { + signal input msg[n]; + + signal input A[256]; + signal input R8[256]; + signal input S[256]; + + signal Ax; + signal Ay; + + signal R8x; + signal R8y; + + var i; + +// Ensure S aliasCheck.in[i]; + } + S[251] === 0; + S[252] === 0; + S[253] === 0; + S[254] === 0; + S[255] === 0; + +// Convert A to Field elements (And verify A) + + component bits2pointA = Bits2Point_Strict(); + + for (i=0; i<256; i++) { + bits2pointA.in[i] <== A[i]; + } + Ax <== bits2pointA.out[0]; + Ay <== bits2pointA.out[1]; + +// Convert R8 to Field elements (And verify R8) + + component bits2pointR8 = Bits2Point_Strict(); + + for (i=0; i<256; i++) { + bits2pointR8.in[i] <== R8[i]; + } + R8x <== bits2pointR8.out[0]; + R8y <== bits2pointR8.out[1]; + +// Calculate the h = H(R,A, msg) + + component hash = Pedersen(512+n); + + for (i=0; i<256; i++) { + hash.in[i] <== R8[i]; + hash.in[256+i] <== A[i]; + } + for (i=0; i. +*/ + +include "aliascheck.circom"; +include "pointbits.circom"; +include "mimc.circom"; +include "bitify.circom"; +include "escalarmulany.circom"; +include "escalarmulfix.circom"; + +template EdDSAMiMCVerifier() { + signal input enabled; + signal input Ax; + signal input Ay; + + signal input S; + signal input R8x; + signal input R8y; + + signal input M; + + var i; + +// Ensure S aliasCheck.in[i]; + } + +// Calculate the h = H(R,A, msg) + + component hash = MultiMiMC7(5, 91); + hash.in[0] <== R8x; + hash.in[1] <== R8y; + hash.in[2] <== Ax; + hash.in[3] <== Ay; + hash.in[4] <== M; + hash.k <== 0; + + component h2bits = Num2Bits_strict(); + h2bits.in <== hash.out; + +// Calculate second part of the right side: right2 = h*8*A + + // Multiply by 8 by adding it 3 times. This also ensure that the result is in + // the subgroup. + component dbl1 = BabyDbl(); + dbl1.x <== Ax; + dbl1.y <== Ay; + component dbl2 = BabyDbl(); + dbl2.x <== dbl1.xout; + dbl2.y <== dbl1.yout; + component dbl3 = BabyDbl(); + dbl3.x <== dbl2.xout; + dbl3.y <== dbl2.yout; + + // We check that A is not zero. + component isZero = IsZero(); + isZero.in <== dbl3.x; + isZero.out === 0; + + component mulAny = EscalarMulAny(254); + for (i=0; i<254; i++) { + mulAny.e[i] <== h2bits.out[i]; + } + mulAny.p[0] <== dbl3.xout; + mulAny.p[1] <== dbl3.yout; + + +// Compute the right side: right = R8 + right2 + + component addRight = BabyAdd(); + addRight.x1 <== R8x; + addRight.y1 <== R8y; + addRight.x2 <== mulAny.out[0]; + addRight.y2 <== mulAny.out[1]; + +// Calculate left side of equation left = S*B8 + + var BASE8 = [ + 5299619240641551281634865583518297030282874472190772894086521144482721001553, + 16950150798460657717958625567821834550301663161624707787222815936182638968203 + ]; + component mulFix = EscalarMulFix(251, BASE8); + for (i=0; i<251; i++) { + mulFix.e[i] <== snum2bits.out[i]; + } + +// Do the comparation left == right if enabled; + + component eqCheckX = ForceEqualIfEnabled(); + eqCheckX.enabled <== enabled; + eqCheckX.in[0] <== mulFix.out[0]; + eqCheckX.in[1] <== addRight.xout; + + component eqCheckY = ForceEqualIfEnabled(); + eqCheckY.enabled <== enabled; + eqCheckY.in[0] <== mulFix.out[1]; + eqCheckY.in[1] <== addRight.yout; +} diff --git a/@tornado/circomlib/circuits/eddsamimcsponge.circom b/@tornado/circomlib/circuits/eddsamimcsponge.circom new file mode 100644 index 0000000..ffa22a5 --- /dev/null +++ b/@tornado/circomlib/circuits/eddsamimcsponge.circom @@ -0,0 +1,122 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "aliascheck.circom"; +include "pointbits.circom"; +include "mimcsponge.circom"; +include "bitify.circom"; +include "escalarmulany.circom"; +include "escalarmulfix.circom"; + +template EdDSAMiMCSpongeVerifier() { + signal input enabled; + signal input Ax; + signal input Ay; + + signal input S; + signal input R8x; + signal input R8y; + + signal input M; + + var i; + +// Ensure S aliasCheck.in[i]; + } + +// Calculate the h = H(R,A, msg) + + component hash = MiMCSponge(5, 1); + hash.ins[0] <== R8x; + hash.ins[1] <== R8y; + hash.ins[2] <== Ax; + hash.ins[3] <== Ay; + hash.ins[4] <== M; + hash.k <== 0; + + component h2bits = Num2Bits_strict(); + h2bits.in <== hash.outs[0]; + +// Calculate second part of the right side: right2 = h*8*A + + // Multiply by 8 by adding it 3 times. This also ensure that the result is in + // the subgroup. + component dbl1 = BabyDbl(); + dbl1.x <== Ax; + dbl1.y <== Ay; + component dbl2 = BabyDbl(); + dbl2.x <== dbl1.xout; + dbl2.y <== dbl1.yout; + component dbl3 = BabyDbl(); + dbl3.x <== dbl2.xout; + dbl3.y <== dbl2.yout; + + // We check that A is not zero. + component isZero = IsZero(); + isZero.in <== dbl3.x; + isZero.out === 0; + + component mulAny = EscalarMulAny(254); + for (i=0; i<254; i++) { + mulAny.e[i] <== h2bits.out[i]; + } + mulAny.p[0] <== dbl3.xout; + mulAny.p[1] <== dbl3.yout; + + +// Compute the right side: right = R8 + right2 + + component addRight = BabyAdd(); + addRight.x1 <== R8x; + addRight.y1 <== R8y; + addRight.x2 <== mulAny.out[0]; + addRight.y2 <== mulAny.out[1]; + +// Calculate left side of equation left = S*B8 + + var BASE8 = [ + 5299619240641551281634865583518297030282874472190772894086521144482721001553, + 16950150798460657717958625567821834550301663161624707787222815936182638968203 + ]; + component mulFix = EscalarMulFix(251, BASE8); + for (i=0; i<251; i++) { + mulFix.e[i] <== snum2bits.out[i]; + } + +// Do the comparation left == right if enabled; + + component eqCheckX = ForceEqualIfEnabled(); + eqCheckX.enabled <== enabled; + eqCheckX.in[0] <== mulFix.out[0]; + eqCheckX.in[1] <== addRight.xout; + + component eqCheckY = ForceEqualIfEnabled(); + eqCheckY.enabled <== enabled; + eqCheckY.in[0] <== mulFix.out[1]; + eqCheckY.in[1] <== addRight.yout; +} diff --git a/@tornado/circomlib/circuits/eddsaposeidon.circom b/@tornado/circomlib/circuits/eddsaposeidon.circom new file mode 100644 index 0000000..fb6c782 --- /dev/null +++ b/@tornado/circomlib/circuits/eddsaposeidon.circom @@ -0,0 +1,121 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "compconstant.circom"; +include "poseidon.circom"; +include "bitify.circom"; +include "escalarmulany.circom"; +include "escalarmulfix.circom"; + +template EdDSAPoseidonVerifier() { + signal input enabled; + signal input Ax; + signal input Ay; + + signal input S; + signal input R8x; + signal input R8y; + + signal input M; + + var i; + +// Ensure S aliasCheck.in[i]; + } + +// Calculate the h = H(R,A, msg) + + component hash = Poseidon(5, 6, 8, 57); + + hash.inputs[0] <== R8x; + hash.inputs[1] <== R8y; + hash.inputs[2] <== Ax; + hash.inputs[3] <== Ay; + hash.inputs[4] <== M; + + component h2bits = Num2Bits_strict(); + h2bits.in <== hash.out; + +// Calculate second part of the right side: right2 = h*8*A + + // Multiply by 8 by adding it 3 times. This also ensure that the result is in + // the subgroup. + component dbl1 = BabyDbl(); + dbl1.x <== Ax; + dbl1.y <== Ay; + component dbl2 = BabyDbl(); + dbl2.x <== dbl1.xout; + dbl2.y <== dbl1.yout; + component dbl3 = BabyDbl(); + dbl3.x <== dbl2.xout; + dbl3.y <== dbl2.yout; + + // We check that A is not zero. + component isZero = IsZero(); + isZero.in <== dbl3.x; + isZero.out*enabled === 0; + + component mulAny = EscalarMulAny(254); + for (i=0; i<254; i++) { + mulAny.e[i] <== h2bits.out[i]; + } + mulAny.p[0] <== dbl3.xout; + mulAny.p[1] <== dbl3.yout; + + +// Compute the right side: right = R8 + right2 + + component addRight = BabyAdd(); + addRight.x1 <== R8x; + addRight.y1 <== R8y; + addRight.x2 <== mulAny.out[0]; + addRight.y2 <== mulAny.out[1]; + +// Calculate left side of equation left = S*B8 + + var BASE8 = [ + 5299619240641551281634865583518297030282874472190772894086521144482721001553, + 16950150798460657717958625567821834550301663161624707787222815936182638968203 + ]; + component mulFix = EscalarMulFix(251, BASE8); + for (i=0; i<251; i++) { + mulFix.e[i] <== snum2bits.out[i]; + } + +// Do the comparation left == right if enabled; + + component eqCheckX = ForceEqualIfEnabled(); + eqCheckX.enabled <== enabled; + eqCheckX.in[0] <== mulFix.out[0]; + eqCheckX.in[1] <== addRight.xout; + + component eqCheckY = ForceEqualIfEnabled(); + eqCheckY.enabled <== enabled; + eqCheckY.in[0] <== mulFix.out[1]; + eqCheckY.in[1] <== addRight.yout; +} diff --git a/@tornado/circomlib/circuits/escalarmul.circom b/@tornado/circomlib/circuits/escalarmul.circom new file mode 100644 index 0000000..b3cc806 --- /dev/null +++ b/@tornado/circomlib/circuits/escalarmul.circom @@ -0,0 +1,165 @@ + /* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +/* + + ┏━━━━━━━━━━━┓ + ┃ ┃ + ┃ ┃ + (inx, iny) ══════════════════════════════════════════▶┃ EC Point ┃ + ┃ ╠═▶ (outx, outy) + ╔══▶┃ Adder ┃ + ║ ┃ ┃ + ║ ┃ ┃ + ║ ┃ ┃ + ┏━━━━━━━━━━━┓ ┏━━━━━━━━━━━━┓ ║ ┗━━━━━━━━━━━┛ + ┃ ┃ ┃ ┃ ║ + ┃ ┃ ┃ ┃ ║ + ┃ ╠═══(p0x,p0y)═══▶┃ ┃ ║ + ┃ ╠═══(p1x,p1y)═══▶┃ ┃ ║ + ┃ ╠═══(p2x,p2y)═══▶┃ ┃ ║ + ┃ ╠═══(p3x,p3y)═══▶┃ ┃ ║ + ┃ ╠═══(p4x,p4y)═══▶┃ ┃ ║ + ┃ ╠═══(p5x,p5y)═══▶┃ ┃ ║ + ┃ ╠═══(p6x,p6y)═══▶┃ ┃ ║ + ┃ Constant ╠═══(p7x,p7y)═══▶┃ ┃ ║ + ┃ Points ┃ ┃ Mux4 ╠══╝ + ┃ ╠═══(p8x,p8y)═══▶┃ ┃ + ┃ ╠═══(p9x,p9y)═══▶┃ ┃ + ┃ ╠══(p10x,p10y)══▶┃ ┃ + ┃ ╠══(p11x,p11y)══▶┃ ┃ + ┃ ╠══(p12x,p12y)══▶┃ ┃ + ┃ ╠══(p13x,p13y)══▶┃ ┃ + ┃ ╠══(p14x,p14y)══▶┃ ┃ + ┃ ╠══(p15x,p15y)══▶┃ ┃ + ┃ ┃ ┃ ┃ + ┃ ┃ ┃ ┃ + ┗━━━━━━━━━━━┛ ┗━━━━━━━━━━━━┛ + ▲ ▲ ▲ ▲ + │ │ │ │ + s0 ─────────────────────────────────┘ │ │ │ + s1 ────────────────────────────────────┘ │ │ + s2 ───────────────────────────────────────┘ │ + s3 ──────────────────────────────────────────┘ + + + */ + +include "mux4.circom"; +include "escalarmulw4table.circom"; +include "babyjub.circom"; + +template EscalarMulWindow(base, k) { + + signal input in[2]; + signal input sel[4]; + signal output out[2]; + + var table; + component mux; + component adder; + + var i; + + table = EscalarMulW4Table(base, k); + mux = MultiMux4(2); + adder = BabyAdd(); + + for (i=0; i<4; i++) { + sel[i] ==> mux.s[i]; + } + + for (i=0; i<16; i++) { + mux.c[0][i] <== table[i][0]; + mux.c[1][i] <== table[i][1]; + } + + in[0] ==> adder.x1; + in[1] ==> adder.y1; + + mux.out[0] ==> adder.x2; + mux.out[1] ==> adder.y2; + + adder.xout ==> out[0]; + adder.yout ==> out[1]; +} + +/* + + + ┏━━━━━━━━━┓ ┏━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━━━━━┓ + ┃ ┃ ┃ ┃ ┃ ┃ + inp ════▶┃Window(0)┃═════▶┃Window(1)┃════════ . . . . ═════════▶┃ Window(nBlocks-1) ┃═════▶ out + ┃ ┃ ┃ ┃ ┃ ┃ + ┗━━━━━━━━━┛ ┗━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━━━━━┛ + ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ + in[0]─────────┘ │ │ │ │ │ │ │ │ │ │ │ + in[1]───────────┘ │ │ │ │ │ │ │ │ │ │ + in[2]─────────────┘ │ │ │ │ │ │ │ 0 0 + in[3]───────────────┘ │ │ │ │ │ │ + in[4]──────────────────────────┘ │ │ │ │ │ + in[5]────────────────────────────┘ │ │ │ │ + in[6]──────────────────────────────┘ │ │ │ + in[7]────────────────────────────────┘ │ │ + . │ │ + . │ │ + in[n-2]─────────────────────────────────────────────────────────────────────┘ │ + in[n-1]───────────────────────────────────────────────────────────────────────┘ + + */ + +template EscalarMul(n, base) { + signal input in[n]; + signal input inp[2]; // Point input to be added + signal output out[2]; + + var nBlocks = ((n-1)>>2)+1; + var i; + var j; + + component windows[nBlocks]; + + // Construct the windows + for (i=0; i= n) { + windows[i].sel[j] <== 0; + } else { + windows[i].sel[j] <== in[i*4+j]; + } + } + } + + // Start with generator + windows[0].in[0] <== inp[0]; + windows[0].in[1] <== inp[1]; + + for(i=0; i windows[i+1].in[0]; + windows[i].out[1] ==> windows[i+1].in[1]; + } + + windows[nBlocks-1].out[0] ==> out[0]; + windows[nBlocks-1].out[1] ==> out[1]; +} diff --git a/@tornado/circomlib/circuits/escalarmulany.circom b/@tornado/circomlib/circuits/escalarmulany.circom new file mode 100644 index 0000000..3f6aec4 --- /dev/null +++ b/@tornado/circomlib/circuits/escalarmulany.circom @@ -0,0 +1,196 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "montgomery.circom"; +include "babyjub.circom"; +include "comparators.circom"; + +template Multiplexor2() { + signal input sel; + signal input in[2][2]; + signal output out[2]; + + out[0] <== (in[1][0] - in[0][0])*sel + in[0][0]; + out[1] <== (in[1][1] - in[0][1])*sel + in[0][1]; +} + +template BitElementMulAny() { + signal input sel; + signal input dblIn[2]; + signal input addIn[2]; + signal output dblOut[2]; + signal output addOut[2]; + + component doubler = MontgomeryDouble(); + component adder = MontgomeryAdd(); + component selector = Multiplexor2(); + + + sel ==> selector.sel; + + dblIn[0] ==> doubler.in[0]; + dblIn[1] ==> doubler.in[1]; + doubler.out[0] ==> adder.in1[0]; + doubler.out[1] ==> adder.in1[1]; + addIn[0] ==> adder.in2[0]; + addIn[1] ==> adder.in2[1]; + addIn[0] ==> selector.in[0][0]; + addIn[1] ==> selector.in[0][1]; + adder.out[0] ==> selector.in[1][0]; + adder.out[1] ==> selector.in[1][1]; + + doubler.out[0] ==> dblOut[0]; + doubler.out[1] ==> dblOut[1]; + selector.out[0] ==> addOut[0]; + selector.out[1] ==> addOut[1]; +} + +// p is montgomery point +// n must be <= 248 +// returns out in twisted edwards +// Double is in montgomery to be linked; + +template SegmentMulAny(n) { + signal input e[n]; + signal input p[2]; + signal output out[2]; + signal output dbl[2]; + + component bits[n-1]; + + component e2m = Edwards2Montgomery(); + + p[0] ==> e2m.in[0]; + p[1] ==> e2m.in[1]; + + var i; + + bits[0] = BitElementMulAny(); + e2m.out[0] ==> bits[0].dblIn[0] + e2m.out[1] ==> bits[0].dblIn[1] + e2m.out[0] ==> bits[0].addIn[0] + e2m.out[1] ==> bits[0].addIn[1] + e[1] ==> bits[0].sel; + + for (i=1; i bits[i].dblIn[0] + bits[i-1].dblOut[1] ==> bits[i].dblIn[1] + bits[i-1].addOut[0] ==> bits[i].addIn[0] + bits[i-1].addOut[1] ==> bits[i].addIn[1] + e[i+1] ==> bits[i].sel; + } + + bits[n-2].dblOut[0] ==> dbl[0]; + bits[n-2].dblOut[1] ==> dbl[1]; + + component m2e = Montgomery2Edwards(); + + bits[n-2].addOut[0] ==> m2e.in[0]; + bits[n-2].addOut[1] ==> m2e.in[1]; + + component eadder = BabyAdd(); + + m2e.out[0] ==> eadder.x1; + m2e.out[1] ==> eadder.y1; + -p[0] ==> eadder.x2; + p[1] ==> eadder.y2; + + component lastSel = Multiplexor2(); + + e[0] ==> lastSel.sel; + eadder.xout ==> lastSel.in[0][0]; + eadder.yout ==> lastSel.in[0][1]; + m2e.out[0] ==> lastSel.in[1][0]; + m2e.out[1] ==> lastSel.in[1][1]; + + lastSel.out[0] ==> out[0]; + lastSel.out[1] ==> out[1]; +} + +// This function assumes that p is in the subgroup and it is different to 0 + +template EscalarMulAny(n) { + signal input e[n]; // Input in binary format + signal input p[2]; // Point (Twisted format) + signal output out[2]; // Point (Twisted format) + + var nsegments = (n-1)\148 +1; + var nlastsegment = n - (nsegments-1)*148; + + component segments[nsegments]; + component doublers[nsegments-1]; + component m2e[nsegments-1]; + component adders[nsegments-1]; + component zeropoint = IsZero(); + zeropoint.in <== p[0]; + + var s; + var i; + var nseg; + + for (s=0; s segments[s].e[i]; + } + + if (s==0) { + // force G8 point if input point is zero + segments[s].p[0] <== p[0] + (5299619240641551281634865583518297030282874472190772894086521144482721001553 - p[0])*zeropoint.out; + segments[s].p[1] <== p[1] + (16950150798460657717958625567821834550301663161624707787222815936182638968203 - p[1])*zeropoint.out; + } else { + doublers[s-1] = MontgomeryDouble(); + m2e[s-1] = Montgomery2Edwards(); + adders[s-1] = BabyAdd(); + + segments[s-1].dbl[0] ==> doublers[s-1].in[0]; + segments[s-1].dbl[1] ==> doublers[s-1].in[1]; + + doublers[s-1].out[0] ==> m2e[s-1].in[0]; + doublers[s-1].out[1] ==> m2e[s-1].in[1]; + + m2e[s-1].out[0] ==> segments[s].p[0]; + m2e[s-1].out[1] ==> segments[s].p[1]; + + if (s==1) { + segments[s-1].out[0] ==> adders[s-1].x1; + segments[s-1].out[1] ==> adders[s-1].y1; + } else { + adders[s-2].xout ==> adders[s-1].x1; + adders[s-2].yout ==> adders[s-1].y1; + } + segments[s].out[0] ==> adders[s-1].x2; + segments[s].out[1] ==> adders[s-1].y2; + } + } + + if (nsegments == 1) { + segments[0].out[0]*(1-zeropoint.out) ==> out[0]; + segments[0].out[1]+(1-segments[0].out[1])*zeropoint.out ==> out[1]; + } else { + adders[nsegments-2].xout*(1-zeropoint.out) ==> out[0]; + adders[nsegments-2].yout+(1-adders[nsegments-2].yout)*zeropoint.out ==> out[1]; + } +} diff --git a/@tornado/circomlib/circuits/escalarmulfix.circom b/@tornado/circomlib/circuits/escalarmulfix.circom new file mode 100644 index 0000000..5ea8e09 --- /dev/null +++ b/@tornado/circomlib/circuits/escalarmulfix.circom @@ -0,0 +1,300 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "mux3.circom"; +include "montgomery.circom"; +include "babyjub.circom"; + +/* + Window of 3 elements, it calculates + out = base + base*in[0] + 2*base*in[1] + 4*base*in[2] + out4 = 4*base + + The result should be compensated. + */ + +/* + + The scalar is s = a0 + a1*2^3 + a2*2^6 + ...... + a81*2^243 + First We calculate Q = B + 2^3*B + 2^6*B + ......... + 2^246*B + + Then we calculate S1 = 2*2^246*B + (1 + a0)*B + (2^3 + a1)*B + .....+ (2^243 + a81)*B + + And Finaly we compute the result: RES = SQ - Q + + As you can see the input of the adders cannot be equal nor zero, except for the last + substraction that it's done in montgomery. + + A good way to see it is that the accumulator input of the adder >= 2^247*B and the other input + is the output of the windows that it's going to be <= 2^246*B + */ + /* base must not be the neutral element nor points of small order */ +template WindowMulFix() { + signal input in[3]; + signal input base[2]; + signal output out[2]; + signal output out8[2]; // Returns 8*Base (To be linked) + + component mux = MultiMux3(2); + + mux.s[0] <== in[0]; + mux.s[1] <== in[1]; + mux.s[2] <== in[2]; + + component dbl2 = MontgomeryDouble(); + component adr3 = MontgomeryAdd(); + component adr4 = MontgomeryAdd(); + component adr5 = MontgomeryAdd(); + component adr6 = MontgomeryAdd(); + component adr7 = MontgomeryAdd(); + component adr8 = MontgomeryAdd(); + +// in[0] -> 1*BASE + + mux.c[0][0] <== base[0]; + mux.c[1][0] <== base[1]; + +// in[1] -> 2*BASE + dbl2.in[0] <== base[0]; + dbl2.in[1] <== base[1]; + mux.c[0][1] <== dbl2.out[0]; + mux.c[1][1] <== dbl2.out[1]; + +// in[2] -> 3*BASE + adr3.in1[0] <== base[0]; + adr3.in1[1] <== base[1]; + adr3.in2[0] <== dbl2.out[0]; + adr3.in2[1] <== dbl2.out[1]; + mux.c[0][2] <== adr3.out[0]; + mux.c[1][2] <== adr3.out[1]; + +// in[3] -> 4*BASE + adr4.in1[0] <== base[0]; + adr4.in1[1] <== base[1]; + adr4.in2[0] <== adr3.out[0]; + adr4.in2[1] <== adr3.out[1]; + mux.c[0][3] <== adr4.out[0]; + mux.c[1][3] <== adr4.out[1]; + +// in[4] -> 5*BASE + adr5.in1[0] <== base[0]; + adr5.in1[1] <== base[1]; + adr5.in2[0] <== adr4.out[0]; + adr5.in2[1] <== adr4.out[1]; + mux.c[0][4] <== adr5.out[0]; + mux.c[1][4] <== adr5.out[1]; + +// in[5] -> 6*BASE + adr6.in1[0] <== base[0]; + adr6.in1[1] <== base[1]; + adr6.in2[0] <== adr5.out[0]; + adr6.in2[1] <== adr5.out[1]; + mux.c[0][5] <== adr6.out[0]; + mux.c[1][5] <== adr6.out[1]; + +// in[6] -> 7*BASE + adr7.in1[0] <== base[0]; + adr7.in1[1] <== base[1]; + adr7.in2[0] <== adr6.out[0]; + adr7.in2[1] <== adr6.out[1]; + mux.c[0][6] <== adr7.out[0]; + mux.c[1][6] <== adr7.out[1]; + +// in[7] -> 8*BASE + adr8.in1[0] <== base[0]; + adr8.in1[1] <== base[1]; + adr8.in2[0] <== adr7.out[0]; + adr8.in2[1] <== adr7.out[1]; + mux.c[0][7] <== adr8.out[0]; + mux.c[1][7] <== adr8.out[1]; + + out8[0] <== adr8.out[0]; + out8[1] <== adr8.out[1]; + + out[0] <== mux.out[0]; + out[1] <== mux.out[1]; +} + + +/* + This component does a multiplication of a escalar times a fix base + nWindows must not exceed 82 + Signals: + e: The scalar in bits + base: the base point in edwards format + out: The result + dbl: Point in Montgomery to be linked to the next segment. + */ + +template SegmentMulFix(nWindows) { + signal input e[nWindows*3]; + signal input base[2]; + signal output out[2]; + signal output dbl[2]; + + var i; + var j; + + // Convert the base to montgomery + + component e2m = Edwards2Montgomery(); + e2m.in[0] <== base[0]; + e2m.in[1] <== base[1]; + + component windows[nWindows]; + component adders[nWindows]; + component cadders[nWindows]; + + // In the last step we add an extra doubler so that numbers do not match. + component dblLast = MontgomeryDouble(); + + for (i=0; i out[0]; + cAdd.yout ==> out[1]; + + windows[nWindows-1].out8[0] ==> dbl[0]; + windows[nWindows-1].out8[1] ==> dbl[1]; +} + + +/* +This component multiplies a escalar times a fixed point BASE (twisted edwards format) + Signals + e: The escalar in binary format + out: The output point in twisted edwards + */ +template EscalarMulFix(n, BASE) { + signal input e[n]; // Input in binary format + signal output out[2]; // Point (Twisted format) + + var nsegments = (n-1)\246 +1; // 249 probably would work. But I'm not sure and for security I keep 246 + var nlastsegment = n - (nsegments-1)*246; + + component segments[nsegments]; + + component m2e[nsegments-1]; + component adders[nsegments-1]; + + var s; + var i; + var nseg; + var nWindows; + + for (s=0; s m2e[s-1].in[0]; + segments[s-1].dbl[1] ==> m2e[s-1].in[1]; + + m2e[s-1].out[0] ==> segments[s].base[0]; + m2e[s-1].out[1] ==> segments[s].base[1]; + + if (s==1) { + segments[s-1].out[0] ==> adders[s-1].x1; + segments[s-1].out[1] ==> adders[s-1].y1; + } else { + adders[s-2].xout ==> adders[s-1].x1; + adders[s-2].yout ==> adders[s-1].y1; + } + segments[s].out[0] ==> adders[s-1].x2; + segments[s].out[1] ==> adders[s-1].y2; + } + } + + if (nsegments == 1) { + segments[0].out[0] ==> out[0]; + segments[0].out[1] ==> out[1]; + } else { + adders[nsegments-2].xout ==> out[0]; + adders[nsegments-2].yout ==> out[1]; + } +} diff --git a/@tornado/circomlib/circuits/escalarmulw4table.circom b/@tornado/circomlib/circuits/escalarmulw4table.circom new file mode 100644 index 0000000..d056e66 --- /dev/null +++ b/@tornado/circomlib/circuits/escalarmulw4table.circom @@ -0,0 +1,51 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +function pointAdd(x1,y1,x2,y2) { + var a = 168700; + var d = 168696; + + var res[2]; + res[0] = (x1*y2 + y1*x2) / (1 + d*x1*x2*y1*y2); + res[1] = (y1*y2 - a*x1*x2) / (1 - d*x1*x2*y1*y2); + return res; +} + +function EscalarMulW4Table(base, k) { + var out[16][2]; + + var i; + var p[2]; + + var dbl = base; + + for (i=0; i. +*/ + +template XOR() { + signal input a; + signal input b; + signal output out; + + out <== a + b - 2*a*b; +} + +template AND() { + signal input a; + signal input b; + signal output out; + + out <== a*b; +} + +template OR() { + signal input a; + signal input b; + signal output out; + + out <== a + b - a*b; +} + +template NOT() { + signal input in; + signal output out; + + out <== 1 + in - 2*in; +} + +template NAND() { + signal input a; + signal input b; + signal output out; + + out <== 1 - a*b; +} + +template NOR() { + signal input a; + signal input b; + signal output out; + + out <== a*b + 1 - a - b; +} + +template MultiAND(n) { + signal input in[n]; + signal output out; + if (n==1) { + out <== in[0]; + } else if (n==2) { + component and1 = AND(); + and1.a <== in[0]; + and1.b <== in[1]; + out <== and1.out; + } else { + component and2 = AND(); + component ands[2]; + var n1 = n\2; + var n2 = n-n\2; + ands[0] = MultiAND(n1); + ands[1] = MultiAND(n2); + for (var i=0; i. +*/ + +template MiMC7(nrounds) { + signal input x_in; + signal input k; + signal output out; + + var c = [ + 0, + 20888961410941983456478427210666206549300505294776164667214940546594746570981, + 15265126113435022738560151911929040668591755459209400716467504685752745317193, + 8334177627492981984476504167502758309043212251641796197711684499645635709656, + 1374324219480165500871639364801692115397519265181803854177629327624133579404, + 11442588683664344394633565859260176446561886575962616332903193988751292992472, + 2558901189096558760448896669327086721003508630712968559048179091037845349145, + 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t2[nrounds]; + signal t4[nrounds]; + signal t6[nrounds]; + signal t7[nrounds-1]; + + for (var i=0; i nRounds should be 220 +template MiMCSponge(nInputs, nOutputs) { + signal input ins[nInputs]; + signal input k; + signal output outs[nOutputs]; + + var nRounds = 220; + + // S = R||C + component S[nInputs + nOutputs - 1]; + + for (var i = 0; i < nInputs; i++) { + S[i] = MiMCFeistel(nRounds); + S[i].k <== k; + if (i == 0) { + S[i].xL_in <== ins[0]; + S[i].xR_in <== 0; + } else { + S[i].xL_in <== S[i-1].xL_out + ins[i]; + S[i].xR_in <== S[i-1].xR_out; + } + } + + outs[0] <== S[nInputs - 1].xL_out; + + for (var i = 0; i < nOutputs - 1; i++) { + S[nInputs + i] = MiMCFeistel(nRounds); + S[nInputs + i].k <== k; + S[nInputs + i].xL_in <== S[nInputs + i - 1].xL_out; + S[nInputs + i].xR_in <== S[nInputs + i - 1].xR_out; + outs[i + 1] <== S[nInputs + i].xL_out; + } +} + +template MiMCFeistel(nrounds) { + signal input xL_in; + signal input xR_in; + signal input k; + signal output xL_out; + signal output xR_out; + + // doesn't contain the first and last round constants, which are always zero + var c_partial = [ + 7120861356467848435263064379192047478074060781135320967663101236819528304084, + 5024705281721889198577876690145313457398658950011302225525409148828000436681, + 17980351014018068290387269214713820287804403312720763401943303895585469787384, + 19886576439381707240399940949310933992335779767309383709787331470398675714258, + 1213715278223786725806155661738676903520350859678319590331207960381534602599, + 18162138253399958831050545255414688239130588254891200470934232514682584734511, + 7667462281466170157858259197976388676420847047604921256361474169980037581876, + 7207551498477838452286210989212982851118089401128156132319807392460388436957, + 9864183311657946807255900203841777810810224615118629957816193727554621093838, + 4798196928559910300796064665904583125427459076060519468052008159779219347957, + 17387238494588145257484818061490088963673275521250153686214197573695921400950, 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274945154732293792784580363548970818611304339008964723447672490026510689427, + 11050822248291117548220126630860474473945266276626263036056336623671308219529, + 2119542016932434047340813757208803962484943912710204325088879681995922344971 + ]; + + var t; + signal t2[nrounds]; + signal t4[nrounds]; + signal xL[nrounds-1]; + signal xR[nrounds-1]; + + var c; + for (var i=0; i. +*/ + +/* + Source: https://en.wikipedia.org/wiki/Montgomery_curve + + 1 + y 1 + y + [u, v] = [ ------- , ---------- ] + 1 - y (1 - y)x + + */ + +template Edwards2Montgomery() { + signal input in[2]; + signal output out[2]; + + out[0] <-- (1 + in[1]) / (1 - in[1]); + out[1] <-- out[0] / in[0]; + + + out[0] * (1-in[1]) === (1 + in[1]); + out[1] * in[0] === out[0]; +} + +/* + + u u - 1 + [x, y] = [ ---, ------- ] + v u + 1 + + */ +template Montgomery2Edwards() { + signal input in[2]; + signal output out[2]; + + out[0] <-- in[0] / in[1]; + out[1] <-- (in[0] - 1) / (in[0] + 1); + + out[0] * in[1] === in[0]; + out[1] * (in[0] + 1) === in[0] - 1; +} + + +/* + x2 - x1 + lamda = --------- + y2 - y1 + + x3 + A + x1 + x2 + x3 = B * lamda^2 - A - x1 -x2 => lamda^2 = ------------------ + B + + y3 = (2*x1 + x2 + A)*lamda - B*lamda^3 - y1 => + + + => y3 = lamda * ( 2*x1 + x2 + A - x3 - A - x1 - x2) - y1 => + + => y3 = lamda * ( x1 - x3 ) - y1 + +---------- + + y2 - y1 + lamda = --------- + x2 - x1 + + x3 = B * lamda^2 - A - x1 -x2 + + y3 = lamda * ( x1 - x3 ) - y1 + + */ + +/* in1 must be != in2 */ +template MontgomeryAdd() { + signal input in1[2]; + signal input in2[2]; + signal output out[2]; + + var a = 168700; + var d = 168696; + + var A = (2 * (a + d)) / (a - d); + var B = 4 / (a - d); + + signal lamda; + + lamda <-- (in2[1] - in1[1]) / (in2[0] - in1[0]); + lamda * (in2[0] - in1[0]) === (in2[1] - in1[1]); + + out[0] <== B*lamda*lamda - A - in1[0] -in2[0]; + out[1] <== lamda * (in1[0] - out[0]) - in1[1]; +} + +/* + + x1_2 = x1*x1 + + 3*x1_2 + 2*A*x1 + 1 + lamda = --------------------- + 2*B*y1 + + x3 = B * lamda^2 - A - x1 -x1 + + y3 = lamda * ( x1 - x3 ) - y1 + + */ +template MontgomeryDouble() { + signal input in[2]; + signal output out[2]; + + var a = 168700; + var d = 168696; + + var A = (2 * (a + d)) / (a - d); + var B = 4 / (a - d); + + signal lamda; + signal x1_2; + + x1_2 <== in[0] * in[0]; + + lamda <-- (3*x1_2 + 2*A*in[0] + 1 ) / (2*B*in[1]); + lamda * (2*B*in[1]) === (3*x1_2 + 2*A*in[0] + 1 ); + + out[0] <== B*lamda*lamda - A - 2*in[0]; + out[1] <== lamda * (in[0] - out[0]) - in[1]; +} diff --git a/@tornado/circomlib/circuits/multiplexer.circom b/@tornado/circomlib/circuits/multiplexer.circom new file mode 100644 index 0000000..091bd2b --- /dev/null +++ b/@tornado/circomlib/circuits/multiplexer.circom @@ -0,0 +1,113 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +// --> Assignation without constraint +// <-- Assignation without constraint +// === Constraint +// <== Assignation with constraint +// ==> Assignation with constraint +// All variables are members of the field F[p] +// https://github.com/zcash-hackworks/sapling-crypto +// https://github.com/ebfull/bellman + +/* +function log2(a) { + if (a==0) { + return 0; + } + let n = 1; + let r = 1; + while (n success; + success * (success -1) === 0; +} + + +template Multiplexer(wIn, nIn) { + signal input inp[nIn][wIn]; + signal input sel; + signal output out[wIn]; + component dec = Decoder(nIn); + component ep[wIn]; + + for (var k=0; k dec.inp; + for (var j=0; j ep[j].in1[k]; + dec.out[k] ==> ep[j].in2[k]; + } + ep[j].out ==> out[j]; + } + dec.success === 1; +} diff --git a/@tornado/circomlib/circuits/mux1.circom b/@tornado/circomlib/circuits/mux1.circom new file mode 100644 index 0000000..3473c6c --- /dev/null +++ b/@tornado/circomlib/circuits/mux1.circom @@ -0,0 +1,47 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +template MultiMux1(n) { + signal input c[n][2]; // Constants + signal input s; // Selector + signal output out[n]; + + for (var i=0; i mux.s; + + mux.out[0] ==> out; +} diff --git a/@tornado/circomlib/circuits/mux2.circom b/@tornado/circomlib/circuits/mux2.circom new file mode 100644 index 0000000..1e71cf7 --- /dev/null +++ b/@tornado/circomlib/circuits/mux2.circom @@ -0,0 +1,62 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +template MultiMux2(n) { + signal input c[n][4]; // Constants + signal input s[2]; // Selector + signal output out[n]; + + signal a10[n]; + signal a1[n]; + signal a0[n]; + signal a[n]; + + signal s10; + s10 <== s[1] * s[0]; + + for (var i=0; i mux.s[i]; + } + + mux.out[0] ==> out; +} diff --git a/@tornado/circomlib/circuits/mux3.circom b/@tornado/circomlib/circuits/mux3.circom new file mode 100644 index 0000000..277ead2 --- /dev/null +++ b/@tornado/circomlib/circuits/mux3.circom @@ -0,0 +1,74 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +template MultiMux3(n) { + signal input c[n][8]; // Constants + signal input s[3]; // Selector + signal output out[n]; + + signal a210[n]; + signal a21[n]; + signal a20[n]; + signal a2[n]; + + signal a10[n]; + signal a1[n]; + signal a0[n]; + signal a[n]; + + // 4 constrains for the intermediary variables + signal s10; + s10 <== s[1] * s[0]; + + for (var i=0; i mux.s[i]; + } + + mux.out[0] ==> out; +} diff --git a/@tornado/circomlib/circuits/mux4.circom b/@tornado/circomlib/circuits/mux4.circom new file mode 100644 index 0000000..c30bb94 --- /dev/null +++ b/@tornado/circomlib/circuits/mux4.circom @@ -0,0 +1,118 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +template MultiMux4(n) { + signal input c[n][16]; // Constants + signal input s[4]; // Selector + signal output out[n]; + + signal a3210[n]; + signal a321[n]; + signal a320[n]; + signal a310[n]; + signal a32[n]; + signal a31[n]; + signal a30[n]; + signal a3[n]; + + signal a210[n]; + signal a21[n]; + signal a20[n]; + signal a10[n]; + signal a2[n]; + signal a1[n]; + signal a0[n]; + signal a[n]; + + // 4 constrains for the intermediary variables + signal s10; + s10 <== s[1] * s[0]; + signal s20; + s20 <== s[2] * s[0]; + signal s21; + s21 <== s[2] * s[1]; + signal s210; + s210 <== s21 * s[0]; + + + for (var i=0; i mux.s[i]; + } + + mux.out[0] ==> out; +} diff --git a/@tornado/circomlib/circuits/pedersen.circom b/@tornado/circomlib/circuits/pedersen.circom new file mode 100644 index 0000000..aca0d09 --- /dev/null +++ b/@tornado/circomlib/circuits/pedersen.circom @@ -0,0 +1,256 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "montgomery.circom"; +include "mux3.circom"; +include "babyjub.circom"; + +template Window4() { + signal input in[4]; + signal input base[2]; + signal output out[2]; + signal output out8[2]; // Returns 8*Base (To be linked) + + component mux = MultiMux3(2); + + mux.s[0] <== in[0]; + mux.s[1] <== in[1]; + mux.s[2] <== in[2]; + + component dbl2 = MontgomeryDouble(); + component adr3 = MontgomeryAdd(); + component adr4 = MontgomeryAdd(); + component adr5 = MontgomeryAdd(); + component adr6 = MontgomeryAdd(); + component adr7 = MontgomeryAdd(); + component adr8 = MontgomeryAdd(); + +// in[0] -> 1*BASE + + mux.c[0][0] <== base[0]; + mux.c[1][0] <== base[1]; + +// in[1] -> 2*BASE + dbl2.in[0] <== base[0]; + dbl2.in[1] <== base[1]; + mux.c[0][1] <== dbl2.out[0]; + mux.c[1][1] <== dbl2.out[1]; + +// in[2] -> 3*BASE + adr3.in1[0] <== base[0]; + adr3.in1[1] <== base[1]; + adr3.in2[0] <== dbl2.out[0]; + adr3.in2[1] <== dbl2.out[1]; + mux.c[0][2] <== adr3.out[0]; + mux.c[1][2] <== adr3.out[1]; + +// in[3] -> 4*BASE + adr4.in1[0] <== base[0]; + adr4.in1[1] <== base[1]; + adr4.in2[0] <== adr3.out[0]; + adr4.in2[1] <== adr3.out[1]; + mux.c[0][3] <== adr4.out[0]; + mux.c[1][3] <== adr4.out[1]; + +// in[4] -> 5*BASE + adr5.in1[0] <== base[0]; + adr5.in1[1] <== base[1]; + adr5.in2[0] <== adr4.out[0]; + adr5.in2[1] <== adr4.out[1]; + mux.c[0][4] <== adr5.out[0]; + mux.c[1][4] <== adr5.out[1]; + +// in[5] -> 6*BASE + adr6.in1[0] <== base[0]; + adr6.in1[1] <== base[1]; + adr6.in2[0] <== adr5.out[0]; + adr6.in2[1] <== adr5.out[1]; + mux.c[0][5] <== adr6.out[0]; + mux.c[1][5] <== adr6.out[1]; + +// in[6] -> 7*BASE + adr7.in1[0] <== base[0]; + adr7.in1[1] <== base[1]; + adr7.in2[0] <== adr6.out[0]; + adr7.in2[1] <== adr6.out[1]; + mux.c[0][6] <== adr7.out[0]; + mux.c[1][6] <== adr7.out[1]; + +// in[7] -> 8*BASE + adr8.in1[0] <== base[0]; + adr8.in1[1] <== base[1]; + adr8.in2[0] <== adr7.out[0]; + adr8.in2[1] <== adr7.out[1]; + mux.c[0][7] <== adr8.out[0]; + mux.c[1][7] <== adr8.out[1]; + + out8[0] <== adr8.out[0]; + out8[1] <== adr8.out[1]; + + out[0] <== mux.out[0]; + out[1] <== - mux.out[1]*2*in[3] + mux.out[1]; // Negate y if in[3] is one +} + + +/* nWindows must not exceed 50 */ +template Segment(nWindows) { + signal input in[nWindows*4]; + signal input base[2]; + signal output out[2]; + + var i; + var j; + + // Convert the base to montgomery + + component e2m = Edwards2Montgomery(); + e2m.in[0] <== base[0]; + e2m.in[1] <== base[1]; + + component windows[nWindows]; + component doublers1[nWindows-1]; + component doublers2[nWindows-1]; + component adders[nWindows-1]; + for (i=0; i 1) { + m2e.in[0] <== adders[nWindows-2].out[0]; + m2e.in[1] <== adders[nWindows-2].out[1]; + } else { + m2e.in[0] <== windows[0].out[0]; + m2e.in[1] <== windows[0].out[1]; + } + + out[0] <== m2e.out[0]; + out[1] <== m2e.out[1]; +} + +template Pedersen(n) { + signal input in[n]; + signal output out[2]; + + var BASE = [ + [10457101036533406547632367118273992217979173478358440826365724437999023779287,19824078218392094440610104313265183977899662750282163392862422243483260492317], + [2671756056509184035029146175565761955751135805354291559563293617232983272177,2663205510731142763556352975002641716101654201788071096152948830924149045094], + [5802099305472655231388284418920769829666717045250560929368476121199858275951,5980429700218124965372158798884772646841287887664001482443826541541529227896], + [7107336197374528537877327281242680114152313102022415488494307685842428166594,2857869773864086953506483169737724679646433914307247183624878062391496185654], + [20265828622013100949498132415626198973119240347465898028410217039057588424236,1160461593266035632937973507065134938065359936056410650153315956301179689506], + [1487999857809287756929114517587739322941449154962237464737694709326309567994,14017256862867289575056460215526364897734808720610101650676790868051368668003], + [14618644331049802168996997831720384953259095788558646464435263343433563860015,13115243279999696210147231297848654998887864576952244320558158620692603342236], + [6814338563135591367010655964669793483652536871717891893032616415581401894627,13660303521961041205824633772157003587453809761793065294055279768121314853695], + [3571615583211663069428808372184817973703476260057504149923239576077102575715,11981351099832644138306422070127357074117642951423551606012551622164230222506], + [18597552580465440374022635246985743886550544261632147935254624835147509493269,6753322320275422086923032033899357299485124665258735666995435957890214041481] + ] + + var nSegments = ((n-1)\200)+1; + + component segments[nSegments]; + + var i; + var j; + var nBits; + var nWindows; + for (i=0; i1) { + packPoint.in[0] <== adders[nSegments-2].xout; + packPoint.in[1] <== adders[nSegments-2].yout; + } else { + packPoint.in[0] <== segments[0].out[0]; + packPoint.in[1] <== segments[0].out[1]; + } + + out[0] <== packPoint.out[0]; + out[1] <== packPoint.out[1]; +*/ + + if (nSegments>1) { + out[0] <== adders[nSegments-2].xout; + out[1] <== adders[nSegments-2].yout; + } else { + out[0] <== segments[0].out[0]; + out[1] <== segments[0].out[1]; + } +} + diff --git a/@tornado/circomlib/circuits/pedersen_old.circom b/@tornado/circomlib/circuits/pedersen_old.circom new file mode 100644 index 0000000..35d23a5 --- /dev/null +++ b/@tornado/circomlib/circuits/pedersen_old.circom @@ -0,0 +1,66 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "escalarmul.circom"; + +template Pedersen(n) { + signal input in[n]; + signal output out[2]; + + var nexps = ((n-1) \ 250) + 1; + var nlastbits = n - (nexps-1)*250; + + component escalarMuls[nexps]; + + var PBASE = [ + [10457101036533406547632367118273992217979173478358440826365724437999023779287,19824078218392094440610104313265183977899662750282163392862422243483260492317], + [2671756056509184035029146175565761955751135805354291559563293617232983272177,2663205510731142763556352975002641716101654201788071096152948830924149045094], + [5802099305472655231388284418920769829666717045250560929368476121199858275951,5980429700218124965372158798884772646841287887664001482443826541541529227896], + [7107336197374528537877327281242680114152313102022415488494307685842428166594,2857869773864086953506483169737724679646433914307247183624878062391496185654], + [20265828622013100949498132415626198973119240347465898028410217039057588424236,1160461593266035632937973507065134938065359936056410650153315956301179689506], + [1487999857809287756929114517587739322941449154962237464737694709326309567994,14017256862867289575056460215526364897734808720610101650676790868051368668003], + [14618644331049802168996997831720384953259095788558646464435263343433563860015,13115243279999696210147231297848654998887864576952244320558158620692603342236], + [6814338563135591367010655964669793483652536871717891893032616415581401894627,13660303521961041205824633772157003587453809761793065294055279768121314853695], + [3571615583211663069428808372184817973703476260057504149923239576077102575715,11981351099832644138306422070127357074117642951423551606012551622164230222506], + [18597552580465440374022635246985743886550544261632147935254624835147509493269,6753322320275422086923032033899357299485124665258735666995435957890214041481] + ]; + + var i; + var j; + var nexpbits; + for (i=0; i out[0]; + escalarMuls[nexps-1].out[1] ==> out[1]; +} diff --git a/@tornado/circomlib/circuits/pointbits.circom b/@tornado/circomlib/circuits/pointbits.circom new file mode 100644 index 0000000..ec4d2e7 --- /dev/null +++ b/@tornado/circomlib/circuits/pointbits.circom @@ -0,0 +1,163 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "bitify.circom"; +include "aliascheck.circom"; +include "compconstant.circom"; +include "babyjub.circom"; + + +function sqrt(n) { + + if (n == 0) { + return 0; + } + + // Test that have solution + var res = n ** ((-1) >> 1); +// if (res!=1) assert(false, "SQRT does not exists"); + if (res!=1) return 0; + + var m = 28; + var c = 19103219067921713944291392827692070036145651957329286315305642004821462161904; + var t = n ** 81540058820840996586704275553141814055101440848469862132140264610111; + var r = n ** ((81540058820840996586704275553141814055101440848469862132140264610111+1)>>1); + var sq; + var i; + var b; + var j; + + while ((r != 0)&&(t != 1)) { + sq = t*t; + i = 1; + while (sq!=1) { + i++; + sq = sq*sq; + } + + // b = c ^ m-i-1 + b = c; + for (j=0; j< m-i-1; j ++) b = b*b; + + m = i; + c = b*b; + t = t*c; + r = r*b; + } + + if (r > ((-1) >> 1)) { + r = -r; + } + + return r; +} + + +template Bits2Point() { + signal input in[256]; + signal output out[2]; +} + +template Bits2Point_Strict() { + signal input in[256]; + signal output out[2]; + + var i; + + // Check aliasing + component aliasCheckY = AliasCheck(); + for (i=0; i<254; i++) { + aliasCheckY.in[i] <== in[i]; + } + in[254] === 0; + + component b2nY = Bits2Num(254); + for (i=0; i<254; i++) { + b2nY.in[i] <== in[i]; + } + + out[1] <== b2nY.out; + + var a = 168700; + var d = 168696; + + var y2 = out[1] * out[1]; + + var x = sqrt( (1-y2)/(a - d*y2) ); + + if (in[255] == 1) x = -x; + + out[0] <-- x; + + component babyCheck = BabyCheck(); + babyCheck.x <== out[0]; + babyCheck.y <== out[1]; + + component n2bX = Num2Bits(254); + n2bX.in <== out[0]; + component aliasCheckX = AliasCheck(); + for (i=0; i<254; i++) { + aliasCheckX.in[i] <== n2bX.out[i]; + } + + component signCalc = CompConstant(10944121435919637611123202872628637544274182200208017171849102093287904247808); + for (i=0; i<254; i++) { + signCalc.in[i] <== n2bX.out[i]; + } + + signCalc.out === in[255]; +} + + +template Point2Bits() { + signal input in[2]; + signal output out[256]; + + +} + +template Point2Bits_Strict() { + signal input in[2]; + signal output out[256]; + + var i; + + component n2bX = Num2Bits(254); + n2bX.in <== in[0]; + component n2bY = Num2Bits(254); + n2bY.in <== in[1]; + + component aliasCheckX = AliasCheck(); + component aliasCheckY = AliasCheck(); + for (i=0; i<254; i++) { + aliasCheckX.in[i] <== n2bX.out[i]; + aliasCheckY.in[i] <== n2bY.out[i]; + } + + component signCalc = CompConstant(10944121435919637611123202872628637544274182200208017171849102093287904247808); + for (i=0; i<254; i++) { + signCalc.in[i] <== n2bX.out[i]; + } + + for (i=0; i<254; i++) { + out[i] <== n2bY.out[i]; + } + out[254] <== 0; + out[255] <== signCalc.out; +} diff --git a/@tornado/circomlib/circuits/poseidon.circom b/@tornado/circomlib/circuits/poseidon.circom new file mode 100644 index 0000000..dad6806 --- /dev/null +++ b/@tornado/circomlib/circuits/poseidon.circom @@ -0,0 +1,203 @@ + +template Sigma() { + signal input in; + signal output out; + + signal in2; + signal in4; + + in2 <== in*in; + in4 <== in2*in2; + + out <== in4*in; +} + +template Ark(t, C) { + signal input in[t]; + signal output out[t]; + for (var i=0; i= (nRoundsP + nRoundsF/2))) { + k= i. +*/ + +/* Ch + +000 0 +001 1 +010 0 +011 1 +100 0 +101 0 +110 1 +111 1 + +out = a&b ^ (!a)&c => + +out = a*(b-c) + c + +*/ + +template Ch(n) { + signal input a[n]; + signal input b[n]; + signal input c[n]; + signal output out[n]; + + for (var k=0; k. +*/ + +template H(x) { + signal output out[32]; + var c = [0x6a09e667, + 0xbb67ae85, + 0x3c6ef372, + 0xa54ff53a, + 0x510e527f, + 0x9b05688c, + 0x1f83d9ab, + 0x5be0cd19]; + + for (var i=0; i<32; i++) { + out[i] <== (c[x] >> i) & 1; + } +} + +template K(x) { + signal output out[32]; + var c = [ + 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, + 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, + 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, + 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, + 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, + 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, + 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, + 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 + ]; + + for (var i=0; i<32; i++) { + out[i] <== (c[x] >> i) & 1; + } +} diff --git a/@tornado/circomlib/circuits/sha256/main.circom b/@tornado/circomlib/circuits/sha256/main.circom new file mode 100644 index 0000000..fbf2434 --- /dev/null +++ b/@tornado/circomlib/circuits/sha256/main.circom @@ -0,0 +1,34 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "sha256_2.jaz"; + +template Main() { + signal private input a; + signal private input b; + signal output out; + + component sha256_2 = SHA256_2(); + + sha256_2.a <== a; + sha256_2.b <== a; + out <== sha256_2.out; +} + +component main = Main(); diff --git a/@tornado/circomlib/circuits/sha256/maj.circom b/@tornado/circomlib/circuits/sha256/maj.circom new file mode 100644 index 0000000..ee53687 --- /dev/null +++ b/@tornado/circomlib/circuits/sha256/maj.circom @@ -0,0 +1,44 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +/* Maj function for sha256 + +out = a&b ^ a&c ^ b&c => + +out = a*b + a*c + b*c - 2*a*b*c => + +out = a*( b + c - 2*b*c ) + b*c => + +mid = b*c +out = a*( b + c - 2*mid ) + mid + +*/ + +template Maj(n) { + signal input a[n]; + signal input b[n]; + signal input c[n]; + signal output out[n]; + signal mid[n]; + + for (var k=0; k. +*/ + +template RotR(n, r) { + signal input in[n]; + signal output out[n]; + + for (var i=0; i> k)&1; + } + + component ha0 = H(0); + component hb0 = H(1); + component hc0 = H(2); + component hd0 = H(3); + component he0 = H(4); + component hf0 = H(5); + component hg0 = H(6); + component hh0 = H(7); + + component sha256compression[nBlocks]; + + for (i=0; i. +*/ + +include "constants.circom"; +include "sha256compression.circom"; +include "../bitify.circom" + +template Sha256_2() { + signal input a; + signal input b; + signal output out; + + var i; + var k; + + component bits2num = Bits2Num(216); + component num2bits[2]; + + num2bits[0] = Num2Bits(216); + num2bits[1] = Num2Bits(216); + + num2bits[0].in <== a; + num2bits[1].in <== b; + + + component sha256compression = Sha256compression() ; + + component ha0 = H(0); + component hb0 = H(1); + component hc0 = H(2); + component hd0 = H(3); + component he0 = H(4); + component hf0 = H(5); + component hg0 = H(6); + component hh0 = H(7); + + for (k=0; k<32; k++ ) { + sha256compression.hin[0*32+k] <== ha0.out[k]; + sha256compression.hin[1*32+k] <== hb0.out[k]; + sha256compression.hin[2*32+k] <== hc0.out[k]; + sha256compression.hin[3*32+k] <== hd0.out[k]; + sha256compression.hin[4*32+k] <== he0.out[k]; + sha256compression.hin[5*32+k] <== hf0.out[k]; + sha256compression.hin[6*32+k] <== hg0.out[k]; + sha256compression.hin[7*32+k] <== hh0.out[k]; + } + + for (i=0; i<216; i++) { + sha256compression.inp[i] <== num2bits[0].out[215-i]; + sha256compression.inp[i+216] <== num2bits[1].out[215-i]; + } + + sha256compression.inp[432] <== 1; + + for (i=433; i<503; i++) { + sha256compression.inp[i] <== 0; + } + + sha256compression.inp[503] <== 1; + sha256compression.inp[504] <== 1; + sha256compression.inp[505] <== 0; + sha256compression.inp[506] <== 1; + sha256compression.inp[507] <== 1; + sha256compression.inp[508] <== 0; + sha256compression.inp[509] <== 0; + sha256compression.inp[510] <== 0; + sha256compression.inp[511] <== 0; + + for (i=0; i<216; i++) { + bits2num.in[i] <== sha256compression.out[255-i]; + } + + out <== bits2num.out; +} diff --git a/@tornado/circomlib/circuits/sha256/sha256compression.circom b/@tornado/circomlib/circuits/sha256/sha256compression.circom new file mode 100644 index 0000000..4ec62dc --- /dev/null +++ b/@tornado/circomlib/circuits/sha256/sha256compression.circom @@ -0,0 +1,156 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "constants.circom"; +include "t1.circom"; +include "t2.circom"; +include "../binsum.circom"; +include "sigmaplus.circom"; + +template Sha256compression() { + signal input hin[256]; + signal input inp[512]; + signal output out[256]; + signal a[65][32]; + signal b[65][32]; + signal c[65][32]; + signal d[65][32]; + signal e[65][32]; + signal f[65][32]; + signal g[65][32]; + signal h[65][32]; + signal w[64][32]; + + var i; + + component sigmaPlus[48]; + for (i=0; i<48; i++) sigmaPlus[i] = SigmaPlus(); + + component ct_k[64]; + for (i=0; i<64; i++) ct_k[i] = K(i); + + component t1[64]; + for (i=0; i<64; i++) t1[i] = T1(); + + component t2[64]; + for (i=0; i<64; i++) t2[i] = T2(); + + component suma[64]; + for (i=0; i<64; i++) suma[i] = BinSum(32, 2); + + component sume[64]; + for (i=0; i<64; i++) sume[i] = BinSum(32, 2); + + component fsum[8]; + for (i=0; i<8; i++) fsum[i] = BinSum(32, 2); + + var k; + var t; + + for (t=0; t<64; t++) { + if (t<16) { + for (k=0; k<32; k++) { + w[t][k] <== inp[t*32+31-k]; + } + } else { + for (k=0; k<32; k++) { + sigmaPlus[t-16].in2[k] <== w[t-2][k]; + sigmaPlus[t-16].in7[k] <== w[t-7][k]; + sigmaPlus[t-16].in15[k] <== w[t-15][k]; + sigmaPlus[t-16].in16[k] <== w[t-16][k]; + w[t][k] <== sigmaPlus[t-16].out[k]; + } + } + } + + for (k=0; k<32; k++ ) { + a[0][k] <== hin[k]; + b[0][k] <== hin[32*1 + k]; + c[0][k] <== hin[32*2 + k]; + d[0][k] <== hin[32*3 + k]; + e[0][k] <== hin[32*4 + k]; + f[0][k] <== hin[32*5 + k]; + g[0][k] <== hin[32*6 + k]; + h[0][k] <== hin[32*7 + k]; + } + + for (t = 0; t<64; t++) { + for (k=0; k<32; k++) { + t1[t].h[k] <== h[t][k]; + t1[t].e[k] <== e[t][k]; + t1[t].f[k] <== f[t][k]; + t1[t].g[k] <== g[t][k]; + t1[t].k[k] <== ct_k[t].out[k]; + t1[t].w[k] <== w[t][k]; + + t2[t].a[k] <== a[t][k]; + t2[t].b[k] <== b[t][k]; + t2[t].c[k] <== c[t][k]; + } + + for (k=0; k<32; k++) { + sume[t].in[0][k] <== d[t][k]; + sume[t].in[1][k] <== t1[t].out[k]; + + suma[t].in[0][k] <== t1[t].out[k]; + suma[t].in[1][k] <== t2[t].out[k]; + } + + for (k=0; k<32; k++) { + h[t+1][k] <== g[t][k]; + g[t+1][k] <== f[t][k]; + f[t+1][k] <== e[t][k]; + e[t+1][k] <== sume[t].out[k]; + d[t+1][k] <== c[t][k]; + c[t+1][k] <== b[t][k]; + b[t+1][k] <== a[t][k]; + a[t+1][k] <== suma[t].out[k]; + } + } + + for (k=0; k<32; k++) { + fsum[0].in[0][k] <== hin[32*0+k]; + fsum[0].in[1][k] <== a[64][k]; + fsum[1].in[0][k] <== hin[32*1+k]; + fsum[1].in[1][k] <== b[64][k]; + fsum[2].in[0][k] <== hin[32*2+k]; + fsum[2].in[1][k] <== c[64][k]; + fsum[3].in[0][k] <== hin[32*3+k]; + fsum[3].in[1][k] <== d[64][k]; + fsum[4].in[0][k] <== hin[32*4+k]; + fsum[4].in[1][k] <== e[64][k]; + fsum[5].in[0][k] <== hin[32*5+k]; + fsum[5].in[1][k] <== f[64][k]; + fsum[6].in[0][k] <== hin[32*6+k]; + fsum[6].in[1][k] <== g[64][k]; + fsum[7].in[0][k] <== hin[32*7+k]; + fsum[7].in[1][k] <== h[64][k]; + } + + for (k=0; k<32; k++) { + out[31-k] <== fsum[0].out[k]; + out[32+31-k] <== fsum[1].out[k]; + out[64+31-k] <== fsum[2].out[k]; + out[96+31-k] <== fsum[3].out[k]; + out[128+31-k] <== fsum[4].out[k]; + out[160+31-k] <== fsum[5].out[k]; + out[192+31-k] <== fsum[6].out[k]; + out[224+31-k] <== fsum[7].out[k]; + } +} diff --git a/@tornado/circomlib/circuits/sha256/shift.circom b/@tornado/circomlib/circuits/sha256/shift.circom new file mode 100644 index 0000000..bdff3fd --- /dev/null +++ b/@tornado/circomlib/circuits/sha256/shift.circom @@ -0,0 +1,32 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +template ShR(n, r) { + signal input in[n]; + signal output out[n]; + + for (var i=0; i= n) { + out[i] <== 0; + } else { + out[i] <== in[ i+r ]; + } + } +} + diff --git a/@tornado/circomlib/circuits/sha256/sigma.circom b/@tornado/circomlib/circuits/sha256/sigma.circom new file mode 100644 index 0000000..3baa646 --- /dev/null +++ b/@tornado/circomlib/circuits/sha256/sigma.circom @@ -0,0 +1,68 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "xor3.circom"; +include "rotate.circom"; +include "shift.circom"; + +template SmallSigma(ra, rb, rc) { + signal input in[32]; + signal output out[32]; + + component xor3 = Xor3(32); + + component rota = RotR(32, ra); + component rotb = RotR(32, rb); + component shrc = ShR(32, rc); + + for (var k=0; k<32; k++) { + rota.in[k] <== in[k]; + rotb.in[k] <== in[k]; + shrc.in[k] <== in[k]; + + xor3.a[k] <== rota.out[k]; + xor3.b[k] <== rotb.out[k]; + xor3.c[k] <== shrc.out[k]; + + out[k] <== xor3.out[k]; + } +} + +template BigSigma(ra, rb, rc) { + signal input in[32]; + signal output out[32]; + + component xor3 = Xor3(32); + + component rota = RotR(32, ra); + component rotb = RotR(32, rb); + component rotc = RotR(32, rc); + + for (var k=0; k<32; k++) { + rota.in[k] <== in[k]; + rotb.in[k] <== in[k]; + rotc.in[k] <== in[k]; + + xor3.a[k] <== rota.out[k]; + xor3.b[k] <== rotb.out[k]; + xor3.c[k] <== rotc.out[k]; + + out[k] <== xor3.out[k]; + } +} diff --git a/@tornado/circomlib/circuits/sha256/sigmaplus.circom b/@tornado/circomlib/circuits/sha256/sigmaplus.circom new file mode 100644 index 0000000..ec5a457 --- /dev/null +++ b/@tornado/circomlib/circuits/sha256/sigmaplus.circom @@ -0,0 +1,45 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "../binsum.circom" +include "sigma.circom" + +template SigmaPlus() { + signal input in2[32]; + signal input in7[32]; + signal input in15[32]; + signal input in16[32]; + signal output out[32]; + + component sum = BinSum(32, 4); + component sigma1 = SmallSigma(17,19,10); + component sigma0 = SmallSigma(7, 18, 3); + + for (var k=0; k<32; k++) { + sigma1.in[k] <== in2[k]; + sigma0.in[k] <== in15[k]; + + sum.in[0][k] <== sigma1.out[k]; + sum.in[1][k] <== in7[k]; + sum.in[2][k] <== sigma0.out[k]; + sum.in[3][k] <== in16[k]; + + out[k] <== sum.out[k]; + } +} diff --git a/@tornado/circomlib/circuits/sha256/t1.circom b/@tornado/circomlib/circuits/sha256/t1.circom new file mode 100644 index 0000000..28caed6 --- /dev/null +++ b/@tornado/circomlib/circuits/sha256/t1.circom @@ -0,0 +1,52 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "../binsum.circom"; +include "sigma.circom"; +include "ch.circom"; + +template T1() { + signal input h[32]; + signal input e[32]; + signal input f[32]; + signal input g[32]; + signal input k[32]; + signal input w[32]; + signal output out[32]; + + component sum = BinSum(32, 5); + component ch = Ch(32); + + component bigsigma1 = BigSigma(6, 11, 25); + + for (var ki=0; ki<32; ki++) { + bigsigma1.in[ki] <== e[ki]; + ch.a[ki] <== e[ki]; + ch.b[ki] <== f[ki]; + ch.c[ki] <== g[ki] + + sum.in[0][ki] <== h[ki]; + sum.in[1][ki] <== bigsigma1.out[ki]; + sum.in[2][ki] <== ch.out[ki]; + sum.in[3][ki] <== k[ki]; + sum.in[4][ki] <== w[ki]; + + out[ki] <== sum.out[ki]; + } +} diff --git a/@tornado/circomlib/circuits/sha256/t2.circom b/@tornado/circomlib/circuits/sha256/t2.circom new file mode 100644 index 0000000..54de837 --- /dev/null +++ b/@tornado/circomlib/circuits/sha256/t2.circom @@ -0,0 +1,47 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "../binsum.circom"; +include "sigma.circom"; +include "maj.circom" + +template T2() { + signal input a[32]; + signal input b[32]; + signal input c[32]; + signal output out[32]; + + component sum = BinSum(32, 2); + + component bigsigma0 = BigSigma(2, 13, 22); + component maj = Maj(32); + + for (var k=0; k<32; k++) { + + bigsigma0.in[k] <== a[k]; + maj.a[k] <== a[k]; + maj.b[k] <== b[k]; + maj.c[k] <== c[k]; + + sum.in[0][k] <== bigsigma0.out[k]; + sum.in[1][k] <== maj.out[k]; + + out[k] <== sum.out[k]; + } +} diff --git a/@tornado/circomlib/circuits/sha256/xor3.circom b/@tornado/circomlib/circuits/sha256/xor3.circom new file mode 100644 index 0000000..9bbe76c --- /dev/null +++ b/@tornado/circomlib/circuits/sha256/xor3.circom @@ -0,0 +1,44 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +/* Xor3 function for sha256 + +out = a ^ b ^ c => + +out = a+b+c - 2*a*b - 2*a*c - 2*b*c + 4*a*b*c => + +out = a*( 1 - 2*b - 2*c + 4*b*c ) + b + c - 2*b*c => + +mid = b*c +out = a*( 1 - 2*b -2*c + 4*mid ) + b + c - 2 * mid + +*/ + +template Xor3(n) { + signal input a[n]; + signal input b[n]; + signal input c[n]; + signal output out[n]; + signal mid[n]; + + for (var k=0; k. +*/ + +include "compconstant.circom"; + +template Sign() { + signal input in[254]; + signal output sign; + + component comp = CompConstant(10944121435919637611123202872628637544274182200208017171849102093287904247808); + + var i; + + for (i=0; i<254; i++) { + comp.in[i] <== in[i]; + } + + sign <== comp.out; +} diff --git a/@tornado/circomlib/circuits/smt/smthash_mimc.circom b/@tornado/circomlib/circuits/smt/smthash_mimc.circom new file mode 100644 index 0000000..bad5290 --- /dev/null +++ b/@tornado/circomlib/circuits/smt/smthash_mimc.circom @@ -0,0 +1,57 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "../mimc.circom"; + + +/* + Hash1 = H(1 | key | value) + */ + +template SMTHash1() { + signal input key; + signal input value; + signal output out; + + component h = MultiMiMC7(2, 91); // Constant + h.in[0] <== key; + h.in[1] <== value; + h.k <== 1; + + out <== h.out; +} + +/* + This component is used to create the 2 nodes. + + Hash2 = H(Hl | Hr) + */ + +template SMTHash2() { + signal input L; + signal input R; + signal output out; + + component h = MultiMiMC7(2, 91); // Constant + h.in[0] <== L; + h.in[1] <== R; + h.k <== 0; + + out <== h.out; +} diff --git a/@tornado/circomlib/circuits/smt/smthash_poseidon.circom b/@tornado/circomlib/circuits/smt/smthash_poseidon.circom new file mode 100644 index 0000000..5a9feb7 --- /dev/null +++ b/@tornado/circomlib/circuits/smt/smthash_poseidon.circom @@ -0,0 +1,56 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +include "../poseidon.circom"; + + +/* + Hash1 = H(1 | key | value) + */ + +template SMTHash1() { + signal input key; + signal input value; + signal output out; + + component h = Poseidon(3, 6, 8, 57); // Constant + h.inputs[0] <== key; + h.inputs[1] <== value; + h.inputs[2] <== 1; + + out <== h.out; +} + +/* + This component is used to create the 2 nodes. + + Hash2 = H(Hl | Hr) + */ + +template SMTHash2() { + signal input L; + signal input R; + signal output out; + + component h = Poseidon(2, 6, 8, 57); // Constant + h.inputs[0] <== L; + h.inputs[1] <== R; + + out <== h.out; +} diff --git a/@tornado/circomlib/circuits/smt/smtlevins.circom b/@tornado/circomlib/circuits/smt/smtlevins.circom new file mode 100644 index 0000000..dfcac1c --- /dev/null +++ b/@tornado/circomlib/circuits/smt/smtlevins.circom @@ -0,0 +1,100 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +/* + +This component finds the level where the oldInsert is done. +The rules are: + +levIns[i] == 1 if its level and all the child levels have a sibling of 0 and +the parent level has a sibling != 0. Considere that the root level always has +a parent with a sibling != 0. + + + ┌──────────────┐ + │ │ + │ │───▶ levIns[0] <== (1-done[i]) + │ │ + └──────────────┘ + ▲ + │ + │ + done[0] + + + + done[i-1] <== levIns[i] + done[i] + ▲ + │ + │ + ┌───────────┐ ┌──────────────┐ + │ │ │ │ + sibling[i-1]───▶│IsZero[i-1]│─▶│ │───▶ levIns[i] <== (1-done[i])*(1-isZero[i-1].out) + │ │ │ │ + └───────────┘ └──────────────┘ + ▲ + │ + │ + done[i] + + + + done[n-2] <== levIns[n-1] + ▲ + │ + │ + ┌───────────┐ ┌──────────────┐ + │ │ │ │ + sibling[n-2]───▶│IsZero[n-2]│─▶│ │────▶ levIns[n-1] <== (1-isZero[n-2].out) + │ │ │ │ + └───────────┘ └──────────────┘ + + ┌───────────┐ + │ │ + sibling[n-1]───▶│IsZero[n-1]│────▶ === 0 + │ │ + └───────────┘ + + */ + +template SMTLevIns(nLevels) { + signal input enabled; + signal input siblings[nLevels]; + signal output levIns[nLevels]; + signal done[nLevels-1]; // Indicates if the insLevel has aready been detected. + + component isZero[nLevels]; + + for (var i=0; i0; i--) { + levIns[i] <== (1-done[i])*(1-isZero[i-1].out) + done[i-1] <== levIns[i] + done[i]; + } + + levIns[0] <== (1-done[0]); +} diff --git a/@tornado/circomlib/circuits/smt/smtprocessor.circom b/@tornado/circomlib/circuits/smt/smtprocessor.circom new file mode 100644 index 0000000..d4e6fb4 --- /dev/null +++ b/@tornado/circomlib/circuits/smt/smtprocessor.circom @@ -0,0 +1,258 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +/*************************************************************************************************** + +SMTProcessor: Sparse Merkle Tree processor is a component to verify an insert/update/delete elements +into the Sparse Merkle tree. + + +Insert to an empty leaf +======================= + + STATE OLD STATE NEW STATE + ===== ========= ========= + + oldRoot newRoot + ▲ ▲ + │ │ + ┌───────┐ ┏━━━┻━━━┓ ┌───────┐ ┏━━━┻━━━┓ + top │Sibling├────▶┃ Hash ┃◀─┐ │Sibling├────▶┃ Hash ┃◀─┐ + └───────┘ ┗━━━━━━━┛ │ └───────┘ ┗━━━━━━━┛ │ + │ │ + │ │ + ┏━━━┻━━━┓ ┌───────┐ ┏━━━┻━━━┓ ┌───────┐ + top ┌─────▶┃ Hash ┃◀──┤Sibling│ ┌─────▶┃ Hash ┃◀──┤Sibling│ + │ ┗━━━━━━━┛ └───────┘ │ ┗━━━━━━━┛ └───────┘ + │ │ + │ │ + ┌───────┐ ┏━━━┻━━━┓ ┌───────┐ ┏━━━┻━━━┓ + top │Sibling├──▶┃ Hash ┃◀─────┐ │Sibling├──▶┃ Hash ┃◀─────┐ + └───────┘ ┗━━━━━━━┛ │ └───────┘ ┗━━━━━━━┛ │ + │ │ + │ │ + ┌────┴────┐ ┌────┴────┐ + old0 │ 0 │ │New1Leaf │ + └─────────┘ └─────────┘ + + + ┏━━━━━━━┓ ┏━━━━━━━┓ + na ┃ Hash ┃ ┃ Hash ┃ + ┗━━━━━━━┛ ┗━━━━━━━┛ + + + ┏━━━━━━━┓ ┏━━━━━━━┓ + na ┃ Hash ┃ ┃ Hash ┃ + ┗━━━━━━━┛ ┗━━━━━━━┛ + + + +Insert to a used leaf. +===================== + + STATE OLD STATE NEW STATE + ===== ========= ========= + + + oldRoot newRoot + ▲ ▲ + │ │ + ┌───────┐ ┏━━━┻━━━┓ ┌───────┐ ┏━━━┻━━━┓ + top │Sibling├────▶┃ Hash ┃◀─┐ │Sibling├────▶┃ Hash ┃◀─┐ + └───────┘ ┗━━━━━━━┛ │ └───────┘ ┗━━━━━━━┛ │ + │ │ + │ │ + ┏━━━┻━━━┓ ┌───────┐ ┏━━━┻━━━┓ ┌───────┐ + top ┌─────▶┃ Hash ┃◀──┤Sibling│ ┌─────▶┃ Hash ┃◀──┤Sibling│ + │ ┗━━━━━━━┛ └───────┘ │ ┗━━━━━━━┛ └───────┘ + │ │ + │ │ + ┌───────┐ ┏━━━┻━━━┓ ┌───────┐ ┏━━━┻━━━┓ + top │Sibling├──▶┃ Hash ┃◀─────┐ │Sibling├──▶┃ Hash ┃◀─────┐ + └───────┘ ┗━━━━━━━┛ │ └───────┘ ┗━━━━━━━┛ │ + │ │ + │ │ + ┌────┴────┐ ┏━━━┻━━━┓ ┌───────┐ + bot │Old1Leaf │ ┌─────▶┃ Hash ┃◀──┼─ 0 │ + └─────────┘ │ ┗━━━━━━━┛ └───────┘ + │ + │ + ┏━━━━━━━┓ ┌───────┐ ┏━━━┻━━━┓ + bot ┃ Hash ┃ │ 0 ─┼──▶┃ Hash ┃◀─────┐ + ┗━━━━━━━┛ └───────┘ ┗━━━━━━━┛ │ + │ + │ + ┏━━━━━━━┓ ┏━━━┻━━━┓ ┌───────┐ + bot ┃ Hash ┃ ┌─────▶┃ Hash ┃◀──│ 0 │ + ┗━━━━━━━┛ │ ┗━━━━━━━┛ └───────┘ + │ + │ + ┏━━━━━━━┓ ┌─────────┐ ┏━━━┻━━━┓ ┌─────────┐ + new1 ┃ Hash ┃ │Old1Leaf ├──▶┃ Hash ┃◀──│New1Leaf │ + ┗━━━━━━━┛ └─────────┘ ┗━━━━━━━┛ └─────────┘ + + + ┏━━━━━━━┓ ┏━━━━━━━┓ + na ┃ Hash ┃ ┃ Hash ┃ + ┗━━━━━━━┛ ┗━━━━━━━┛ + + + ┏━━━━━━━┓ ┏━━━━━━━┓ + na ┃ Hash ┃ ┃ Hash ┃ + ┗━━━━━━━┛ ┗━━━━━━━┛ + + +Fnction +fnc[0] fnc[1] +0 0 NOP +0 1 UPDATE +1 0 INSERT +1 1 DELETE + + +***************************************************************************************************/ + +include "../gates.circom"; +include "../bitify.circom"; +include "../comparators.circom"; +include "../switcher.circom"; +include "smtlevins.circom"; +include "smtprocessorlevel.circom"; +include "smtprocessorsm.circom"; +include "smthash_poseidon.circom"; + +template SMTProcessor(nLevels) { + signal input oldRoot; + signal output newRoot; + signal input siblings[nLevels]; + signal input oldKey; + signal input oldValue; + signal input isOld0; + signal input newKey; + signal input newValue; + signal input fnc[2]; + + signal enabled; + + enabled <== fnc[0] + fnc[1] - fnc[0]*fnc[1] + + component hash1Old = SMTHash1(); + hash1Old.key <== oldKey; + hash1Old.value <== oldValue; + + component hash1New = SMTHash1(); + hash1New.key <== newKey; + hash1New.value <== newValue; + + component n2bOld = Num2Bits_strict(); + component n2bNew = Num2Bits_strict(); + + n2bOld.in <== oldKey; + n2bNew.in <== newKey; + + component smtLevIns = SMTLevIns(nLevels); + for (var i=0; i. +*/ + +/****** + +SMTProcessorLevel + +This circuit has 2 hash + +Outputs according to the state. + +State oldRoot newRoot +===== ======= ======= +top H'(oldChild, sibling) H'(newChild, sibling) +old0 0 new1leaf +bot old1leaf H'(newChild, 0) +new1 old1leaf H'(new1leaf, old1leaf) +na 0 0 + +upd old1leaf new1leaf + +H' is the Hash function with the inputs shifted acordingly. + +*****/ + + +template SMTProcessorLevel() { + signal input st_top; + signal input st_old0; + signal input st_bot; + signal input st_new1; + signal input st_na; + signal input st_upd; + + signal output oldRoot; + signal output newRoot; + signal input sibling; + signal input old1leaf; + signal input new1leaf; + signal input newlrbit; + signal input oldChild; + signal input newChild; + + signal aux[4]; + + component oldProofHash = SMTHash2(); + component newProofHash = SMTHash2(); + + component oldSwitcher = Switcher(); + component newSwitcher = Switcher(); + + // Old side + + oldSwitcher.L <== oldChild; + oldSwitcher.R <== sibling; + + oldSwitcher.sel <== newlrbit; + oldProofHash.L <== oldSwitcher.outL; + oldProofHash.R <== oldSwitcher.outR; + + aux[0] <== old1leaf * (st_bot + st_new1 + st_upd); + oldRoot <== aux[0] + oldProofHash.out * st_top; + + // New side + + aux[1] <== newChild * ( st_top + st_bot); + newSwitcher.L <== aux[1] + new1leaf*st_new1; + + aux[2] <== sibling*st_top; + newSwitcher.R <== aux[2] + old1leaf*st_new1; + + newSwitcher.sel <== newlrbit; + newProofHash.L <== newSwitcher.outL; + newProofHash.R <== newSwitcher.outR; + + aux[3] <== newProofHash.out * (st_top + st_bot + st_new1); + newRoot <== aux[3] + new1leaf * (st_old0 + st_upd); +} diff --git a/@tornado/circomlib/circuits/smt/smtprocessorsm.circom b/@tornado/circomlib/circuits/smt/smtprocessorsm.circom new file mode 100644 index 0000000..fac95b0 --- /dev/null +++ b/@tornado/circomlib/circuits/smt/smtprocessorsm.circom @@ -0,0 +1,164 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +/*************************************************************************************************** +Each level on a SMTProcessor has a state. + +The state of the level depends on the state of te botom level and on `xor` and +`is0` signals. + +`isOldLev` 1 when is the level where oldLeaf is. + +`xor` signal is 0 if the index bit at the current level is the same in the old +and the new index, and 1 if it is different. + +`is0` signal, is 1 if we are inserting/deleting in an empty leaf and 0 if we +are inserting/deleting in a leaf that contains an element. + +The states are: + +top: While the index bits of the old and new insex in the top level is the same, whe are in the top state. +old0: When the we reach insert level, we go to old0 state +if `is0`=1. +btn: Once in insert level and `is0` =0 we go to btn or new1 level if xor=1 +new1: This level is reached when xor=1. Here is where we insert/delete the hash of the +old and the new trees with just one element. +na: Not appliable. After processing it, we go to the na level. + + +Fnction +fnc[0] fnc[1] +0 0 NOP +0 1 UPDATE +1 0 INSERT +1 1 DELETE + + + ########### + # # + ┌────────────────────────────▶# upd #─────────────────────┐ + │ ## ## │ + │ ######### │ + levIns=1 │ │ + fnc[0]=0 │ │ any + │ │ + │ │ + │ │ + │ ########### │ + │ levIns=1 # # │ + levIns=0 │ is0=1 ┌────────────▶# old0 #────────┐ │ any + ┌─────┐ │ fnc[0]=1│ ## ## │ │ ┌──────┐ + │ │ │ │ ######### │ any │ │ │ + │ ▼ │ │ │ ▼ ▼ │ + │ ########### │ │ ########### │ + │ # # ────────────┘ └────────▶# #│ + └──# top # # na # + ## ## ───────────────────┐ levIns=1 ┌──▶## ## + ######### │ is0=0 │ ######### + │ │ fnc[0]=1 │ + │ │ xor=1 ########### │ any + │ └──────────────────▶# # │ + │ # new1 #──┘ + │ ## ## + └────────────────────────────────┐ ######### + levIns=1 │ ▲ + is0=0 │ ┌─────┘ + fnc[0]=1 │ ###########│ xor=1 + xor=0 │ # # + ▼# btn # + ## ## + #########◀───────┐ + │ │ + │ │ + └────────────┘ + xor=0 + +***************************************************************************************************/ + +template SMTProcessorSM() { + signal input xor; + signal input is0; + signal input levIns; + signal input fnc[2]; + + signal input prev_top; + signal input prev_old0; + signal input prev_bot; + signal input prev_new1; + signal input prev_na; + signal input prev_upd; + + signal output st_top; + signal output st_old0; + signal output st_bot; + signal output st_new1; + signal output st_na; + signal output st_upd; + + signal aux1; + signal aux2; + + aux1 <== prev_top * levIns; + aux2 <== aux1*fnc[0]; // prev_top * levIns * fnc[0] + + // st_top = prev_top*(1-levIns) + // = + prev_top + // - prev_top * levIns = aux1 + + st_top <== prev_top - aux1; + + // st_old0 = prev_top * levIns * is0 * fnc[0] + // = + prev_top * levIns * is0 * fnc[0] = aux2 * is0 + + st_old0 <== aux2 * is0; // prev_top * levIns * is0 * fnc[0] + + // st_new1 = prev_top * levIns * (1-is0)*fnc[0] * xor + prev_bot*xor = + // = + prev_top * levIns * fnc[0] * xor = aux2 * xor + // - prev_top * levIns * is0 * fnc[0] * xor = st_old0 * xor + // + prev_bot * xor = prev_bot * xor + + st_new1 <== (aux2 - st_old0 + prev_bot)*xor; + + + // st_bot = prev_top * levIns * (1-is0)*fnc[0] * (1-xor) + prev_bot*(1-xor); + // = + prev_top * levIns * fnc[0] + // - prev_top * levIns * is0 * fnc[0] + // - prev_top * levIns * fnc[0] * xor + // + prev_top * levIns * is0 * fnc[0] * xor + // + prev_bot + // - prev_bot * xor + + st_bot <== (1-xor) * (aux2 - st_old0 + prev_bot) + + + // st_upd = prev_top * (1-fnc[0]) *levIns; + // = + prev_top * levIns + // - prev_top * levIns * fnc[0] + + st_upd <== aux1 - aux2 + + // st_na = prev_new1 + prev_old0 + prev_na + prev_upd; + // = + prev_new1 + // + prev_old0 + // + prev_na + // + prev_upd + + st_na <== prev_new1 + prev_old0 + prev_na + prev_upd; + +} diff --git a/@tornado/circomlib/circuits/smt/smtverifier.circom b/@tornado/circomlib/circuits/smt/smtverifier.circom new file mode 100644 index 0000000..fbfba25 --- /dev/null +++ b/@tornado/circomlib/circuits/smt/smtverifier.circom @@ -0,0 +1,135 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +/* + +SMTVerifier is a component to verify inclusion/exclusion of an element in the tree + + +fnc: 0 -> VERIFY INCLUSION + 1 -> VERIFY NOT INCLUSION + + */ + + +include "../gates.circom"; +include "../bitify.circom"; +include "../comparators.circom"; +include "../switcher.circom"; +include "smtlevins.circom"; +include "smtverifierlevel.circom"; +include "smtverifiersm.circom"; +include "smthash_poseidon.circom"; + +template SMTVerifier(nLevels) { + signal input enabled; + signal input root; + signal input siblings[nLevels]; + signal input oldKey; + signal input oldValue; + signal input isOld0; + signal input key; + signal input value; + signal input fnc; + + component hash1Old = SMTHash1(); + hash1Old.key <== oldKey; + hash1Old.value <== oldValue; + + component hash1New = SMTHash1(); + hash1New.key <== key; + hash1New.value <== value; + + component n2bOld = Num2Bits_strict(); + component n2bNew = Num2Bits_strict(); + + n2bOld.in <== oldKey; + n2bNew.in <== key; + + component smtLevIns = SMTLevIns(nLevels); + for (var i=0; i. +*/ + +/****** + +SMTVerifierLevel + +This circuit has 1 hash + +Outputs according to the state. + +State root +===== ======= +top H'(child, sibling) +i0 0 +iold old1leaf +inew new1leaf +na 0 + +H' is the Hash function with the inputs shifted acordingly. + +*****/ + + +template SMTVerifierLevel() { + signal input st_top; + signal input st_i0; + signal input st_iold; + signal input st_inew; + signal input st_na; + + signal output root; + signal input sibling; + signal input old1leaf; + signal input new1leaf; + signal input lrbit; + signal input child; + + signal aux[2]; + + component proofHash = SMTHash2(); + component switcher = Switcher(); + + switcher.L <== child; + switcher.R <== sibling; + + switcher.sel <== lrbit; + proofHash.L <== switcher.outL; + proofHash.R <== switcher.outR; + + aux[0] <== proofHash.out * st_top; + aux[1] <== old1leaf*st_iold; + + root <== aux[0] + aux[1] + new1leaf*st_inew; +} diff --git a/@tornado/circomlib/circuits/smt/smtverifiersm.circom b/@tornado/circomlib/circuits/smt/smtverifiersm.circom new file mode 100644 index 0000000..f519653 --- /dev/null +++ b/@tornado/circomlib/circuits/smt/smtverifiersm.circom @@ -0,0 +1,105 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +/* +Each level in the SMTVerifier has a state. + +This is the state machine. + +The signals are + +levIns: 1 if we are in the level where the insertion should happen +xor: 1 if the bitKey of the old and new keys are different in this level +is0: Input that indicates that the oldKey is 0 +fnc: 0 -> VERIFY INCLUSION + 1 -> VERIFY NOT INCLUSION + +err state is not a state itself. It's a lack of state. + +The end of the last level will have to be `na` + + levIns=0 any + ┌────┐ ┌────┐ + │ │ │ │ + │ ▼ levIns=1 ▼ │ + │ ########### is0=1 ########### ########### │ + │ # # fnc=1 # # any # # │ + └──# top # ─────────────────────▶# i0 #───────────────▶# na #──┘ + ## ## ──────────┐ ## ## ┌───────▶## ## + ########─────────────┐│ ######### │┌────────▶######### + ││ levIns=1 ││ + ││ is0=0 ########### ││ + ││ fnc=1 # # any│ + │└──────────▶ # iold #────────┘│ + │ ## ## │ + │ ######### │ + │ │ + │ levIns=1 ########### │ + │ fnc=0 # # any + └────────────▶# inew #─────────┘ + ## ## + ######### + + */ + + +template SMTVerifierSM() { + signal input is0; + signal input levIns; + signal input fnc; + + signal input prev_top; + signal input prev_i0; + signal input prev_iold; + signal input prev_inew; + signal input prev_na; + + signal output st_top; + signal output st_i0; + signal output st_iold; + signal output st_inew; + signal output st_na; + + signal prev_top_lev_ins; + signal prev_top_lev_ins_fnc; + + prev_top_lev_ins <== prev_top * levIns; + prev_top_lev_ins_fnc <== prev_top_lev_ins*fnc; // prev_top * levIns * fnc + + // st_top = prev_top * (1-levIns) + // = + prev_top + // - prev_top * levIns + st_top <== prev_top - prev_top_lev_ins; + + // st_inew = prev_top * levIns * (1-fnc) + // = + prev_top * levIns + // - prev_top * levIns * fnc + st_inew <== prev_top_lev_ins - prev_top_lev_ins_fnc; + + // st_iold = prev_top * levIns * (1-is0)*fnc + // = + prev_top * levIns * fnc + // - prev_top * levIns * fnc * is0 + st_iold <== prev_top_lev_ins_fnc * (1 - is0); + + // st_i0 = prev_top * levIns * is0 + // = + prev_top * levIns * is0 + st_i0 <== prev_top_lev_ins * is0; + + st_na <== prev_na + prev_inew + prev_iold + prev_i0; +} diff --git a/@tornado/circomlib/circuits/switcher.circom b/@tornado/circomlib/circuits/switcher.circom new file mode 100644 index 0000000..4d8b114 --- /dev/null +++ b/@tornado/circomlib/circuits/switcher.circom @@ -0,0 +1,40 @@ +/* + Copyright 2018 0KIMS association. + + This file is part of circom (Zero Knowledge Circuit Compiler). + + circom is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + circom is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with circom. If not, see . +*/ + +/* + Assume sel is binary. + + If sel == 0 then outL = L and outR=R + If sel == 1 then outL = R and outR=L + + */ + +template Switcher() { + signal input sel; + signal input L; + signal input R; + signal output outL; + signal output outR; + + signal aux; + + aux <== (R-L)*sel; // We create aux in order to have only one multiplication + outL <== aux + L; + outR <== -aux + R; +} diff --git a/@tornado/circomlib/doc/root_transfer.monopic b/@tornado/circomlib/doc/root_transfer.monopic new file mode 100644 index 0000000000000000000000000000000000000000..032c0ba52af84b58f4a2c93d2f77e070d107b342 GIT binary patch literal 5033 zcmV;a6ISg1O;1iwP)S1pABzY8000000u$|B?T*{Xa($J7e#=2uRe$>5#f1%AAlY1a zj9>$=F_338wsL1AN0RsMW?>+2ke_*jJlK7b@Ix$88gW<6W{JXZ42;FmP_1UOSzTRq z&Z*xft55$izuj&ouYb!AUy;d=9u~{_&E0JC6$ht+!W zTBGw2l=4~Ax2xrLzTDnqO)T&7Pi)uUvJY&3{W`x{WWSo?!`UzSJCoPA>*Z$q>qGV{ zWqn&OJ}p`OC)p=wpNl@{-N@ek=j`k&pS}NewOMQztL4plexD7{hhl($Ap28! 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const subOrder: any; + export const A: any; + export const D: any; + export function addPoint(a: any, b: any): any[]; + export function mulPointEscalar(base: any, e: any): any[]; + export function inCurve(P: any): boolean; + export function inSubgroup(P: any): any; + export function packPoint(P: any): any; + export function unpackPoint(_buff: any): any[]; + export { unknown as p }; +} +declare module "circomlib/src/pedersenHash" { + function pedersenHash(msg: any): any; + export function getBasePoint(pointIdx: any): any; + export { pedersenHash as hash }; +} +declare module "circomlib/src/mimc7" { + export function getIV(seed: any): any; + export function getConstants(seed: any, nRounds: any): any[]; + export function hash(_x_in: any, _k: any): any; + export function multiHash(arr: any, key: any): any; +} +declare module "circomlib/src/poseidon" { + export function getMatrix(t: any, seed: any, nRounds: any): any[]; + export function getConstants(t: any, seed: any, nRounds: any): any[]; + export function createHash(t: any, nRoundsF: any, nRoundsP: any, seed: any): (inputs: any) => any; +} +declare module "circomlib/src/mimcsponge" { + export function getIV(seed: any): any; + export function getConstants(seed: any, nRounds: any): any[]; + export function hash(_xL_in: any, _xR_in: any, _k: any): { + xL: any; + xR: any; + }; + export function multiHash(arr: any, key: any, numOutputs: any): any; +} +declare module "circomlib/src/eddsa" { + export function prv2pub(prv: any): any[]; + export function sign(prv: any, msg: any): { + R8: any[]; + S: any; + }; + export function signMiMC(prv: any, msg: any): { + R8: any[]; + S: any; + }; + export function signPoseidon(prv: any, msg: any): { + R8: any[]; + S: any; + }; + export function signMiMCSponge(prv: any, msg: any): { + R8: any[]; + S: any; + }; + export function verify(msg: any, sig: any, A: any): boolean; + export function verifyMiMC(msg: any, sig: any, A: any): boolean; + export function verifyPoseidon(msg: any, sig: any, A: any): boolean; + export function verifyMiMCSponge(msg: any, sig: any, A: any): boolean; + export function packSignature(sig: any): Buffer; + export function unpackSignature(sigBuff: any): { + R8: any[]; + S: any; + }; + export function pruneBuffer(_buff: any): Buffer; +} +declare module "circomlib/src/evmasm" { + export = Contract; + export class Contract { + code: any[]; + labels: {}; + pendingLabels: {}; + createTxData(): string; + stop(): void; + add(): void; + mul(): void; + sub(): void; + div(): void; + sdiv(): void; + mod(): void; + smod(): void; + addmod(): void; + mulmod(): void; + exp(): void; + signextend(): void; + lt(): void; + gt(): void; + slt(): void; + sgt(): void; + eq(): void; + iszero(): void; + and(): void; + or(): void; + shor(): void; + not(): void; + byte(): void; + keccak(): void; + sha3(): void; + address(): void; + balance(): void; + origin(): void; + caller(): void; + callvalue(): void; + calldataload(): void; + calldatasize(): void; + calldatacopy(): void; + codesize(): void; + codecopy(): void; + gasprice(): void; + extcodesize(): void; + extcodecopy(): void; + returndatasize(): void; + returndatacopy(): void; + blockhash(): void; + coinbase(): void; + timestamp(): void; + number(): void; + difficulty(): void; + gaslimit(): void; + pop(): void; + mload(): void; + mstore(): void; + mstore8(): void; + sload(): void; + sstore(): void; + _pushLabel(label: any): void; + _fillLabel(label: any): void; + jmp(label: any): void; + jmpi(label: any): void; + pc(): void; + msize(): void; + gas(): void; + label(name: any): void; + push(data: any): void; + dup(n: any): void; + swap(n: any): void; + log0(): void; + log1(): void; + log2(): void; + log3(): void; + log4(): void; + create(): void; + call(): void; + callcode(): void; + return(): void; + delegatecall(): void; + staticcall(): void; + revert(): void; + invalid(): void; + selfdestruct(): void; + } +} +declare module "circomlib/src/g2_gencontract" { + export const abi: { + constant: boolean; + inputs: { + name: string; + type: string; + }[]; + name: string; + outputs: { + name: string; + type: string; + }[]; + payable: boolean; + stateMutability: string; + type: string; + }[]; + export function createCode(P: any, w: any): string; +} +declare module "circomlib/src/mimc_gencontract" { + export const abi: { + constant: boolean; + inputs: { + name: string; + type: string; + }[]; + name: string; + outputs: { + name: string; + type: string; + }[]; + payable: boolean; + stateMutability: string; + type: string; + }[]; + export function createCode(seed: any, n: any): string; +} +declare module "circomlib/src/mimc_print_iv" { + export {}; +} +declare module "circomlib/src/mimc_printconstants" { + export {}; +} +declare module "circomlib/src/mimc_printcontract" { + export {}; +} +declare module "circomlib/src/mimcsponge_gencontract" { + export const abi: { + constant: boolean; + inputs: { + name: string; + type: string; + }[]; + name: string; + outputs: { + name: string; + type: string; + }[]; + payable: boolean; + stateMutability: string; + type: string; + }[]; + export function createCode(seed: any, n: any): string; +} +declare module "circomlib/src/mimcsponge_printconstants" { + export {}; +} +declare module "circomlib/src/mimcsponge_printcontract" { + export {}; +} +declare module "circomlib/src/pedersen_printbases" { + export {}; +} +declare module "circomlib/src/poseidon_gencontract" { + export const abi: { + constant: boolean; + inputs: { + name: string; + type: string; + }[]; + name: string; + outputs: { + name: string; + type: string; + }[]; + payable: boolean; + stateMutability: string; + type: string; + }[]; + export function createCode(t: any, nRoundsF: any, nRoundsP: any, seed: any): string; +} +declare module "circomlib/src/poseidon_printconstants" { + export {}; +} +declare module "circomlib/src/poseidon_printcontract" { + export {}; +} +declare module "circomlib/src/poseidon_printmatrix" { + export {}; +} +declare module "circomlib/src/smt_memdb" { + export = SMTMemDb; + export class SMTMemDb { + nodes: {}; + root: any; + getRoot(): Promise; + _key2str(k: any): any; + _normalize(n: any): void; + get(key: any): Promise; + multiGet(keys: any): Promise; + setRoot(rt: any): Promise; + multiIns(inserts: any): Promise; + multiDel(dels: any): Promise; + } +} +declare module "circomlib/src/smt_hashes_poseidon" { + export function hash0(left: any, right: any): any; + export function hash1(key: any, value: any): any; +} +declare module "circomlib/src/smt" { + export function loadFromFile(fileName: any): Promise; + export function newMemEmptyTrie(): Promise; + export class SMT { + constructor(db: any, root: any); + db: any; + root: any; + _splitBits(_key: any): boolean[]; + update(_key: any, _newValue: any): Promise<{ + oldRoot: any; + oldKey: any; + oldValue: any; + newKey: any; + newValue: any; + siblings: any; + newRoot: any; + }>; + delete(_key: any): Promise<{ + siblings: any[]; + delKey: any; + delValue: any; + }>; + insert(_key: any, _value: any): Promise<{ + oldRoot: any; + siblings: any; + oldKey: any; + oldValue: any; + newRoot: any; + isOld0: any; + }>; + find(key: any): Promise; + _find(key: any, keyBits: any, root: any, level: any): any; + } + import SMTMemDB = require("circomlib/src/smt_memdb"); + export { SMTMemDB }; +} +declare module "circomlib/src/smt_hashes_mimc" { + export function hash0(left: any, right: any): any; + export function hash1(key: any, value: any): any; +} +declare module "circomlib/calcpedersenbases/calcpedersenbases" { + export {}; +} +declare module "circomlib" { + export const smt: typeof import("circomlib/src/smt"); + export const eddsa: typeof import("circomlib/src/eddsa"); + export const mimc7: typeof import("circomlib/src/mimc7"); + export const mimcsponge: typeof import("circomlib/src/mimcsponge"); + export const babyJub: typeof import("circomlib/src/babyjub"); + export const pedersenHash: typeof import("circomlib/src/pedersenHash"); + export const SMT: typeof import("circomlib/src/smt").SMT; + export const SMTMemDB: typeof import("circomlib/src/smt_memdb"); + export const poseidon: typeof import("circomlib/src/poseidon"); +} +//# sourceMappingURL=index.d.ts.map diff --git a/@tornado/circomlib/index.d.ts.map b/@tornado/circomlib/index.d.ts.map new file mode 100644 index 0000000..7e1b7c9 --- /dev/null +++ b/@tornado/circomlib/index.d.ts.map @@ -0,0 +1 @@ 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\ No newline at end of file diff --git a/@tornado/circomlib/index.js b/@tornado/circomlib/index.js new file mode 100644 index 0000000..b5df488 --- /dev/null +++ b/@tornado/circomlib/index.js @@ -0,0 +1,9 @@ +exports.smt = require("./src/smt"); +exports.eddsa = require("./src/eddsa"); +exports.mimc7 = require("./src/mimc7"); +exports.mimcsponge = require("./src/mimcsponge"); +exports.babyJub = require("./src/babyjub"); +exports.pedersenHash = require("./src/pedersenHash"); +exports.SMT = require("./src/smt").SMT; +exports.SMTMemDB = require("./src/smt_memdb"); +exports.poseidon = require("./src/poseidon"); diff --git a/@tornado/circomlib/package.json b/@tornado/circomlib/package.json new file mode 100644 index 0000000..36bf8bd --- /dev/null +++ b/@tornado/circomlib/package.json @@ -0,0 +1,41 @@ +{ + "name": "@tornado/circomlib", + "version": "0.0.20-p2", + "description": "Basic circuits library for Circom", + "main": "index.js", + "directories": { + "test": "test" + }, + "scripts": { + "test": "mocha --max-old-space-size=4000" + }, + "keywords": [ + "pedersen", + "hash", + "ethereum", + "circuit", + "circom", + "zksnark" + ], + "repository": { + "type": "git", + "url": "https://development.tornadocash.community/tornadocash/circomlib" + }, + "author": "0Kims", + "license": "GPL-3.0", + "dependencies": { + "@tornado/snarkjs": "workspace:*", + "blake-hash": "^1.1.0", + "blake2b": "^2.1.3", + "typedarray-to-buffer": "^3.1.5", + "web3": "^1.9.0", + "web3-utils": "^1.9.0" + }, + "devDependencies": { + "circom": "0.0.35", + "eslint-plugin-mocha": "^5.2.0", + "ganache-cli": "^6.4.4", + "mocha": "^5.2.0", + "typescript": "^5.0.2" + } +} diff --git a/@tornado/circomlib/src/babyjub.js b/@tornado/circomlib/src/babyjub.js new file mode 100644 index 0000000..9851736 --- /dev/null +++ b/@tornado/circomlib/src/babyjub.js @@ -0,0 +1,109 @@ +const bn128 = require("@tornado/snarkjs").bn128; +const bigInt = require("@tornado/snarkjs").bigInt; + +exports.addPoint = addPoint; +exports.mulPointEscalar = mulPointEscalar; +exports.inCurve = inCurve; +exports.inSubgroup = inSubgroup; +exports.packPoint = packPoint; +exports.unpackPoint = unpackPoint; +exports.Generator = [ + bigInt("995203441582195749578291179787384436505546430278305826713579947235728471134"), + bigInt("5472060717959818805561601436314318772137091100104008585924551046643952123905") +]; +exports.Base8 = [ + bigInt("5299619240641551281634865583518297030282874472190772894086521144482721001553"), + bigInt("16950150798460657717958625567821834550301663161624707787222815936182638968203") +]; +exports.order = bigInt("21888242871839275222246405745257275088614511777268538073601725287587578984328"); +exports.subOrder = exports.order.shr(3); +exports.p = bn128.r; +exports.A = bigInt("168700"); +exports.D = bigInt("168696"); + + +function addPoint(a,b) { + const q = bn128.r; + + const res = []; + + /* does the equivalent of: + res[0] = bigInt((a[0]*b[1] + b[0]*a[1]) * bigInt(bigInt("1") + d*a[0]*b[0]*a[1]*b[1]).inverse(q)).affine(q); + res[1] = bigInt((a[1]*b[1] - cta*a[0]*b[0]) * bigInt(bigInt("1") - d*a[0]*b[0]*a[1]*b[1]).inverse(q)).affine(q); + */ + res[0] = bigInt((bigInt(a[0]).mul(b[1]).add(bigInt(b[0]).mul(a[1]))).mul(bigInt(bigInt("1").add(exports.D.mul(a[0]).mul(b[0]).mul(a[1]).mul(b[1]))).inverse(q))).affine(q); + res[1] = bigInt((bigInt(a[1]).mul(b[1]).sub(exports.A.mul(a[0]).mul(b[0]))).mul(bigInt(bigInt("1").sub(exports.D.mul(a[0]).mul(b[0]).mul(a[1]).mul(b[1]))).inverse(q))).affine(q); + + return res; +} + +function mulPointEscalar(base, e) { + let res = [bigInt("0"),bigInt("1")]; + let rem = bigInt(e); + let exp = base; + + while (! rem.isZero()) { + if (rem.isOdd()) { + res = addPoint(res, exp); + } + exp = addPoint(exp, exp); + rem = rem.shr(1); + } + + return res; +} + +function inSubgroup(P) { + if (!inCurve(P)) return false; + const res= mulPointEscalar(P, exports.subOrder); + return (res[0].equals(bigInt(0))) && (res[1].equals(bigInt(1))); +} + +function inCurve(P) { + const F = bn128.Fr; + + const x2 = F.square(P[0]); + const y2 = F.square(P[1]); + + if (!F.equals( + F.add(F.mul(exports.A, x2), y2), + F.add(F.one, F.mul(F.mul(x2, y2), exports.D)))) return false; + + return true; +} + +function packPoint(P) { + const buff = bigInt.leInt2Buff(P[1], 32); + if (P[0].greater(exports.p.shr(1))) { + buff[31] = buff[31] | 0x80; + } + return buff; +} + +function unpackPoint(_buff) { + const F = bn128.Fr; + + const buff = Buffer.from(_buff); + let sign = false; + const P = new Array(2); + if (buff[31] & 0x80) { + sign = true; + buff[31] = buff[31] & 0x7F; + } + P[1] = bigInt.leBuff2int(buff); + if (P[1].greaterOrEquals(exports.p)) return null; + + const y2 = F.square(P[1]); + + let x = F.sqrt(F.div( + F.sub(F.one, y2), + F.sub(exports.A, F.mul(exports.D, y2)))); + + if (x == null) return null; + + if (sign) x = F.neg(x); + + P[0] = F.affine(x); + + return P; +} diff --git a/@tornado/circomlib/src/eddsa.js b/@tornado/circomlib/src/eddsa.js new file mode 100644 index 0000000..e3fa3de --- /dev/null +++ b/@tornado/circomlib/src/eddsa.js @@ -0,0 +1,223 @@ +const createBlakeHash = require("blake-hash"); +const bigInt = require("@tornado/snarkjs").bigInt; +const babyJub = require("./babyjub"); +const pedersenHash = require("./pedersenHash").hash; +const mimc7 = require("./mimc7"); +const poseidon = require("./poseidon.js"); +const mimcsponge = require("./mimcsponge"); + +exports.prv2pub= prv2pub; +exports.sign = sign; +exports.signMiMC = signMiMC; +exports.signPoseidon = signPoseidon; +exports.signMiMCSponge = signMiMCSponge; +exports.verify = verify; +exports.verifyMiMC = verifyMiMC; +exports.verifyPoseidon = verifyPoseidon; +exports.verifyMiMCSponge = verifyMiMCSponge; +exports.packSignature = packSignature; +exports.unpackSignature = unpackSignature; +exports.pruneBuffer = pruneBuffer; + + +function pruneBuffer(_buff) { + const buff = Buffer.from(_buff); + buff[0] = buff[0] & 0xF8; + buff[31] = buff[31] & 0x7F; + buff[31] = buff[31] | 0x40; + return buff; +} + +function prv2pub(prv) { + const sBuff = pruneBuffer(createBlakeHash("blake512").update(prv).digest().slice(0,32)); + let s = bigInt.leBuff2int(sBuff); + const A = babyJub.mulPointEscalar(babyJub.Base8, s.shr(3)); + return A; +} + +function sign(prv, msg) { + const h1 = createBlakeHash("blake512").update(prv).digest(); + const sBuff = pruneBuffer(h1.slice(0,32)); + const s = bigInt.leBuff2int(sBuff); + const A = babyJub.mulPointEscalar(babyJub.Base8, s.shr(3)); + + const rBuff = createBlakeHash("blake512").update(Buffer.concat([h1.slice(32,64), msg])).digest(); + let r = bigInt.leBuff2int(rBuff); + r = r.mod(babyJub.subOrder); + const R8 = babyJub.mulPointEscalar(babyJub.Base8, r); + const R8p = babyJub.packPoint(R8); + const Ap = babyJub.packPoint(A); + const hmBuff = pedersenHash(Buffer.concat([R8p, Ap, msg])); + const hm = bigInt.leBuff2int(hmBuff); + const S = r.add(hm.mul(s)).mod(babyJub.subOrder); + return { + R8: R8, + S: S + }; +} + +function signMiMC(prv, msg) { + const h1 = createBlakeHash("blake512").update(prv).digest(); + const sBuff = pruneBuffer(h1.slice(0,32)); + const s = bigInt.leBuff2int(sBuff); + const A = babyJub.mulPointEscalar(babyJub.Base8, s.shr(3)); + + const msgBuff = bigInt.leInt2Buff(msg, 32); + const rBuff = createBlakeHash("blake512").update(Buffer.concat([h1.slice(32,64), msgBuff])).digest(); + let r = bigInt.leBuff2int(rBuff); + r = r.mod(babyJub.subOrder); + const R8 = babyJub.mulPointEscalar(babyJub.Base8, r); + const hm = mimc7.multiHash([R8[0], R8[1], A[0], A[1], msg]); + const S = r.add(hm.mul(s)).mod(babyJub.subOrder); + return { + R8: R8, + S: S + }; +} + +function signMiMCSponge(prv, msg) { + const h1 = createBlakeHash("blake512").update(prv).digest(); + const sBuff = pruneBuffer(h1.slice(0,32)); + const s = bigInt.leBuff2int(sBuff); + const A = babyJub.mulPointEscalar(babyJub.Base8, s.shr(3)); + + const msgBuff = bigInt.leInt2Buff(msg, 32); + const rBuff = createBlakeHash("blake512").update(Buffer.concat([h1.slice(32,64), msgBuff])).digest(); + let r = bigInt.leBuff2int(rBuff); + r = r.mod(babyJub.subOrder); + const R8 = babyJub.mulPointEscalar(babyJub.Base8, r); + const hm = mimcsponge.multiHash([R8[0], R8[1], A[0], A[1], msg]); + const S = r.add(hm.mul(s)).mod(babyJub.subOrder); + return { + R8: R8, + S: S + }; +} + +function signPoseidon(prv, msg) { + const h1 = createBlakeHash("blake512").update(prv).digest(); + const sBuff = pruneBuffer(h1.slice(0,32)); + const s = bigInt.leBuff2int(sBuff); + const A = babyJub.mulPointEscalar(babyJub.Base8, s.shr(3)); + + const msgBuff = bigInt.leInt2Buff(msg, 32); + const rBuff = createBlakeHash("blake512").update(Buffer.concat([h1.slice(32,64), msgBuff])).digest(); + let r = bigInt.leBuff2int(rBuff); + r = r.mod(babyJub.subOrder); + const R8 = babyJub.mulPointEscalar(babyJub.Base8, r); + const hash = poseidon.createHash(6, 8, 57); + const hm = hash([R8[0], R8[1], A[0], A[1], msg]); + const S = r.add(hm.mul(s)).mod(babyJub.subOrder); + return { + R8: R8, + S: S + }; +} + +function verify(msg, sig, A) { + // Check parameters + if (typeof sig != "object") return false; + if (!Array.isArray(sig.R8)) return false; + if (sig.R8.length!= 2) return false; + if (!babyJub.inCurve(sig.R8)) return false; + if (!Array.isArray(A)) return false; + if (A.length!= 2) return false; + if (!babyJub.inCurve(A)) return false; + if (sig.S>= babyJub.subOrder) return false; + + const R8p = babyJub.packPoint(sig.R8); + const Ap = babyJub.packPoint(A); + const hmBuff = pedersenHash(Buffer.concat([R8p, Ap, msg])); + const hm = bigInt.leBuff2int(hmBuff); + + const Pleft = babyJub.mulPointEscalar(babyJub.Base8, sig.S); + let Pright = babyJub.mulPointEscalar(A, hm.mul(bigInt("8"))); + Pright = babyJub.addPoint(sig.R8, Pright); + + if (!Pleft[0].equals(Pright[0])) return false; + if (!Pleft[1].equals(Pright[1])) return false; + return true; +} + +function verifyMiMC(msg, sig, A) { + // Check parameters + if (typeof sig != "object") return false; + if (!Array.isArray(sig.R8)) return false; + if (sig.R8.length!= 2) return false; + if (!babyJub.inCurve(sig.R8)) return false; + if (!Array.isArray(A)) return false; + if (A.length!= 2) return false; + if (!babyJub.inCurve(A)) return false; + if (sig.S>= babyJub.subOrder) return false; + + const hm = mimc7.multiHash([sig.R8[0], sig.R8[1], A[0], A[1], msg]); + + const Pleft = babyJub.mulPointEscalar(babyJub.Base8, sig.S); + let Pright = babyJub.mulPointEscalar(A, hm.mul(bigInt("8"))); + Pright = babyJub.addPoint(sig.R8, Pright); + + if (!Pleft[0].equals(Pright[0])) return false; + if (!Pleft[1].equals(Pright[1])) return false; + return true; +} + + +function verifyPoseidon(msg, sig, A) { + // Check parameters + if (typeof sig != "object") return false; + if (!Array.isArray(sig.R8)) return false; + if (sig.R8.length!= 2) return false; + if (!babyJub.inCurve(sig.R8)) return false; + if (!Array.isArray(A)) return false; + if (A.length!= 2) return false; + if (!babyJub.inCurve(A)) return false; + if (sig.S>= babyJub.subOrder) return false; + + const hash = poseidon.createHash(6, 8, 57); + const hm = hash([sig.R8[0], sig.R8[1], A[0], A[1], msg]); + + const Pleft = babyJub.mulPointEscalar(babyJub.Base8, sig.S); + let Pright = babyJub.mulPointEscalar(A, hm.mul(bigInt("8"))); + Pright = babyJub.addPoint(sig.R8, Pright); + + if (!Pleft[0].equals(Pright[0])) return false; + if (!Pleft[1].equals(Pright[1])) return false; + return true; +} + +function verifyMiMCSponge(msg, sig, A) { + // Check parameters + if (typeof sig != "object") return false; + if (!Array.isArray(sig.R8)) return false; + if (sig.R8.length!= 2) return false; + if (!babyJub.inCurve(sig.R8)) return false; + if (!Array.isArray(A)) return false; + if (A.length!= 2) return false; + if (!babyJub.inCurve(A)) return false; + if (sig.S>= babyJub.subOrder) return false; + + const hm = mimcsponge.multiHash([sig.R8[0], sig.R8[1], A[0], A[1], msg]); + + const Pleft = babyJub.mulPointEscalar(babyJub.Base8, sig.S); + let Pright = babyJub.mulPointEscalar(A, hm.mul(bigInt("8"))); + Pright = babyJub.addPoint(sig.R8, Pright); + + if (!Pleft[0].equals(Pright[0])) return false; + if (!Pleft[1].equals(Pright[1])) return false; + return true; +} + +function packSignature(sig) { + const R8p = babyJub.packPoint(sig.R8); + const Sp = bigInt.leInt2Buff(sig.S, 32); + return Buffer.concat([R8p, Sp]); +} + +function unpackSignature(sigBuff) { + return { + R8: babyJub.unpackPoint(sigBuff.slice(0,32)), + S: bigInt.leBuff2int(sigBuff.slice(32,64)) + }; +} + + diff --git a/@tornado/circomlib/src/evmasm.js b/@tornado/circomlib/src/evmasm.js new file mode 100644 index 0000000..8bf223f --- /dev/null +++ b/@tornado/circomlib/src/evmasm.js @@ -0,0 +1,197 @@ +// Copyright (c) 2018 Jordi Baylina +// License: LGPL-3.0+ +// + + +const Web3Utils = require("web3-utils"); + +class Contract { + constructor() { + this.code = []; + this.labels = {}; + this.pendingLabels = {}; + } + + createTxData() { + let C; + + // Check all labels are defined + const pendingLabels = Object.keys(this.pendingLabels); + if (pendingLabels.length>0) { + throw new Error("Lables not defined: "+ pendingLabels.join(", ")); + } + + let setLoaderLength = 0; + let genLoadedLength = -1; + + while (genLoadedLength!=setLoaderLength) { + setLoaderLength = genLoadedLength; + C = new module.exports(); + C.codesize(); + C.push(setLoaderLength); + C.push(0); + C.codecopy(); + + C.push(this.code.length); + C.push(0); + C.return(); + genLoadedLength = C.code.length; + } + + return Web3Utils.bytesToHex(C.code.concat(this.code)); + } + + stop() { this.code.push(0x00); } + add() { this.code.push(0x01); } + mul() { this.code.push(0x02); } + sub() { this.code.push(0x03); } + div() { this.code.push(0x04); } + sdiv() { this.code.push(0x05); } + mod() { this.code.push(0x06); } + smod() { this.code.push(0x07); } + addmod() { this.code.push(0x08); } + mulmod() { this.code.push(0x09); } + exp() { this.code.push(0x0a); } + signextend() { this.code.push(0x0b); } + + lt() { this.code.push(0x10); } + gt() { this.code.push(0x11); } + slt() { this.code.push(0x12); } + sgt() { this.code.push(0x13); } + eq() { this.code.push(0x14); } + iszero() { this.code.push(0x15); } + and() { this.code.push(0x16); } + or() { this.code.push(0x17); } + shor() { this.code.push(0x18); } + not() { this.code.push(0x19); } + byte() { this.code.push(0x1a); } + + keccak() { this.code.push(0x20); } + sha3() { this.code.push(0x20); } // alias + + address() { this.code.push(0x30); } + balance() { this.code.push(0x31); } + origin() { this.code.push(0x32); } + caller() { this.code.push(0x33); } + callvalue() { this.code.push(0x34); } + calldataload() { this.code.push(0x35); } + calldatasize() { this.code.push(0x36); } + calldatacopy() { this.code.push(0x37); } + codesize() { this.code.push(0x38); } + codecopy() { this.code.push(0x39); } + gasprice() { this.code.push(0x3a); } + extcodesize() { this.code.push(0x3b); } + extcodecopy() { this.code.push(0x3c); } + returndatasize() { this.code.push(0x3d); } + returndatacopy() { this.code.push(0x3e); } + + blockhash() { this.code.push(0x40); } + coinbase() { this.code.push(0x41); } + timestamp() { this.code.push(0x42); } + number() { this.code.push(0x43); } + difficulty() { this.code.push(0x44); } + gaslimit() { this.code.push(0x45); } + + pop() { this.code.push(0x50); } + mload() { this.code.push(0x51); } + mstore() { this.code.push(0x52); } + mstore8() { this.code.push(0x53); } + sload() { this.code.push(0x54); } + sstore() { this.code.push(0x55); } + + _pushLabel(label) { + if (typeof this.labels[label] != "undefined") { + this.push(this.labels[label]); + } else { + this.pendingLabels[label] = this.pendingLabels[label] || []; + this.pendingLabels[label].push(this.code.length); + this.push("0x000000"); + } + } + + _fillLabel(label) { + if (!this.pendingLabels[label]) return; + + let dst = this.labels[label]; + + const dst3 = [dst >> 16, (dst >> 8) & 0xFF, dst & 0xFF]; + + this.pendingLabels[label].forEach((p) => { + for (let i=0; i<3; i++) { + this.code[p+i+1] = dst3[i]; + } + }); + + delete this.pendingLabels[label]; + } + + + jmp(label) { + if (typeof label !== "undefined") { + this._pushLabel(label); + } + this.code.push(0x56); + } + + jmpi(label) { + if (typeof label !== "undefined") { + this._pushLabel(label); + } + this.code.push(0x57); + } + + pc() { this.code.push(0x58); } + msize() { this.code.push(0x59); } + gas() { this.code.push(0x5a); } + label(name) { + if (typeof this.labels[name] != "undefined") { + throw new Error("Label already defined"); + } + this.labels[name] = this.code.length; + this.code.push(0x5b); + + this._fillLabel(name); + } + + push(data) { + const d = Web3Utils.hexToBytes(Web3Utils.toHex(data)); + if (d.length == 0 || d.length > 32) { + throw new Error("Assertion failed"); + } + this.code = this.code.concat([0x5F + d.length], d); + } + + dup(n) { + if (n < 0 || n >= 16) { + throw new Error("Assertion failed"); + } + this.code.push(0x80 + n); + } + + swap(n) { + if (n < 1 || n > 16) { + throw new Error("Assertion failed"); + } + this.code.push(0x8f + n); + } + + log0() { this.code.push(0xa0); } + log1() { this.code.push(0xa1); } + log2() { this.code.push(0xa2); } + log3() { this.code.push(0xa3); } + log4() { this.code.push(0xa4); } + + create() { this.code.push(0xf0); } + call() { this.code.push(0xf1); } + callcode() { this.code.push(0xf2); } + return() { this.code.push(0xf3); } + delegatecall() { this.code.push(0xf4); } + + staticcall() { this.code.push(0xfa); } + revert() { this.code.push(0xfd); } + invalid() { this.code.push(0xfe); } + selfdestruct() { this.code.push(0xff); } +} + +module.exports = Contract; + diff --git a/@tornado/circomlib/src/g2_gencontract.js b/@tornado/circomlib/src/g2_gencontract.js new file mode 100644 index 0000000..5371665 --- /dev/null +++ b/@tornado/circomlib/src/g2_gencontract.js @@ -0,0 +1,583 @@ +// Copyright (c) 2018 Jordi Baylina +// License: LGPL-3.0+ +// + +const Contract = require("./evmasm"); +const G2 = require("@tornado/snarkjs").bn128.G2; +const bigInt = require("@tornado/snarkjs").bigInt; + + +function toHex256(a) { + let S = a.toString(16); + while (S.length < 64) S="0"+S; + return "0x" + S; +} + +function createCode(P, w) { + + const C = new Contract(); + + const NPOINTS = 1 << (w-1); + + const VAR_POS = C.allocMem(32); + const VAR_POINTS = C.allocMem( (NPOINTS)*4*32); + const savedP = C.allocMem(32); + const savedZ3 = C.allocMem(32); + + // Check selector + C.push("0x0100000000000000000000000000000000000000000000000000000000"); + C.push(0); + C.calldataload(); + C.div(); + C.push("b65c7c74"); // mulexp(uint256) + C.eq(); + C.jmpi("start"); + C.invalid(); + + C.label("start"); + + storeVals(); + + C.push( Math.floor(255/w)*w ); // pos := 255 + C.push(VAR_POS); + C.mstore(); + + C.push("21888242871839275222246405745257275088696311157297823662689037894645226208583"); + C.push(0); + C.push(0); + C.push(0); + C.push(0); + C.push(0); + C.push(0); + + C.label("begin_loop"); // ACC_X ACC_Y ACC_Z q + + C.internalCall("double"); + + // g = (e>>pos)&MASK + C.push(4); + C.calldataload(); // e ACC_X ACC_Y ACC_Z q + + C.push(VAR_POS); + C.mload(); // pos e ACC_X ACC_Y ACC_Z q + C.shr(); + + C.push(NPOINTS-1); + C.and(); // g ACC_X ACC_Y ACC_Z q + + C.internalCall("add"); // acc_x acc_y acc_z + + C.push(VAR_POS); + C.mload(); // pos acc_x acc_y acc_z + C.dup(0); // pos pos acc_x acc_y acc_z + C.push(0); // 0 pos pos acc_x acc_y acc_z + C.eq(); // eq pos acc_x acc_y acc_z + C.jmpi("after_loop"); // pos acc_x acc_y acc_z + C.push(w); // 5 pos acc_x acc_y acc_z + C.sub(); // pos acc_x acc_y acc_z + C.push(VAR_POS); + C.mstore(); // acc_x acc_y acc_z + C.jmp("begin_loop"); + C.label("after_loop"); // pos acc_x acc_y acc_z + C.pop(); // acc_x acc_y acc_z + + C.internalCall("affine"); // acc_x acc_y + + C.push(0); + C.mstore(); + C.push(20); + C.mstore(); + C.push(40); + C.mstore(); + C.push(60); + C.mstore(); + + C.push("0x80"); + C.push("0x00"); + C.return(); + + + double(); + addPoint(); + affine(); + + return C.createTxData(); + + function add(a,b,q) { + C.dup(q); + C.dup(a+1 + 1); + C.dup(b+1 + 2); + C.addmod(); + C.dup(q + 1); + C.dup(a + 2); + C.dup(b + 3); + C.addmod(); + } + + function sub(a,b,q) { + C.dup(q); // q + C.dup(a+1 + 1); // ai q + C.dub(q + 2); // q ai q + C.dup(b+1 + 3); // bi q ai q + C.sub(); // -bi ai q + C.addmod(); // ci + C.dup(q + 1); // q ci + C.dup(a + 2); // ar q ci + C.dup(q + 3); // q ar q ci + C.dup(b + 4); // br q ar q ci + C.sub(); // -br ar q ci + C.addmod(); // cr ci + } + + function mul(a, b, q) { + C.dup(q); // q + C.dup(q + 1); // q q + C.dup(a + 2); // ar q q + C.dup(b+1 + 3); // bi ar q q + C.mulmod(); // ci1 q + C.dup(q + 2); // q ci1 q + C.dup(a+1 + 3); // ai q ci1 q + C.dup(b + 4); // ar ai q ci1 q + C.mulmod(); // ci2 ci1 q + C.addmod(); // ci + C.dup(q + 1); // q ci + C.dup(q + 2); // q q ci + C.dup(q + 3); // q q q ci + C.dup(a+1 + 4); // ai q q ci + C.dup(b+1 + 5); // bi ai q q ci + C.mulmod(); // cr2 q q ci + C.sub(); // -cr2 q ci + C.dup(q + 3); // q -cr2 q ci + C.dup(a + 4); // ar q -cr2 q ci + C.dup(b + 5); // br ar q -cr2 q ci + C.mulmod(); // cr1 -cr2 q ci + C.addmod(); // cr ci + } + + function square(a, q) { + C.dup(q); // q + C.dup(q + 1); // q q + C.dup(a + 2); // ar q q + C.dup(a+1 + 3); // ai ar q q + C.mulmod(); // arai q + C.dup(0); // arai arai q + C.addmod(); // ci + C.dup(q + 1); // q ci + C.dup(q + 2); // q q ci + C.dup(q + 3); // q q q ci + C.dup(a+1 + 4); // ai q q ci + C.dup(a+1 + 5); // ai ai q q ci + C.mulmod(); // cr2 q q ci + C.sub(); // -cr2 q ci + C.dup(q + 3); // q -cr2 q ci + C.dup(a + 4); // ar q -cr2 q ci + C.dup(a + 5); // br ar q -cr2 q ci + C.mulmod(); // cr1 -cr2 q ci + C.addmod(); // cr ci + } + + function add1(a, q) { + C.dup(a+1); // im + C.dup(1 + q); // q + C.dup(2 + a); // re q im + C.push(1); // 1 re q im + C.addmod(); + } + + function cmp(a, b) { + C.dup(a); + C.dup(b); + C.eq(); + C.dup(a+1); + C.dup(a+1); + C.and(); + } + + function rm(a) { + if (a>0) C.swap(a); + C.pop(); + if (a>0) C.swap(a); + C.pop(); + } + + function double() { + C.label("double"); // xR, xI, yR, yI, zR zI, q + + C.dup(4); + C.iszero(); + C.dup(6); + C.iszero(); + C.and(); + C.jumpi("enddouble"); // X Y Z q + + + // Z3 = 2*Y*Z // Remove Z + mul(2, 4, 6); // yz X Y Z q + rm(6); // X Y yz q + + add(4, 4, 6); // 2yz X Y yz q + rm(6); // X Y Z3 q + + // A = X^2 + square(0,6); // A X Y Z3 q + + // B = Y^2 // Remove Y + square(4,8); // B A X Y Z3 q + rm(6); // A X B Z3 q + + // C = B^2 + square(4,8); // C A X B Z3 q + + // D = (X+B)^2-A-C // Remove X, Remove B + add(4,6, 10); // X+B C A X B Z3 q + rm(6); // C A X+B B Z3 q + rm(6); // A X+B C Z3 q + square(2,8); // (X+B)^2 A X+B C Z3 q + rm(4); // A (X+B)^2 C Z3 q + sub(2, 0, 8); // (X+B)^2-A A (X+B)^2 C Z3 q + rm(4); // A (X+B)^2-A C Z3 q + sub(2, 4, 8); // (X+B)^2-A-C A (X+B)^2-A C Z3 q + rm(4); // A D C Z3 q + + // D = D+D + add(2,2, 8); // D+D A D C Z3 q + rm(4); // A D C Z3 q + + // E=A+A+A + add(0, 0, 8); // 2A A D C Z3 q + add(0, 2, 10); // 3A 2A A D C Z3 q + rm(4); // 2A 3A D C Z3 q + rm(0); // E D C Z3 q + + // F=E^2 + square(0, 8); // F E D C Z3 q + + // X3= F - 2*D // Remove F + add(4, 4, 10); // 2D F E D C Z3 q + sub(2, 0, 12); // F-2D 2D F E D C Z3 q + rm(4); // 2D X3 E D C Z3 q + rm(0); // X3 E D C Z3 q + + // Y3 = E * (D - X3) - 8 * C // Remove D C E + + sub(4, 0, 10); // D-X3 X3 E D C Z3 q + rm(6); // X3 E D-X3 C Z3 q + mul(2, 4, 10); // E*(D-X3) X3 E D-X3 C Z3 q + rm(6); // X3 E E*(D-X3) C Z3 q + rm(2); // X3 E*(D-X3) C Z3 q + add(4, 4, 8); // 2C X3 E*(D-X3) C Z3 q + rm(6); // X3 E*(D-X3) 2C Z3 q + add(4, 4, 8); // 4C X3 E*(D-X3) 2C Z3 q + rm(6); // X3 E*(D-X3) 4C Z3 q + add(4, 4, 8); // 8C X3 E*(D-X3) 4C Z3 q + rm(6); // X3 E*(D-X3) 8C Z3 q + sub(2, 4, 8); // E*(D-X3)-8C X3 E*(D-X3) 8C Z3 q + rm(6); // X3 E*(D-X3) Y3 Z3 q + rm(2); // X3 Y3 Z3 q + + C.label("enddouble"); + C.returnCall(); + } + + function addPoint() { // p, xR, xI, yR, yI, zR zI, q + + + C.dup(0); // p p X2 Y2 Z2 q + + C.push(savedP); + C.mstore(); + + C.iszero(); // X2 Y2 Z2 q + C.jumpi("endpadd"); + + + C.dup(4); + C.iszero(); + C.dup(6); + C.iszero(); + C.and(); + C.jumpi("returnP"); // X2 Y2 Z2 q + + + + // lastZ3 = (Z2+1)^2 - Z2^2 + add1(4, 6); // Z2+1 X2 Y2 Z2 q + square(0, 8); // (Z2+1)^2 Z2+1 X2 Y2 Z2 q + rm(2); // (Z2+1)^2 X2 Y2 Z2 q + square(6, 8); // Z2^2 (Z2+1)^2 X2 Y2 Z2 q + + + sub(2, 0, 10); // (Z2+1)^2-Z2^2 Z2^2 (Z2+1)^2 X2 Y2 Z2 q + + saveZ3(); // Z2^2 (Z2+1)^2 X2 Y2 Z2 q + rm(2); // Z2^2 X2 Y2 Z2 q + + // U2 = X2 + // S2 = Y2 // Z2^2 U2 S2 Z2 q + + + // U1 = X1 * Z2^2 + loadX(); // X1 Z2^2 U2 S2 Z2 q + mul(0, 2, 10); // X1*Z2^2 X1 Z2^2 U2 S2 Z2 q + rm(2); // X1*Z2^2 Z2^2 U2 S2 Z2 q + + + mul(2, 8, 10); // Z2^3 U1 Z2^2 U2 S2 Z2 q + rm(4); // U1 Z2^3 U2 S2 Z2 q + rm(8); // Z2^3 U2 S2 U1 q + + // S1 = Y1 * Z1^3 + loadY(); // Y1 Z2^3 U2 S2 U1 q + mul(0, 2, 10); // S1 Y1 Z2^3 U2 S2 U1 q + rm(4); // Y1 S1 U2 S2 U1 q + rm(0); // S1 U2 S2 U1 q + + cmp(0, 4); // c1 S1 U2 S2 U1 q + cmp(3, 7); // c2 c1 S1 U2 S2 U1 q + C.and(); // c2&c1 S1 U2 S2 U1 q + C.jumpi("double1"); // S1 U2 S2 U1 q + + + // Returns the double + + // H = U2-U1 // Remove U2 + C.sub(4, 8, 10); // H S1 U2 S2 U1 q + rm(4); // S1 H S2 U1 q + + // // r = 2 * (S2-S1) // Remove S2 + C.sub(4, 4, 8); // S1-S2 S1 H S2 U1 q + rm(6); // S1 H S1-S2 U1 q + C.add(4, 4, 8); // 2*(S1-S2) S1 H S1-S2 U1 q + rm(6); // S1 H r U1 q + + // I = (2 * H)^2 + C.add(2, 2, 8); // 2*H S1 H r U1 q + C.square(0, 10); // (2*H)^2 2*H S1 H r U1 q + rm(2); // I S1 H r U1 q + + // V = U1 * I + mul(8, 0, 10); // V I S1 H r U1 q + rm(10); // I S1 H r V q + + // J = H * I // Remove I + mul(4, 0, 10); // J I S1 H r V q + rm(2); // J S1 H r V q + + // X3 = r^2 - J - 2 * V + + // S1J2 = (S1*J)*2 // Remove S1 + mul(2, 0, 10); // S1*J J S1 H r V q + rm(4); // J S1*J H r V q + add(2,2, 10); // (S1*J)*2 J S1*J H r V q + rm(4); // J S1J2 H r V q + + // X3 = r^2 - J - 2 * V + square(6, 10); // r^2 J S1J2 H r V q + sub(0, 2, 12); // r^2-J r^2 J S1J2 H r V q + rm(2); // r^2-J J S1J2 H r V q + rm(2); // r^2-J S1J2 H r V q + add(8, 8, 10); // 2*V r^2-J S1J2 H r V q + sub(2, 0, 12); // r^2-J-2*V 2*V r^2-J S1J2 H r V q + rm(4); // 2*V X3 S1J2 H r V q + rm(0); // X3 S1J2 H r V q + + // Y3 = r * (V-X3)-S1J2 + + sub(8, 0, 10); // V-X3 X3 S1J2 H r V q + rm(10); // X3 S1J2 H r V-X3 q + mul(6, 8, 10); // r*(V-X3) X3 S1J2 H r V-X3 q + rm(8); // X3 S1J2 H r*(V-X3) V-X3 q + rm(8); // S1J2 H r*(V-X3) X3 q + sub(4, 0, 8); // Y3 S1J2 H r*(V-X3) X3 q + rm(6); // S1J2 H Y3 X3 q + rm(0); // H Y3 X3 q + + // Z3 = lastZ * H + loadZ3(); // lastZ3 H Y3 X3 q + mul(0, 2, 8); // Z3 lastZ3 H Y3 X3 q + rm(4); // lastZ3 Z3 Y3 X3 q + rm(0); // Z3 Y3 X3 q + + C.swap(1); + C.swap(5); + C.swap(1); + C.swap(4); // X3 Y3 Z3 q + + // returns the point in memory + C.label("returnP"); // X Y Z q + rm(0); + rm(0); + rm(0); + C.push(0); + C.push(1); + loadX(); + loadY(); + C.jump("endpadd"); + + C.label("double1"); // S1 U2 S2 U1 q + rm(0); + rm(0); + rm(0); + rm(0); + C.push(0); + C.push(1); + loadX(); + loadY(); + C.jump("double"); + + C.label("endpadd"); + C.returnCall(); + + function loadX() { + C.push(savedP); + C.mload(); // p + C.push(32); + C.mul(); // P*32 + C.push(VAR_POINTS+32); + C.add(); // P*32+32 + C.dup(); // P*32+32 P*32+32 + C.mload(); // im P*32+32 + C.swap(1); // P*32+32 im + C.push(0x20); // 32 P*32+32 im + C.sub(); // P*32 im + C.mload(); // re im + } + + function loadY() { + C.push(savedP); + C.mload(); // p + C.push(32); + C.mul(); // P*32 + C.push(VAR_POINTS+32*3); + C.add(); // P*32+32 + C.dup(); // P*32+32 P*32+32 + C.mload(); // im P*32+32 + C.swap(1); // P*32+32 im + C.push(0x20); // 32 P*32+32 im + C.sub(); // P*32 im + C.mload(); // re im + } + + function loadZ3() { + C.push(savedZ3+32); + C.mload(); // p + C.push(savedZ3); + C.mload(); + } + + function saveZ3() { + C.push(savedZ3); + C.mstore(); + C.push(savedZ3+32); + C.mstore(); + } + } + + function affine() { // X Y Z q + // If Z2=0 return 0 + C.label("affine"); + C.dup(4); + C.dup(5 + 1); + C.or(); + C.jumpi("notZero"); // X Y Z q + rm(0); + rm(0); + C.push(0); + C.push(0); + + C.jmp("endAffine"); + C.label("notZero"); + + inverse2(4,6); // Z_inv X Y Z q + square(2, 8); // Z2_inv Z_inv X Y Z q + mul(0, 2, 10); // Z3_inv Z2_inv Z_inv X Y Z q + rm(4); // Z2_inv Z3_inv X Y Z q + C.push(1); + C.push(0); // 1 Z2_inv Z3_inv X Y Z q + rm(10); // Z2_inv Z3_inv X Y 1 q + mul(2, 6, 10); // YI Z2_inv Z3_inv X Y 1 q + rm(8); // Z2_inv Z3_inv X YI 1 q + mul(0, 4, 10); // XI Z2_inv Z3_inv X YI 1 q + rm(6); // Z2_inv Z3_inv XI YI 1 q + rm(0); // Z3_inv XI YI 1 q + rm(0); // XI YI 1 q + C.label("endAffine"); + C.returnCall(); + } + + function inverse2(a, q) { + C.dup(q); // q + C.dup(q + 1); // q q + C.push(2); // 2 q q + C.sub(); // q-2 q + C.dup(q + 2); // q q-2 q + C.dup(q + 3); // q q q-2 q + C.dup(a + 4); // ar q q q-2 q + C.dup(a + 5); // ar ar q q q-2 q + C.mulmod(); // t0 q q-2 q + + C.dup(q + 4); // q t0 q q-2 q + C.dup(a+1 + 5); // ai q t0 q q-2 q + C.dup(a+1 + 6); // ai ai q t0 q q-2 q + C.mulmod(); // t1 t0 q q-2 q + + C.addmod(); // t2 q-2 q + C.expmod(); // t3 + + C.dup(q + 1); // q t3 + C.dup(q + 2); // q q t3 + C.dup(q + 3); // q q q t3 + C.dup(1); // t3 q q q t3 + C.sub(); // -t3 q q t3 + C.dup(a+1 + 3); // ai -t3 q q t3 + C.mulmod(); // ii q t3 + C.swap(2); // t3 q ii + C.dup(a + 3); // ar t3 q ii + C.mulmod(); // ir ii + } + + function storeVals() { + C.push(VAR_POINTS); // p + for (let i=0; i { + if (typeof seed === "undefined") seed = SEED; + const c = Web3Utils.keccak256(seed+"_iv"); + const cn = bigInt(Web3Utils.toBN(c).toString()); + const iv = cn.mod(F.q); + return iv; +}; + +exports.getConstants = (seed, nRounds) => { + if (typeof seed === "undefined") seed = SEED; + if (typeof nRounds === "undefined") nRounds = NROUNDS; + const cts = new Array(nRounds); + let c = Web3Utils.keccak256(SEED); + for (let i=1; i{ + const x_in = bigInt(_x_in); + const k = bigInt(_k); + let r; + for (let i=0; i { + let r; + if (typeof(key) === "undefined") { + r = F.zero; + } else { + r = key; + } + for (let i=0; i { + if (typeof seed === "undefined") seed = SEED; + const c = Web3Utils.keccak256(seed+"_iv"); + const cn = bigInt(Web3Utils.toBN(c).toString()); + const iv = cn.mod(F.q); + return iv; +}; + +exports.getConstants = (seed, nRounds) => { + if (typeof seed === "undefined") seed = SEED; + if (typeof nRounds === "undefined") nRounds = NROUNDS; + const cts = new Array(nRounds); + let c = Web3Utils.keccak256(SEED); + for (let i=1; i{ + let xL = bigInt(_xL_in); + let xR = bigInt(_xR_in); + const k = bigInt(_k); + for (let i=0; i { + if (typeof(numOutputs) === "undefined") { + numOutputs = 1; + } + if (typeof(key) === "undefined") { + key = F.zero; + } + + let R = F.zero; + let C = F.zero; + + for (let i=0; i F.affine(x)); + } +}; diff --git a/@tornado/circomlib/src/mimcsponge_gencontract.js b/@tornado/circomlib/src/mimcsponge_gencontract.js new file mode 100644 index 0000000..1fd5bb1 --- /dev/null +++ b/@tornado/circomlib/src/mimcsponge_gencontract.js @@ -0,0 +1,116 @@ +// Copyright (c) 2018 Jordi Baylina +// License: LGPL-3.0+ +// + +const Web3Utils = require("web3-utils"); + +const Contract = require("./evmasm"); + +function createCode(seed, n) { + + let ci = Web3Utils.keccak256(seed); + + const C = new Contract(); + + C.push(0x64); + C.push("0x00"); + C.push("0x00"); + C.calldatacopy(); + C.push("0x0100000000000000000000000000000000000000000000000000000000"); + C.push("0x00"); + C.mload(); + C.div(); + C.push("0xf47d33b5"); // MiMCSponge(uint256,uint256) + C.eq(); + C.jmpi("start"); + C.invalid(); + + C.label("start"); + C.push("0x30644e72e131a029b85045b68181585d2833e84879b9709143e1f593f0000001"); // q + C.push("0x04"); + C.mload(); // xL q + C.dup(1); // q xL q + C.push("0x24"); + C.mload(); // xR q xL q + C.dup(1); // q xR q xL q + C.dup(3); // xL q xR q xL q + C.dup(1); // q xL q xR q xL q + C.dup(0); // q q xL q xR q xL q + C.dup(2); // xL q q xL q xR q xL q + C.dup(0); // xL xL q q xL q xR q xL q + C.mulmod(); // b=xL^2 q xL q xR q xL q + C.dup(0); // b b q xL q xR q xL q + C.mulmod(); // c=xL^4 xL q xR q xL q + C.mulmod(); // d=xL^5 xR q xL q + C.addmod(); // e=xL^5+xR xL q (for next round: xL xR q) + + for (let i=0; i { + if (typeof seed === "undefined") seed = SEED; + if (typeof nRounds === "undefined") nRounds = NROUNDSF + NROUNDSP; + if (typeof t === "undefined") t = T; + let nonce = "0000"; + let cmatrix = getPseudoRandom(seed+"_matrix_"+nonce, t*2); + while (!allDifferent(cmatrix)) { + nonce = (Number(nonce)+1)+""; + while(nonce.length<4) nonce = "0"+nonce; + cmatrix = getPseudoRandom(seed+"_matrix_"+nonce, t*2); + } + + const M = new Array(t); + for (let i=0; i { + if (typeof seed === "undefined") seed = SEED; + if (typeof nRounds === "undefined") nRounds = NROUNDSF + NROUNDSP; + if (typeof t === "undefined") t = T; + const cts = getPseudoRandom(seed+"_constants", nRounds); + return cts; +}; + +function ark(state, c) { + for (let j=0; j { + + if (typeof seed === "undefined") seed = SEED; + if (typeof nRoundsF === "undefined") nRoundsF = NROUNDSF; + if (typeof nRoundsP === "undefined") nRoundsP = NROUNDSP; + if (typeof t === "undefined") t = T; + + assert(nRoundsF % 2 == 0); + const C = exports.getConstants(t, seed, nRoundsF + nRoundsP); + const M = exports.getMatrix(t, seed, nRoundsF + nRoundsP); + return function(inputs) { + let state = []; + assert(inputs.length <= t); + assert(inputs.length > 0); + for (let i=0; i= nRoundsF/2 + nRoundsP)) { + for (let j=0; j=nRoundsP+nRoundsF/2)) { + for (let j=0; j=0; level--) { + let oldNode, newNode; + const sibling = resFind.siblings[level]; + if (keyBits[level]) { + oldNode = [sibling, rtOld]; + newNode = [sibling, rtNew]; + } else { + oldNode = [rtOld, sibling]; + newNode = [rtNew, sibling]; + } + rtOld = hash0(oldNode[0], oldNode[1]); + rtNew = hash0(newNode[0], newNode[1]); + dels.push(rtOld); + ins.push([rtNew, newNode]); + } + + res.newRoot = rtNew; + + await this.db.multiIns(ins); + await this.db.setRoot(rtNew); + this.root = rtNew; + await this.db.multiDel(dels); + + return res; + } + + async delete(_key) { + const key = bigInt(_key); + + const resFind = await this.find(key); + if (!resFind.found) throw new Error("Key does not exists"); + + const res = { + siblings: [], + delKey: key, + delValue: resFind.foundValue + }; + + const dels = []; + const ins = []; + let rtOld = hash1(key, resFind.foundValue); + let rtNew; + dels.push(rtOld); + + let mixed; + if (resFind.siblings.length > 0) { + const record = await this.db.get(resFind.siblings[resFind.siblings.length - 1]); + if ((record.length == 3)&&(record[0].equals(bigInt.one))) { + mixed = false; + res.oldKey = record[1]; + res.oldValue = record[2]; + res.isOld0 = false; + rtNew = resFind.siblings[resFind.siblings.length - 1]; + } else if (record.length == 2) { + mixed = true; + res.oldKey = key; + res.oldValue = bigInt(0); + res.isOld0 = true; + rtNew = bigInt.zero; + } else { + throw new Error("Invalid node. Database corrupted"); + } + } else { + rtNew = bigInt.zero; + res.oldKey = key; + res.oldValue = bigInt(0); + res.isOld0 = true; + } + + const keyBits = this._splitBits(key); + + for (let level = resFind.siblings.length-1; level >=0; level--) { + let newSibling = resFind.siblings[level]; + if ((level == resFind.siblings.length-1)&&(!res.isOld0)) { + newSibling = bigInt.zero; + } + const oldSibling = resFind.siblings[level]; + if (keyBits[level]) { + rtOld = hash0(oldSibling, rtOld); + } else { + rtOld = hash0(rtOld, oldSibling); + } + dels.push(rtOld); + if (!newSibling.isZero()) { + mixed = true; + } + + if (mixed) { + res.siblings.unshift(resFind.siblings[level]); + let newNode; + if (keyBits[level]) { + newNode = [newSibling, rtNew]; + } else { + newNode = [rtNew, newSibling]; + } + rtNew = hash0(newNode[0], newNode[1]); + ins.push([rtNew, newNode]); + } + } + + await this.db.multiIns(ins); + await this.db.setRoot(rtNew); + this.root = rtNew; + await this.db.multiDel(dels); + + res.newRoot = rtNew; + res.oldRoot = rtOld; + + return res; + } + + async insert(_key, _value) { + const key = bigInt(_key); + const value = bigInt(_value); + let addedOne = false; + const res = {}; + res.oldRoot = this.root; + const newKeyBits = this._splitBits(key); + + let rtOld; + + const resFind = await this.find(key); + + if (resFind.found) throw new Error("Key already exists"); + + res.siblings = resFind.siblings; + let mixed; + + if (!resFind.isOld0) { + const oldKeyits = this._splitBits(resFind.notFoundKey); + for (let i= res.siblings.length; oldKeyits[i] == newKeyBits[i]; i++) { + res.siblings.push(bigInt.zero); + } + rtOld = hash1(resFind.notFoundKey, resFind.notFoundValue); + res.siblings.push(rtOld); + addedOne = true; + mixed = false; + } else if (res.siblings.length >0) { + mixed = true; + rtOld = bigInt.zero; + } + + const inserts = []; + const dels = []; + + let rt = hash1(key, value); + inserts.push([rt,[1, key, value]] ); + + for (let i=res.siblings.length-1; i>=0; i--) { + if ((i0) && (res.siblings[res.siblings.length-1].isZero())) { + res.siblings.pop(); + } + res.oldKey = resFind.notFoundKey; + res.oldValue = resFind.notFoundValue; + res.newRoot = rt; + res.isOld0 = resFind.isOld0; + + + await this.db.multiIns(inserts); + await this.db.setRoot(rt); + this.root = rt; + await this.db.multiDel(dels); + + return res; + } + + async find(key) { + const keyBits = this._splitBits(key); + return await this._find(key, keyBits, this.root, 0); + } + + async _find(key, keyBits, root, level) { + if (typeof root === "undefined") root = this.root; + + let res; + if (root.isZero()) { + res = { + found: false, + siblings: [], + notFoundKey: key, + notFoundValue: bigInt.zero, + isOld0: true + }; + return res; + } + + const record = await this.db.get(root); + + if ((record.length==3)&&(record[0].equals(bigInt.one))) { + if (record[1].equals(key)) { + res = { + found: true, + siblings: [], + foundValue: record[2], + isOld0: false + }; + } else { + res = { + found: false, + siblings: [], + notFoundKey: record[1], + notFoundValue: record[2], + isOld0: false + }; + } + } else { + if (keyBits[level] == 0) { + res = await this._find(key, keyBits, record[0], level+1); + res.siblings.unshift(record[1]); + } else { + res = await this._find(key, keyBits, record[1], level+1); + res.siblings.unshift(record[0]); + } + } + return res; + } +} + +async function loadFromFile(fileName) { + +} + +async function newMemEmptyTrie() { + const db = new SMTMemDB(); + const rt = await db.getRoot(); + const smt = new SMT(db, rt); + return smt; +} + +module.exports.loadFromFile = loadFromFile; +module.exports.newMemEmptyTrie = newMemEmptyTrie; +module.exports.SMT = SMT; +module.exports.SMTMemDB = SMTMemDB; diff --git a/@tornado/circomlib/src/smt_hashes_mimc.js b/@tornado/circomlib/src/smt_hashes_mimc.js new file mode 100644 index 0000000..a68fd41 --- /dev/null +++ b/@tornado/circomlib/src/smt_hashes_mimc.js @@ -0,0 +1,10 @@ +const mimc7 = require("./mimc7"); +const bigInt = require("@tornado/snarkjs").bigInt; + +exports.hash0 = function (left, right) { + return mimc7.multiHash(left, right); +}; + +exports.hash1 = function(key, value) { + return mimc7.multiHash([key, value], bigInt.one); +}; diff --git a/@tornado/circomlib/src/smt_hashes_poseidon.js b/@tornado/circomlib/src/smt_hashes_poseidon.js new file mode 100644 index 0000000..2c4c7b3 --- /dev/null +++ b/@tornado/circomlib/src/smt_hashes_poseidon.js @@ -0,0 +1,12 @@ +const Poseidon = require("./poseidon"); +const bigInt = require("@tornado/snarkjs").bigInt; + +const hash = Poseidon.createHash(6, 8, 57); + +exports.hash0 = function (left, right) { + return hash([left, right]); +}; + +exports.hash1 = function(key, value) { + return hash([key, value, bigInt.one]); +}; diff --git a/@tornado/circomlib/src/smt_memdb.js b/@tornado/circomlib/src/smt_memdb.js new file mode 100644 index 0000000..da194f4 --- /dev/null +++ b/@tornado/circomlib/src/smt_memdb.js @@ -0,0 +1,58 @@ +const bigInt = require("@tornado/snarkjs").bigInt; + +class SMTMemDb { + constructor() { + this.nodes = {}; + this.root = bigInt(0); + } + + async getRoot() { + return this.root; + } + + _key2str(k) { + // const keyS = bigInt(key).leInt2Buff(32).toString("hex"); + const keyS = bigInt(k).toString(); + return keyS; + } + + _normalize(n) { + for (let i=0; i { + let circuit; + before( async() => { + const cirDef = await compiler(path.join(__dirname, "circuits", "aliascheck_test.circom")); + + circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains: " + circuit.nConstraints); + }); + + it("Satisfy the aliastest 0", async () => { + const inp = getBits(bigInt.zero, 254); + circuit.calculateWitness({in: inp}); + }); + + it("Satisfy the aliastest 3", async () => { + const inp = getBits(bigInt(3), 254); + circuit.calculateWitness({in: inp}); + }); + + it("Satisfy the aliastest q-1", async () => { + const inp = getBits(q.sub(bigInt.one), 254); + circuit.calculateWitness({in: inp}); + }); + + it("Nhot not satisfy an input of q", async () => { + const inp = getBits(q, 254); + try { + circuit.calculateWitness({in: inp}); + assert(false); + } catch(err) { + assert(/Constraint\sdoesn't\smatch(.*)1\s!=\s0/.test(err.message) ); + assert(err.message.indexOf("1 != 0") >= 0); + } + }); + + it("Nhot not satisfy all ones", async () => { + + const inp = getBits(bigInt(1).shl(254).sub(bigInt(1)), 254); + try { + circuit.calculateWitness({in: inp}); + assert(false); + } catch(err) { + assert(/Constraint\sdoesn't\smatch(.*)1\s!=\s0/.test(err.message) ); + assert(err.message.indexOf("1 != 0") >= 0); + } + }); + +}); diff --git a/@tornado/circomlib/test/aliascheckbabyjub.js b/@tornado/circomlib/test/aliascheckbabyjub.js new file mode 100644 index 0000000..7d88479 --- /dev/null +++ b/@tornado/circomlib/test/aliascheckbabyjub.js @@ -0,0 +1,75 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); + +const assert = chai.assert; + +const bigInt = snarkjs.bigInt; + +function print(circuit, w, s) { + console.log(s + ": " + w[circuit.getSignalIdx(s)]); +} + +function getBits(v, n) { + const res = []; + for (let i=0; i { + let circuit; + before( async() => { + const cirDef = await compiler(path.join(__dirname, "circuits", "aliascheckbabyjub_test.circom")); + + circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains: " + circuit.nConstraints); + }); + + it("Satisfy the aliastest 0", async () => { + const inp = getBits(bigInt.zero, 251); + circuit.calculateWitness({in: inp}); + }); + + it("Satisfy the aliastest 3", async () => { + const inp = getBits(bigInt(3), 251); + circuit.calculateWitness({in: inp}); + }); + + it("Satisfy the aliastest r-1", async () => { + const inp = getBits(r.sub(bigInt.one), 251); + circuit.calculateWitness({in: inp}); + }); + + it("Nhot not satisfy an input of r", async () => { + const inp = getBits(r, 251); + try { + circuit.calculateWitness({in: inp}); + assert(false); + } catch(err) { + assert(err.message.indexOf("Constraint doesn't match") >= 0); + assert(err.message.indexOf("1 != 0") >= 0); + } + }); + + it("Nhot not satisfy all ones", async () => { + const inp = getBits(bigInt(1).shl(251).sub(bigInt(1)), 251); + try { + circuit.calculateWitness({in: inp}); + assert(false); + } catch(err) { + assert(err.message.indexOf("Constraint doesn't match") >= 0); + assert(err.message.indexOf("1 != 0") >= 0); + } + }); + +}); diff --git a/@tornado/circomlib/test/babyjub.js b/@tornado/circomlib/test/babyjub.js new file mode 100644 index 0000000..608bbe6 --- /dev/null +++ b/@tornado/circomlib/test/babyjub.js @@ -0,0 +1,126 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); + +const createBlakeHash = require("blake-hash"); +const eddsa = require("../src/eddsa.js"); + +const assert = chai.assert; + +const bigInt = require("@tornado/snarkjs").bigInt; + +describe("Baby Jub test", function () { + let circuitAdd; + let circuitTest; + + this.timeout(100000); + + before( async() => { + const cirDefAdd = await compiler(path.join(__dirname, "circuits", "babyadd_tester.circom")); + circuitAdd = new snarkjs.Circuit(cirDefAdd); + console.log("NConstrains BabyAdd: " + circuitAdd.nConstraints); + + const cirDefTest = await compiler(path.join(__dirname, "circuits", "babycheck_test.circom")); + circuitTest = new snarkjs.Circuit(cirDefTest); + console.log("NConstrains BabyTest: " + circuitTest.nConstraints); + + const cirDefPbk = await compiler(path.join(__dirname, "circuits", "babypbk_test.circom")); + circuitPbk = new snarkjs.Circuit(cirDefPbk); + console.log("NConstrains BabyPbk: " + circuitPbk.nConstraints); + + }); + + it("Should add point (0,1) and (0,1)", async () => { + + const input={ + x1: snarkjs.bigInt(0), + y1: snarkjs.bigInt(1), + x2: snarkjs.bigInt(0), + y2: snarkjs.bigInt(1) + }; + + const w = circuitAdd.calculateWitness(input); + + const xout = w[circuitAdd.getSignalIdx("main.xout")]; + const yout = w[circuitAdd.getSignalIdx("main.yout")]; + + assert(xout.equals(0)); + assert(yout.equals(1)); + }); + + it("Should add 2 same numbers", async () => { + + const input={ + x1: snarkjs.bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"), + y1: snarkjs.bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"), + x2: snarkjs.bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"), + y2: snarkjs.bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475") + }; + + const w = circuitAdd.calculateWitness(input); + + const xout = w[circuitAdd.getSignalIdx("main.xout")]; + const yout = w[circuitAdd.getSignalIdx("main.yout")]; + + assert(xout.equals(snarkjs.bigInt("6890855772600357754907169075114257697580319025794532037257385534741338397365"))); + assert(yout.equals(snarkjs.bigInt("4338620300185947561074059802482547481416142213883829469920100239455078257889"))); + }); + + it("Should add 2 different numbers", async () => { + + const input={ + x1: snarkjs.bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"), + y1: snarkjs.bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"), + x2: snarkjs.bigInt("16540640123574156134436876038791482806971768689494387082833631921987005038935"), + y2: snarkjs.bigInt("20819045374670962167435360035096875258406992893633759881276124905556507972311") + }; + + const w = circuitAdd.calculateWitness(input); + + const xout = w[circuitAdd.getSignalIdx("main.xout")]; + const yout = w[circuitAdd.getSignalIdx("main.yout")]; + + /* + console.log(xout.toString()); + console.log(yout.toString()); + */ + + assert(xout.equals(snarkjs.bigInt("7916061937171219682591368294088513039687205273691143098332585753343424131937"))); + assert(yout.equals(snarkjs.bigInt("14035240266687799601661095864649209771790948434046947201833777492504781204499"))); + }); + + it("Should check 0 is a valid poiny", async() => { + const w = circuitTest.calculateWitness({x: 0, y:1}); + assert(circuitTest.checkWitness(w)); + }); + + it("Should check 0 is an invalid poiny", async() => { + try { + circuitTest.calculateWitness({x: 1, y: 0}); + assert(false, "Should be a valid point"); + } catch(err) { + assert(/Constraint\sdoesn't\smatch(.*)168700\s!=\s1/.test(err.message) ); + assert(err.message.indexOf("168700 != 1") >= 0); + } + }); + + it("Should extract the public key from the private one", async () => { + + const rawpvk = Buffer.from("0001020304050607080900010203040506070809000102030405060708090021", "hex"); + const pvk = eddsa.pruneBuffer(createBlakeHash("blake512").update(rawpvk).digest().slice(0,32)); + const S = bigInt.leBuff2int(pvk).shr(3); + + const A = eddsa.prv2pub(rawpvk); + + const input = { + in : S, + Ax : A[0], + Ay : A[1] + } + + const w = circuitPbk.calculateWitness(input); + assert(circuitPbk.checkWitness(w)); + }); + +}); diff --git a/@tornado/circomlib/test/babyjub_js.js b/@tornado/circomlib/test/babyjub_js.js new file mode 100644 index 0000000..2acb378 --- /dev/null +++ b/@tornado/circomlib/test/babyjub_js.js @@ -0,0 +1,166 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); +const babyjub = require("../src/babyjub.js"); + +const assert = chai.assert; + +// const bigInt = require("big-integer"); + + +describe("Baby Jub js test", function () { + + this.timeout(100000); + + it("Should add point (0,1) and (0,1)", () => { + + const p1 = [ + snarkjs.bigInt(0), + snarkjs.bigInt(1)]; + const p2 = [ + snarkjs.bigInt(0), + snarkjs.bigInt(1) + ]; + + const out = babyjub.addPoint(p1, p2) + assert(out[0].equals(0)); + assert(out[1].equals(1)); + }); + + it("Should base be 8*generator", () => { + let res; + res = babyjub.addPoint(babyjub.Generator, babyjub.Generator); + res = babyjub.addPoint(res, res); + res = babyjub.addPoint(res, res); + + assert(res[0].equals(babyjub.Base8[0])); + assert(res[1].equals(babyjub.Base8[1])); + }); + + it("Should add 2 same numbers", () => { + + const p1 = [ + snarkjs.bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"), + snarkjs.bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"), + ]; + const p2 = [ + snarkjs.bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"), + snarkjs.bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"), + ]; + + const out = babyjub.addPoint(p1, p2) + assert(out[0].equals(snarkjs.bigInt("6890855772600357754907169075114257697580319025794532037257385534741338397365"))); + assert(out[1].equals(snarkjs.bigInt("4338620300185947561074059802482547481416142213883829469920100239455078257889"))); + }); + + it("Should add 2 different numbers", () => { + + const p1 = [ + snarkjs.bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"), + snarkjs.bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"), + ]; + const p2 = [ + snarkjs.bigInt("16540640123574156134436876038791482806971768689494387082833631921987005038935"), + snarkjs.bigInt("20819045374670962167435360035096875258406992893633759881276124905556507972311"), + ]; + + const out = babyjub.addPoint(p1, p2) + + assert(out[0].equals(snarkjs.bigInt("7916061937171219682591368294088513039687205273691143098332585753343424131937"))); + assert(out[1].equals(snarkjs.bigInt("14035240266687799601661095864649209771790948434046947201833777492504781204499"))); + }); + + it("should mulPointEscalar 0", () => { + const p = [ + snarkjs.bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"), + snarkjs.bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"), + ]; + + const r = babyjub.mulPointEscalar(p, snarkjs.bigInt("3")); + let r2 = babyjub.addPoint(p, p); + r2 = babyjub.addPoint(r2, p); + assert.equal(r2[0].toString(), r[0].toString()); + assert.equal(r2[1].toString(), r[1].toString()); + assert.equal(r[0].toString(), "19372461775513343691590086534037741906533799473648040012278229434133483800898"); + assert.equal(r[1].toString(), "9458658722007214007257525444427903161243386465067105737478306991484593958249"); + }); + + it("should mulPointEscalar 1", () => { + const p = [ + snarkjs.bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"), + snarkjs.bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"), + ]; + + const r = babyjub.mulPointEscalar(p, snarkjs.bigInt("14035240266687799601661095864649209771790948434046947201833777492504781204499")); + assert.equal(r[0].toString(), "17070357974431721403481313912716834497662307308519659060910483826664480189605"); + assert.equal(r[1].toString(), "4014745322800118607127020275658861516666525056516280575712425373174125159339"); + }); + + it("should mulPointEscalar 2", () => { + const p = [ + snarkjs.bigInt("6890855772600357754907169075114257697580319025794532037257385534741338397365"), + snarkjs.bigInt("4338620300185947561074059802482547481416142213883829469920100239455078257889"), + ]; + + const r = babyjub.mulPointEscalar(p, snarkjs.bigInt("20819045374670962167435360035096875258406992893633759881276124905556507972311")); + assert.equal(r[0].toString(), "13563888653650925984868671744672725781658357821216877865297235725727006259983"); + assert.equal(r[1].toString(), "8442587202676550862664528699803615547505326611544120184665036919364004251662"); + }); + + it("should inCurve 1", () => { + const p = [ + snarkjs.bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"), + snarkjs.bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"), + ]; + assert(babyjub.inCurve(p)); + }); + + it("should inCurve 2", () => { + const p = [ + snarkjs.bigInt("6890855772600357754907169075114257697580319025794532037257385534741338397365"), + snarkjs.bigInt("4338620300185947561074059802482547481416142213883829469920100239455078257889"), + ]; + assert(babyjub.inCurve(p)); + }); + + it("should inSubgroup 1", () => { + const p = [ + snarkjs.bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"), + snarkjs.bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"), + ]; + assert(babyjub.inSubgroup(p)); + }); + + it("should inSubgroup 2", () => { + const p = [ + snarkjs.bigInt("6890855772600357754907169075114257697580319025794532037257385534741338397365"), + snarkjs.bigInt("4338620300185947561074059802482547481416142213883829469920100239455078257889"), + ]; + assert(babyjub.inSubgroup(p)); + }); + + it("should packPoint - unpackPoint 1", () => { + const p = [ + snarkjs.bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"), + snarkjs.bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"), + ]; + const buf = babyjub.packPoint(p); + assert.equal(buf.toString('hex'), '53b81ed5bffe9545b54016234682e7b2f699bd42a5e9eae27ff4051bc698ce85'); + const p2 = babyjub.unpackPoint(buf); + assert.equal(p2[0].toString(), "17777552123799933955779906779655732241715742912184938656739573121738514868268"); + assert.equal(p2[1].toString(), "2626589144620713026669568689430873010625803728049924121243784502389097019475"); + }); + + it("should packPoint - unpackPoint 2", () => { + const p = [ + snarkjs.bigInt("6890855772600357754907169075114257697580319025794532037257385534741338397365"), + snarkjs.bigInt("4338620300185947561074059802482547481416142213883829469920100239455078257889"), + ]; + const buf = babyjub.packPoint(p); + assert.equal(buf.toString('hex'), 'e114eb17eddf794f063a68fecac515e3620e131976108555735c8b0773929709'); + const p2 = babyjub.unpackPoint(buf); + assert.equal(p2[0].toString(), "6890855772600357754907169075114257697580319025794532037257385534741338397365"); + assert.equal(p2[1].toString(), "4338620300185947561074059802482547481416142213883829469920100239455078257889"); + }); +}); diff --git a/@tornado/circomlib/test/binsub.js b/@tornado/circomlib/test/binsub.js new file mode 100644 index 0000000..e6023ae --- /dev/null +++ b/@tornado/circomlib/test/binsub.js @@ -0,0 +1,56 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); + +const assert = chai.assert; + +const bigInt = snarkjs.bigInt; + +function print(circuit, w, s) { + console.log(s + ": " + w[circuit.getSignalIdx(s)]); +} + +function checkSub(_a,_b, circuit) { + let a=bigInt(_a); + let b=bigInt(_b); + if (a.lesser(bigInt.zero)) a = a.add(bigInt.one.shl(16)); + if (b.lesser(bigInt.zero)) b = b.add(bigInt.one.shl(16)); + const w = circuit.calculateWitness({a: a, b: b}); + + let res = a.sub(b); + if (res.lesser(bigInt.zero)) res = res.add(bigInt.one.shl(16)); + assert( w[circuit.getSignalIdx("main.out")].equals(bigInt(res)) ); +} + +describe("BinSub test", () => { + let circuit; + before( async() => { + const cirDef = await compiler(path.join(__dirname, "circuits", "binsub_test.circom")); + + circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains BinSub: " + circuit.nConstraints); + }); + + it("Should check variuos ege cases", async () => { + checkSub(0,0, circuit); + checkSub(1,0, circuit); + checkSub(-1,0, circuit); + checkSub(2,1, circuit); + checkSub(2,2, circuit); + checkSub(2,3, circuit); + checkSub(2,-1, circuit); + checkSub(2,-2, circuit); + checkSub(2,-3, circuit); + checkSub(-2,-3, circuit); + checkSub(-2,-2, circuit); + checkSub(-2,-1, circuit); + checkSub(-2,0, circuit); + checkSub(-2,1, circuit); + checkSub(-2,2, circuit); + checkSub(-2,3, circuit); + }); + + +}); diff --git a/@tornado/circomlib/test/binsum.js b/@tornado/circomlib/test/binsum.js new file mode 100644 index 0000000..d1b834f --- /dev/null +++ b/@tornado/circomlib/test/binsum.js @@ -0,0 +1,35 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const crypto = require("crypto"); + +const compiler = require("circom"); + +const assert = chai.assert; + +describe("Sum test", () => { + it("Should create a constant circuit", async () => { + + const cirDef = await compiler(path.join(__dirname, "circuits", "constants_test.circom")); + assert.equal(cirDef.nVars, 2); + + const circuit = new snarkjs.Circuit(cirDef); + + const witness = circuit.calculateWitness({ "in": "0xd807aa98" }); + + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt("0xd807aa98"))); + }); + it("Should create a sum circuit", async () => { + + const cirDef = await compiler(path.join(__dirname, "circuits", "sum_test.circom")); + assert.equal(cirDef.nVars, 97); // 32 (in1) + 32(in2) + 32(out) + 1 (carry) + + const circuit = new snarkjs.Circuit(cirDef); + + const witness = circuit.calculateWitness({ "a": "111", "b": "222" }); + + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt("333"))); + }); +}); diff --git a/@tornado/circomlib/test/circuits/aliascheck_test.circom b/@tornado/circomlib/test/circuits/aliascheck_test.circom new file mode 100644 index 0000000..dc2252d --- /dev/null +++ b/@tornado/circomlib/test/circuits/aliascheck_test.circom @@ -0,0 +1,3 @@ +include "../../circuits/aliascheck.circom"; + +component main = AliasCheck() diff --git a/@tornado/circomlib/test/circuits/aliascheckbabyjub_test.circom b/@tornado/circomlib/test/circuits/aliascheckbabyjub_test.circom new file mode 100644 index 0000000..2a3e326 --- /dev/null +++ b/@tornado/circomlib/test/circuits/aliascheckbabyjub_test.circom @@ -0,0 +1,3 @@ +include "../../circuits/aliascheck.circom"; + +component main = AliasCheckBabyJub() diff --git a/@tornado/circomlib/test/circuits/babyadd_tester.circom b/@tornado/circomlib/test/circuits/babyadd_tester.circom new file mode 100644 index 0000000..129acfa --- /dev/null +++ b/@tornado/circomlib/test/circuits/babyadd_tester.circom @@ -0,0 +1,3 @@ +include "../../circuits/babyjub.circom"; + +component main = BabyAdd(); diff --git a/@tornado/circomlib/test/circuits/babycheck_test.circom b/@tornado/circomlib/test/circuits/babycheck_test.circom new file mode 100644 index 0000000..925de65 --- /dev/null +++ b/@tornado/circomlib/test/circuits/babycheck_test.circom @@ -0,0 +1,3 @@ +include "../../circuits/babyjub.circom"; + +component main = BabyCheck(); diff --git a/@tornado/circomlib/test/circuits/babypbk_test.circom b/@tornado/circomlib/test/circuits/babypbk_test.circom new file mode 100644 index 0000000..2583bb9 --- /dev/null +++ b/@tornado/circomlib/test/circuits/babypbk_test.circom @@ -0,0 +1,3 @@ +include "../../circuits/babyjub.circom"; + +component main = BabyPbk(); \ No newline at end of file diff --git a/@tornado/circomlib/test/circuits/binsub_test.circom b/@tornado/circomlib/test/circuits/binsub_test.circom new file mode 100644 index 0000000..a633064 --- /dev/null +++ b/@tornado/circomlib/test/circuits/binsub_test.circom @@ -0,0 +1,26 @@ +include "../../circuits/bitify.circom" +include "../../circuits/binsub.circom" + +template A() { + signal private input a; + signal input b; + signal output out; + + component n2ba = Num2Bits(16); + component n2bb = Num2Bits(16); + component sub = BinSub(16); + component b2n = Bits2Num(16); + + n2ba.in <== a; + n2bb.in <== b; + + for (var i=0; i<16; i++) { + sub.in[0][i] <== n2ba.out[i]; + sub.in[1][i] <== n2bb.out[i]; + b2n.in[i] <== sub.out[i]; + } + + out <== b2n.out; +} + +component main = A(); diff --git a/@tornado/circomlib/test/circuits/constants_test.circom b/@tornado/circomlib/test/circuits/constants_test.circom new file mode 100644 index 0000000..61d392d --- /dev/null +++ b/@tornado/circomlib/test/circuits/constants_test.circom @@ -0,0 +1,18 @@ +include "../../circuits/sha256/constants.circom" + +template A() { + signal input in; + component h0; + h0 = K(8); + + var lc = 0; + var e = 1; + for (var i=0; i<32; i++) { + lc = lc + e*h0.out[i]; + e *= 2; + } + + lc === in; +} + +component main = A(); diff --git a/@tornado/circomlib/test/circuits/eddsa_test.circom b/@tornado/circomlib/test/circuits/eddsa_test.circom new file mode 100644 index 0000000..1ef054e --- /dev/null +++ b/@tornado/circomlib/test/circuits/eddsa_test.circom @@ -0,0 +1,3 @@ +include "../../circuits/eddsa.circom"; + +component main = EdDSAVerifier(80); diff --git a/@tornado/circomlib/test/circuits/eddsamimc_test.circom b/@tornado/circomlib/test/circuits/eddsamimc_test.circom new file mode 100644 index 0000000..8ad48e6 --- /dev/null +++ b/@tornado/circomlib/test/circuits/eddsamimc_test.circom @@ -0,0 +1,3 @@ +include "../../circuits/eddsamimc.circom"; + +component main = EdDSAMiMCVerifier(); diff --git a/@tornado/circomlib/test/circuits/eddsamimcsponge_test.circom b/@tornado/circomlib/test/circuits/eddsamimcsponge_test.circom new file mode 100644 index 0000000..ee27dc5 --- /dev/null +++ b/@tornado/circomlib/test/circuits/eddsamimcsponge_test.circom @@ -0,0 +1,3 @@ +include "../../circuits/eddsamimcsponge.circom"; + +component main = EdDSAMiMCSpongeVerifier(); diff --git a/@tornado/circomlib/test/circuits/eddsaposeidon_test.circom b/@tornado/circomlib/test/circuits/eddsaposeidon_test.circom new file mode 100644 index 0000000..98f96c7 --- /dev/null +++ b/@tornado/circomlib/test/circuits/eddsaposeidon_test.circom @@ -0,0 +1,3 @@ +include "../../circuits/eddsaposeidon.circom"; + +component main = EdDSAPoseidonVerifier(); diff --git a/@tornado/circomlib/test/circuits/edwards2montgomery.circom b/@tornado/circomlib/test/circuits/edwards2montgomery.circom new file mode 100644 index 0000000..960e594 --- /dev/null +++ b/@tornado/circomlib/test/circuits/edwards2montgomery.circom @@ -0,0 +1,3 @@ +include "../../circuits/montgomery.circom"; + +component main = Edwards2Montgomery(); diff --git a/@tornado/circomlib/test/circuits/escalarmul_min_test.circom b/@tornado/circomlib/test/circuits/escalarmul_min_test.circom new file mode 100644 index 0000000..6973701 --- /dev/null +++ b/@tornado/circomlib/test/circuits/escalarmul_min_test.circom @@ -0,0 +1,26 @@ +include "../../circuits/escalarmul.circom"; + + +template Main() { + signal input in[256]; + signal output out[2]; + + var i; + + var base = [5299619240641551281634865583518297030282874472190772894086521144482721001553, + 16950150798460657717958625567821834550301663161624707787222815936182638968203]; + + component escalarMul = EscalarMul(256, base); + + escalarMul.inp[0] <== 0; + escalarMul.inp[1] <== 1; + + for (i=0; i<256; i++) { + in[i] ==> escalarMul.in[i]; + } + + escalarMul.out[0] ==> out[0]; + escalarMul.out[1] ==> out[1]; +} + +component main = Main(); diff --git a/@tornado/circomlib/test/circuits/escalarmul_test.circom b/@tornado/circomlib/test/circuits/escalarmul_test.circom new file mode 100644 index 0000000..c15535d --- /dev/null +++ b/@tornado/circomlib/test/circuits/escalarmul_test.circom @@ -0,0 +1,31 @@ +include "../../circuits/escalarmul.circom"; +include "../../circuits/bitify.circom"; + + +template Main() { + signal input in; + signal output out[2]; + + var base = [5299619240641551281634865583518297030282874472190772894086521144482721001553, + 16950150798460657717958625567821834550301663161624707787222815936182638968203]; + + + component n2b = Num2Bits(253); + component escalarMul = EscalarMul(253, base); + + escalarMul.inp[0] <== 0; + escalarMul.inp[1] <== 1; + + var i; + + in ==> n2b.in; + + for (i=0; i<253; i++) { + n2b.out[i] ==> escalarMul.in[i]; + } + + escalarMul.out[0] ==> out[0]; + escalarMul.out[1] ==> out[1]; +} + +component main = Main(); diff --git a/@tornado/circomlib/test/circuits/escalarmul_test_min.circom b/@tornado/circomlib/test/circuits/escalarmul_test_min.circom new file mode 100644 index 0000000..6973701 --- /dev/null +++ b/@tornado/circomlib/test/circuits/escalarmul_test_min.circom @@ -0,0 +1,26 @@ +include "../../circuits/escalarmul.circom"; + + +template Main() { + signal input in[256]; + signal output out[2]; + + var i; + + var base = [5299619240641551281634865583518297030282874472190772894086521144482721001553, + 16950150798460657717958625567821834550301663161624707787222815936182638968203]; + + component escalarMul = EscalarMul(256, base); + + escalarMul.inp[0] <== 0; + escalarMul.inp[1] <== 1; + + for (i=0; i<256; i++) { + in[i] ==> escalarMul.in[i]; + } + + escalarMul.out[0] ==> out[0]; + escalarMul.out[1] ==> out[1]; +} + +component main = Main(); diff --git a/@tornado/circomlib/test/circuits/escalarmulany_test.circom b/@tornado/circomlib/test/circuits/escalarmulany_test.circom new file mode 100644 index 0000000..c09918d --- /dev/null +++ b/@tornado/circomlib/test/circuits/escalarmulany_test.circom @@ -0,0 +1,28 @@ +include "../../circuits/escalarmulany.circom"; +include "../../circuits/bitify.circom"; + +template Main() { + signal input e; + signal input p[2]; + signal output out[2]; + + component n2b = Num2Bits(253); + component escalarMulAny = EscalarMulAny(253); + + escalarMulAny.p[0] <== p[0]; + escalarMulAny.p[1] <== p[1]; + + var i; + + e ==> n2b.in; + + for (i=0; i<253; i++) { + n2b.out[i] ==> escalarMulAny.e[i]; + } + + escalarMulAny.out[0] ==> out[0]; + escalarMulAny.out[1] ==> out[1]; +} + +component main = Main(); + diff --git a/@tornado/circomlib/test/circuits/escalarmulfix_test.circom b/@tornado/circomlib/test/circuits/escalarmulfix_test.circom new file mode 100644 index 0000000..9a9d777 --- /dev/null +++ b/@tornado/circomlib/test/circuits/escalarmulfix_test.circom @@ -0,0 +1,29 @@ +include "../../circuits/escalarmulfix.circom"; +include "../../circuits/bitify.circom"; + + +template Main() { + signal input e; + signal output out[2]; + + var base = [5299619240641551281634865583518297030282874472190772894086521144482721001553, + 16950150798460657717958625567821834550301663161624707787222815936182638968203] + + + component n2b = Num2Bits(253); + component escalarMul = EscalarMulFix(253, base); + + var i; + + e ==> n2b.in; + + for (i=0; i<253; i++) { + n2b.out[i] ==> escalarMul.e[i]; + } + + escalarMul.out[0] ==> out[0]; + escalarMul.out[1] ==> out[1]; +} + +component main = Main(); + diff --git a/@tornado/circomlib/test/circuits/escalarmulw4table.circom b/@tornado/circomlib/test/circuits/escalarmulw4table.circom new file mode 100644 index 0000000..85c5507 --- /dev/null +++ b/@tornado/circomlib/test/circuits/escalarmulw4table.circom @@ -0,0 +1,6 @@ +include "../../circuits/escalarmulw4table.circom"; + +var base = [5299619240641551281634865583518297030282874472190772894086521144482721001553, + 16950150798460657717958625567821834550301663161624707787222815936182638968203] + +component main = EscalarMulW4Table(base, 0); diff --git a/@tornado/circomlib/test/circuits/escalarmulw4table_test.circom b/@tornado/circomlib/test/circuits/escalarmulw4table_test.circom new file mode 100644 index 0000000..852628d --- /dev/null +++ b/@tornado/circomlib/test/circuits/escalarmulw4table_test.circom @@ -0,0 +1,17 @@ +include "../../circuits/escalarmulw4table.circom"; + + +template Main() { + signal input in; + signal output out[16][2]; + var base = [5299619240641551281634865583518297030282874472190772894086521144482721001553, + 16950150798460657717958625567821834550301663161624707787222815936182638968203]; + + var escalarMul = EscalarMulW4Table(base, 0); + for (var i=0; i<16; i++) { + out[i][0] <== escalarMul[i][0]*in; + out[i][1] <== escalarMul[i][1]*in; + } +} + +component main = Main(); diff --git a/@tornado/circomlib/test/circuits/escalarmulw4table_test3.circom b/@tornado/circomlib/test/circuits/escalarmulw4table_test3.circom new file mode 100644 index 0000000..52933fa --- /dev/null +++ b/@tornado/circomlib/test/circuits/escalarmulw4table_test3.circom @@ -0,0 +1,17 @@ +include "../../circuits/escalarmulw4table.circom"; + + +template Main() { + signal input in; + signal output out[16][2]; + var base = [5299619240641551281634865583518297030282874472190772894086521144482721001553, + 16950150798460657717958625567821834550301663161624707787222815936182638968203]; + + var escalarMul = EscalarMulW4Table(base, 3); + for (var i=0; i<16; i++) { + out[i][0] <== escalarMul[i][0]*in; + out[i][1] <== escalarMul[i][1]*in; + } +} + +component main = Main(); diff --git a/@tornado/circomlib/test/circuits/greatereqthan.circom b/@tornado/circomlib/test/circuits/greatereqthan.circom new file mode 100644 index 0000000..3428ac2 --- /dev/null +++ b/@tornado/circomlib/test/circuits/greatereqthan.circom @@ -0,0 +1,4 @@ + +include "../../circuits/comparators.circom"; + +component main = GreaterEqThan(32); diff --git a/@tornado/circomlib/test/circuits/greaterthan.circom b/@tornado/circomlib/test/circuits/greaterthan.circom new file mode 100644 index 0000000..b890ba8 --- /dev/null +++ b/@tornado/circomlib/test/circuits/greaterthan.circom @@ -0,0 +1,4 @@ + +include "../../circuits/comparators.circom"; + +component main = GreaterThan(32); diff --git a/@tornado/circomlib/test/circuits/isequal.circom b/@tornado/circomlib/test/circuits/isequal.circom new file mode 100644 index 0000000..c14d506 --- /dev/null +++ b/@tornado/circomlib/test/circuits/isequal.circom @@ -0,0 +1,4 @@ + +include "../../circuits/comparators.circom"; + +component main = IsEqual(); diff --git a/@tornado/circomlib/test/circuits/iszero.circom b/@tornado/circomlib/test/circuits/iszero.circom new file mode 100644 index 0000000..0ca0589 --- /dev/null +++ b/@tornado/circomlib/test/circuits/iszero.circom @@ -0,0 +1,5 @@ + + +include "../../circuits/comparators.circom"; + +component main = IsZero(); diff --git a/@tornado/circomlib/test/circuits/lesseqthan.circom b/@tornado/circomlib/test/circuits/lesseqthan.circom new file mode 100644 index 0000000..db2eda4 --- /dev/null +++ b/@tornado/circomlib/test/circuits/lesseqthan.circom @@ -0,0 +1,4 @@ + +include "../../circuits/comparators.circom"; + +component main = LessEqThan(32); diff --git a/@tornado/circomlib/test/circuits/lessthan.circom b/@tornado/circomlib/test/circuits/lessthan.circom new file mode 100644 index 0000000..63944f2 --- /dev/null +++ b/@tornado/circomlib/test/circuits/lessthan.circom @@ -0,0 +1,4 @@ + +include "../../circuits/comparators.circom"; + +component main = LessThan(32); diff --git a/@tornado/circomlib/test/circuits/mimc_sponge_hash_test.circom b/@tornado/circomlib/test/circuits/mimc_sponge_hash_test.circom new file mode 100644 index 0000000..7cda28d --- /dev/null +++ b/@tornado/circomlib/test/circuits/mimc_sponge_hash_test.circom @@ -0,0 +1,3 @@ +include "../../circuits/mimcsponge.circom" + +component main = MiMCSponge(2, 3); diff --git a/@tornado/circomlib/test/circuits/mimc_sponge_test.circom b/@tornado/circomlib/test/circuits/mimc_sponge_test.circom new file mode 100644 index 0000000..92e9df2 --- /dev/null +++ b/@tornado/circomlib/test/circuits/mimc_sponge_test.circom @@ -0,0 +1,3 @@ +include "../../circuits/mimcsponge.circom" + +component main = MiMCFeistel(220); diff --git a/@tornado/circomlib/test/circuits/mimc_test.circom b/@tornado/circomlib/test/circuits/mimc_test.circom new file mode 100644 index 0000000..26b0b01 --- /dev/null +++ b/@tornado/circomlib/test/circuits/mimc_test.circom @@ -0,0 +1,3 @@ +include "../../circuits/mimc.circom" + +component main = MiMC7(91); diff --git a/@tornado/circomlib/test/circuits/montgomery2edwards.circom b/@tornado/circomlib/test/circuits/montgomery2edwards.circom new file mode 100644 index 0000000..39d05a6 --- /dev/null +++ b/@tornado/circomlib/test/circuits/montgomery2edwards.circom @@ -0,0 +1,3 @@ +include "../../circuits/montgomery.circom"; + +component main = Montgomery2Edwards(); diff --git a/@tornado/circomlib/test/circuits/montgomeryadd.circom b/@tornado/circomlib/test/circuits/montgomeryadd.circom new file mode 100644 index 0000000..8caea17 --- /dev/null +++ b/@tornado/circomlib/test/circuits/montgomeryadd.circom @@ -0,0 +1,3 @@ +include "../../circuits/montgomery.circom"; + +component main = MontgomeryAdd(); diff --git a/@tornado/circomlib/test/circuits/montgomerydouble.circom b/@tornado/circomlib/test/circuits/montgomerydouble.circom new file mode 100644 index 0000000..70a3840 --- /dev/null +++ b/@tornado/circomlib/test/circuits/montgomerydouble.circom @@ -0,0 +1,3 @@ +include "../../circuits/montgomery.circom"; + +component main = MontgomeryDouble(); diff --git a/@tornado/circomlib/test/circuits/mux1_1.circom b/@tornado/circomlib/test/circuits/mux1_1.circom new file mode 100644 index 0000000..5a3afee --- /dev/null +++ b/@tornado/circomlib/test/circuits/mux1_1.circom @@ -0,0 +1,31 @@ +include "../../circuits/mux1.circom"; +include "../../circuits/bitify.circom"; + + +template Constants() { + var i; + signal output out[2]; + + out[0] <== 37; + out[1] <== 47; +} + +template Main() { + var i; + signal private input selector; + signal output out; + + component mux = Mux1(); + component n2b = Num2Bits(1); + component cst = Constants(); + + selector ==> n2b.in; + n2b.out[0] ==> mux.s; + for (i=0; i<2; i++) { + cst.out[i] ==> mux.c[i]; + } + + mux.out ==> out; +} + +component main = Main(); diff --git a/@tornado/circomlib/test/circuits/mux2_1.circom b/@tornado/circomlib/test/circuits/mux2_1.circom new file mode 100644 index 0000000..4bb6247 --- /dev/null +++ b/@tornado/circomlib/test/circuits/mux2_1.circom @@ -0,0 +1,35 @@ +include "../../circuits/mux2.circom"; +include "../../circuits/bitify.circom"; + + +template Constants() { + var i; + signal output out[4]; + + out[0] <== 37; + out[1] <== 47; + out[2] <== 53; + out[3] <== 71; +} + +template Main() { + var i; + signal private input selector; + signal output out; + + component mux = Mux2(); + component n2b = Num2Bits(2); + component cst = Constants(); + + selector ==> n2b.in; + for (i=0; i<2; i++) { + n2b.out[i] ==> mux.s[i]; + } + for (i=0; i<4; i++) { + cst.out[i] ==> mux.c[i]; + } + + mux.out ==> out; +} + +component main = Main(); diff --git a/@tornado/circomlib/test/circuits/mux3_1.circom b/@tornado/circomlib/test/circuits/mux3_1.circom new file mode 100644 index 0000000..69f98f2 --- /dev/null +++ b/@tornado/circomlib/test/circuits/mux3_1.circom @@ -0,0 +1,39 @@ +include "../../circuits/mux3.circom"; +include "../../circuits/bitify.circom"; + + +template Constants() { + var i; + signal output out[8]; + + out[0] <== 37; + out[1] <== 47; + out[2] <== 53; + out[3] <== 71; + out[4] <== 89; + out[5] <== 107; + out[6] <== 163; + out[7] <== 191; +} + +template Main() { + var i; + signal private input selector; + signal output out; + + component mux = Mux3(); + component n2b = Num2Bits(3); + component cst = Constants(); + + selector ==> n2b.in; + for (i=0; i<3; i++) { + n2b.out[i] ==> mux.s[i]; + } + for (i=0; i<8; i++) { + cst.out[i] ==> mux.c[i]; + } + + mux.out ==> out; +} + +component main = Main(); diff --git a/@tornado/circomlib/test/circuits/mux4_1.circom b/@tornado/circomlib/test/circuits/mux4_1.circom new file mode 100644 index 0000000..d63e466 --- /dev/null +++ b/@tornado/circomlib/test/circuits/mux4_1.circom @@ -0,0 +1,54 @@ +include "../../circuits/mux4.circom"; +include "../../circuits/bitify.circom"; + + +template Constants() { + var i; + signal output out[16]; + + out[0] <== 123; + out[1] <== 456; + out[2] <== 789; + out[3] <== 012; + out[4] <== 111; + out[5] <== 222; + out[6] <== 333; + out[7] <== 4546; + out[8] <== 134523; + out[9] <== 44356; + out[10] <== 15623; + out[11] <== 4566; + out[12] <== 1223; + out[13] <== 4546; + out[14] <== 4256; + out[15] <== 4456; + +/* + for (i=0;i<16; i++) { + out[i] <== i*2+100; + } +*/ + +} + +template Main() { + var i; + signal private input selector; + signal output out; + + component mux = Mux4(); + component n2b = Num2Bits(4); + component cst = Constants(); + + selector ==> n2b.in; + for (i=0; i<4; i++) { + n2b.out[i] ==> mux.s[i]; + } + for (i=0; i<16; i++) { + cst.out[i] ==> mux.c[i]; + } + + mux.out ==> out; +} + +component main = Main(); diff --git a/@tornado/circomlib/test/circuits/pedersen2_test.circom b/@tornado/circomlib/test/circuits/pedersen2_test.circom new file mode 100644 index 0000000..e13e353 --- /dev/null +++ b/@tornado/circomlib/test/circuits/pedersen2_test.circom @@ -0,0 +1,32 @@ +include "../../circuits/pedersen.circom"; +include "../../circuits/bitify.circom"; + + +template Main() { + signal input in; + signal output out[2]; + + component pedersen = Pedersen(256); + + component n2b; + n2b = Num2Bits(253); + + var i; + + in ==> n2b.in; + + for (i=0; i<253; i++) { + pedersen.in[i] <== n2b.out[i]; + } + + for (i=253; i<256; i++) { + pedersen.in[i] <== 0; + } + + pedersen.out[0] ==> out[0]; + pedersen.out[1] ==> out[1]; +} + +component main = Main(); + + diff --git a/@tornado/circomlib/test/circuits/pedersen_test.circom b/@tornado/circomlib/test/circuits/pedersen_test.circom new file mode 100644 index 0000000..accd484 --- /dev/null +++ b/@tornado/circomlib/test/circuits/pedersen_test.circom @@ -0,0 +1,29 @@ +include "../../circuits/pedersen_old.circom"; +include "../../circuits/bitify.circom"; + + +template Main() { + signal input in[2]; + signal output out[2]; + + component pedersen = Pedersen(250*2); + + component n2b[2]; + n2b[0] = Num2Bits(250); + n2b[1] = Num2Bits(250); + + var i; + + in[0] ==> n2b[0].in; + in[1] ==> n2b[1].in; + + for (i=0; i<250; i++) { + n2b[0].out[i] ==> pedersen.in[i]; + n2b[1].out[i] ==> pedersen.in[250+i]; + } + + pedersen.out[0] ==> out[0]; + pedersen.out[1] ==> out[1]; +} + +component main = Main(); diff --git a/@tornado/circomlib/test/circuits/pointbits_loopback.circom b/@tornado/circomlib/test/circuits/pointbits_loopback.circom new file mode 100644 index 0000000..39dacfb --- /dev/null +++ b/@tornado/circomlib/test/circuits/pointbits_loopback.circom @@ -0,0 +1,23 @@ +include "../../circuits/pointbits.circom"; + + +template Main() { + signal input in[2]; + + var i + + component p2b = Point2Bits_Strict(); + component b2p = Bits2Point_Strict(); + + p2b.in[0] <== in[0]; + p2b.in[1] <== in[1]; + + for (i=0; i<256; i++) { + b2p.in[i] <== p2b.out[i]; + } + + b2p.out[0] === in[0]; + b2p.out[1] === in[1]; +} + +component main = Main(); diff --git a/@tornado/circomlib/test/circuits/poseidon_test.circom b/@tornado/circomlib/test/circuits/poseidon_test.circom new file mode 100644 index 0000000..526bef1 --- /dev/null +++ b/@tornado/circomlib/test/circuits/poseidon_test.circom @@ -0,0 +1,3 @@ +include "../../circuits/poseidon.circom" + +component main = Poseidon(2, 6, 8, 57); diff --git a/@tornado/circomlib/test/circuits/sha256_2_test.circom b/@tornado/circomlib/test/circuits/sha256_2_test.circom new file mode 100644 index 0000000..855423b --- /dev/null +++ b/@tornado/circomlib/test/circuits/sha256_2_test.circom @@ -0,0 +1,15 @@ +include "../../circuits/sha256/sha256_2.circom"; + +template Main() { + signal private input a; + signal private input b; + signal output out; + + component sha256_2 = Sha256_2(); + + sha256_2.a <== a; + sha256_2.b <== b; + out <== sha256_2.out; +} + +component main = Main(); diff --git a/@tornado/circomlib/test/circuits/sha256_test448.circom b/@tornado/circomlib/test/circuits/sha256_test448.circom new file mode 100644 index 0000000..9a5dbdc --- /dev/null +++ b/@tornado/circomlib/test/circuits/sha256_test448.circom @@ -0,0 +1,3 @@ +include "../../circuits/sha256/sha256.circom"; + +component main = Sha256(448); diff --git a/@tornado/circomlib/test/circuits/sha256_test512.circom b/@tornado/circomlib/test/circuits/sha256_test512.circom new file mode 100644 index 0000000..dd8b11d --- /dev/null +++ b/@tornado/circomlib/test/circuits/sha256_test512.circom @@ -0,0 +1,3 @@ +include "../../circuits/sha256/sha256.circom"; + +component main = Sha256(512); diff --git a/@tornado/circomlib/test/circuits/sign_test.circom b/@tornado/circomlib/test/circuits/sign_test.circom new file mode 100644 index 0000000..e6a6e3b --- /dev/null +++ b/@tornado/circomlib/test/circuits/sign_test.circom @@ -0,0 +1,3 @@ +include "../../circuits/sign.circom"; + +component main = Sign(); diff --git a/@tornado/circomlib/test/circuits/smtprocessor10_test.circom b/@tornado/circomlib/test/circuits/smtprocessor10_test.circom new file mode 100644 index 0000000..ecf15d0 --- /dev/null +++ b/@tornado/circomlib/test/circuits/smtprocessor10_test.circom @@ -0,0 +1,3 @@ +include "../../circuits/smt/smtprocessor.circom"; + +component main = SMTProcessor(10); diff --git a/@tornado/circomlib/test/circuits/smtverifier10_test.circom b/@tornado/circomlib/test/circuits/smtverifier10_test.circom new file mode 100644 index 0000000..31a4dd7 --- /dev/null +++ b/@tornado/circomlib/test/circuits/smtverifier10_test.circom @@ -0,0 +1,3 @@ +include "../../circuits/smt/smtverifier.circom"; + +component main = SMTVerifier(10); diff --git a/@tornado/circomlib/test/circuits/sum_test.circom b/@tornado/circomlib/test/circuits/sum_test.circom new file mode 100644 index 0000000..a8b062b --- /dev/null +++ b/@tornado/circomlib/test/circuits/sum_test.circom @@ -0,0 +1,26 @@ +include "../../circuits/bitify.circom" +include "../../circuits/binsum.circom" + +template A() { + signal private input a; + signal input b; + signal output out; + + component n2ba = Num2Bits(32); + component n2bb = Num2Bits(32); + component sum = BinSum(32,2); + component b2n = Bits2Num(32); + + n2ba.in <== a; + n2bb.in <== b; + + for (var i=0; i<32; i++) { + sum.in[0][i] <== n2ba.out[i]; + sum.in[1][i] <== n2bb.out[i]; + b2n.in[i] <== sum.out[i]; + } + + out <== b2n.out; +} + +component main = A(); diff --git a/@tornado/circomlib/test/comparators.js b/@tornado/circomlib/test/comparators.js new file mode 100644 index 0000000..8fa7fb1 --- /dev/null +++ b/@tornado/circomlib/test/comparators.js @@ -0,0 +1,193 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const crypto = require("crypto"); + +const compiler = require("circom"); + +const assert = chai.assert; + +describe("Sum test", () => { + it("Should create a iszero circuit", async() => { + const cirDef = await compiler(path.join(__dirname, "circuits", "iszero.circom")); + + const circuit = new snarkjs.Circuit(cirDef); + + let witness; + witness = circuit.calculateWitness({ "in": 111}); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(0))); + + witness = circuit.calculateWitness({ "in": 0 }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(1))); + }); + it("Should create a isequal circuit", async() => { + const cirDef = await compiler(path.join(__dirname, "circuits", "isequal.circom")); + + const circuit = new snarkjs.Circuit(cirDef); + + let witness; + witness = circuit.calculateWitness({ "in[0]": "111", "in[1]": "222" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(0))); + + witness = circuit.calculateWitness({ "in[0]": "444", "in[1]": "444" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(1))); + }); + it("Should create a comparison lessthan", async() => { + const cirDef = await compiler(path.join(__dirname, "circuits", "lessthan.circom")); + + const circuit = new snarkjs.Circuit(cirDef); + + let witness; + witness = circuit.calculateWitness({ "in[0]": "333", "in[1]": "444" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(1))); + + witness = circuit.calculateWitness({ "in[0]": "1", "in[1]": "1" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(0))); + + witness = circuit.calculateWitness({ "in[0]": "661", "in[1]": "660" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(0))); + + witness = circuit.calculateWitness({ "in[0]": "0", "in[1]": "1" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(1))); + + witness = circuit.calculateWitness({ "in[0]": "0", "in[1]": "444" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(1))); + + witness = circuit.calculateWitness({ "in[0]": "1", "in[1]": "0" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(0))); + + witness = circuit.calculateWitness({ "in[0]": "555", "in[1]": "0" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(0))); + + witness = circuit.calculateWitness({ "in[0]": "0", "in[1]": "0" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(0))); + }); + it("Should create a comparison lesseqthan", async() => { + const cirDef = await compiler(path.join(__dirname, "circuits", "lesseqthan.circom")); + + const circuit = new snarkjs.Circuit(cirDef); + + let witness; + witness = circuit.calculateWitness({ "in[0]": "333", "in[1]": "444" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(1))); + + witness = circuit.calculateWitness({ "in[0]": "1", "in[1]": "1" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(1))); + + witness = circuit.calculateWitness({ "in[0]": "661", "in[1]": "660" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(0))); + + witness = circuit.calculateWitness({ "in[0]": "0", "in[1]": "1" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(1))); + + witness = circuit.calculateWitness({ "in[0]": "0", "in[1]": "444" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(1))); + + witness = circuit.calculateWitness({ "in[0]": "1", "in[1]": "0" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(0))); + + witness = circuit.calculateWitness({ "in[0]": "555", "in[1]": "0" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(0))); + + witness = circuit.calculateWitness({ "in[0]": "0", "in[1]": "0" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(1))); + }); + it("Should create a comparison greaterthan", async() => { + const cirDef = await compiler(path.join(__dirname, "circuits", "greaterthan.circom")); + + const circuit = new snarkjs.Circuit(cirDef); + + let witness; + witness = circuit.calculateWitness({ "in[0]": "333", "in[1]": "444" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(0))); + + witness = circuit.calculateWitness({ "in[0]": "1", "in[1]": "1" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(0))); + + witness = circuit.calculateWitness({ "in[0]": "661", "in[1]": "660" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(1))); + + witness = circuit.calculateWitness({ "in[0]": "0", "in[1]": "1" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(0))); + + witness = circuit.calculateWitness({ "in[0]": "0", "in[1]": "444" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(0))); + + witness = circuit.calculateWitness({ "in[0]": "1", "in[1]": "0" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(1))); + + witness = circuit.calculateWitness({ "in[0]": "555", "in[1]": "0" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(1))); + + witness = circuit.calculateWitness({ "in[0]": "0", "in[1]": "0" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(0))); + }); + it("Should create a comparison greatereqthan", async() => { + const cirDef = await compiler(path.join(__dirname, "circuits", "greatereqthan.circom")); + + const circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstraints BalancesUpdater: " + circuit.nConstraints); + + let witness; + witness = circuit.calculateWitness({ "in[0]": "333", "in[1]": "444" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(0))); + + witness = circuit.calculateWitness({ "in[0]": "1", "in[1]": "1" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(1))); + + witness = circuit.calculateWitness({ "in[0]": "661", "in[1]": "660" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(1))); + + witness = circuit.calculateWitness({ "in[0]": "0", "in[1]": "1" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(0))); + + witness = circuit.calculateWitness({ "in[0]": "0", "in[1]": "444" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(0))); + + witness = circuit.calculateWitness({ "in[0]": "1", "in[1]": "0" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(1))); + + witness = circuit.calculateWitness({ "in[0]": "555", "in[1]": "0" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(1))); + + witness = circuit.calculateWitness({ "in[0]": "0", "in[1]": "0" }); + assert(witness[0].equals(snarkjs.bigInt(1))); + assert(witness[1].equals(snarkjs.bigInt(1))); + }); +}); diff --git a/@tornado/circomlib/test/eddsa.js b/@tornado/circomlib/test/eddsa.js new file mode 100644 index 0000000..bf5f5c7 --- /dev/null +++ b/@tornado/circomlib/test/eddsa.js @@ -0,0 +1,74 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); +// const crypto = require("crypto"); + +const eddsa = require("../src/eddsa.js"); +const babyJub = require("../src/babyjub.js"); + +const assert = chai.assert; + +const bigInt = snarkjs.bigInt; + +function print(circuit, w, s) { + console.log(s + ": " + w[circuit.getSignalIdx(s)]); +} + +function buffer2bits(buff) { + const res = []; + for (let i=0; i>j)&1) { + res.push(bigInt.one); + } else { + res.push(bigInt.zero); + } + } + } + return res; +} + + +describe("EdDSA test", function () { + let circuit; + + this.timeout(100000); + + before( async () => { + const cirDef = await compiler(path.join(__dirname, "circuits", "eddsa_test.circom")); + + circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains EdDSA: " + circuit.nConstraints); + }); + + it("Sign a single 10 bytes from 0 to 9", async () => { + const msg = Buffer.from("00010203040506070809", "hex"); + +// const prvKey = crypto.randomBytes(32); + + const prvKey = Buffer.from("0001020304050607080900010203040506070809000102030405060708090001", "hex"); + + const pubKey = eddsa.prv2pub(prvKey); + + const pPubKey = babyJub.packPoint(pubKey); + + const signature = eddsa.sign(prvKey, msg); + + const pSignature = eddsa.packSignature(signature); + const uSignature = eddsa.unpackSignature(pSignature); + + assert(eddsa.verify(msg, uSignature, pubKey)); + + const msgBits = buffer2bits(msg); + const r8Bits = buffer2bits(pSignature.slice(0, 32)); + const sBits = buffer2bits(pSignature.slice(32, 64)); + const aBits = buffer2bits(pPubKey); + + const w = circuit.calculateWitness({A: aBits, R8: r8Bits, S: sBits, msg: msgBits}); + + assert(circuit.checkWitness(w)); + + }); +}); diff --git a/@tornado/circomlib/test/eddsa_js.js b/@tornado/circomlib/test/eddsa_js.js new file mode 100644 index 0000000..bc7ba46 --- /dev/null +++ b/@tornado/circomlib/test/eddsa_js.js @@ -0,0 +1,82 @@ +const chai = require("chai"); +const snarkjs = require("@tornado/snarkjs"); + +const eddsa = require("../src/eddsa.js"); +const babyJub = require("../src/babyjub.js"); + +const assert = chai.assert; + +const bigInt = snarkjs.bigInt; + +describe("EdDSA js test", function () { + + this.timeout(100000); + + it("Sign (using Mimc7) a single 10 bytes from 0 to 9", () => { + const msgBuf = Buffer.from("00010203040506070809", "hex"); + const msg = bigInt.leBuff2int(msgBuf); + + // const prvKey = crypto.randomBytes(32); + + const prvKey = Buffer.from("0001020304050607080900010203040506070809000102030405060708090001", "hex"); + + const pubKey = eddsa.prv2pub(prvKey); + + assert.equal(pubKey[0].toString(), + "13277427435165878497778222415993513565335242147425444199013288855685581939618"); + assert.equal(pubKey[1].toString(), + "13622229784656158136036771217484571176836296686641868549125388198837476602820"); + + const pPubKey = babyJub.packPoint(pubKey); + + const signature = eddsa.signMiMC(prvKey, msg); + assert.equal(signature.R8[0].toString(), + "11384336176656855268977457483345535180380036354188103142384839473266348197733"); + assert.equal(signature.R8[1].toString(), + "15383486972088797283337779941324724402501462225528836549661220478783371668959"); + assert.equal(signature.S.toString(), + "2523202440825208709475937830811065542425109372212752003460238913256192595070"); + + const pSignature = eddsa.packSignature(signature); + assert.equal(pSignature.toString("hex"), ""+ + "dfedb4315d3f2eb4de2d3c510d7a987dcab67089c8ace06308827bf5bcbe02a2"+ + "7ed40dab29bf993c928e789d007387998901a24913d44fddb64b1f21fc149405"); + + const uSignature = eddsa.unpackSignature(pSignature); + assert(eddsa.verifyMiMC(msg, uSignature, pubKey)); + + }); + + it("Sign (using Poseidon) a single 10 bytes from 0 to 9", () => { + const msgBuf = Buffer.from("00010203040506070809", "hex"); + const msg = bigInt.leBuff2int(msgBuf); + + const prvKey = Buffer.from("0001020304050607080900010203040506070809000102030405060708090001", "hex"); + + const pubKey = eddsa.prv2pub(prvKey); + + assert.equal(pubKey[0].toString(), + "13277427435165878497778222415993513565335242147425444199013288855685581939618"); + assert.equal(pubKey[1].toString(), + "13622229784656158136036771217484571176836296686641868549125388198837476602820"); + + const pPubKey = babyJub.packPoint(pubKey); + + const signature = eddsa.signPoseidon(prvKey, msg); + assert.equal(signature.R8[0].toString(), + "11384336176656855268977457483345535180380036354188103142384839473266348197733"); + assert.equal(signature.R8[1].toString(), + "15383486972088797283337779941324724402501462225528836549661220478783371668959"); + assert.equal(signature.S.toString(), + "248298168863866362217836334079793350221620631973732197668910946177382043688"); + + const pSignature = eddsa.packSignature(signature); + assert.equal(pSignature.toString("hex"), ""+ + "dfedb4315d3f2eb4de2d3c510d7a987dcab67089c8ace06308827bf5bcbe02a2"+ + "28506bce274aa1b3f7e7c2fd7e4fe09bff8f9aa37a42def7994e98f322888c00"); + + const uSignature = eddsa.unpackSignature(pSignature); + assert(eddsa.verifyPoseidon(msg, uSignature, pubKey)); + + }); +}); diff --git a/@tornado/circomlib/test/eddsamimc.js b/@tornado/circomlib/test/eddsamimc.js new file mode 100644 index 0000000..064adc3 --- /dev/null +++ b/@tornado/circomlib/test/eddsamimc.js @@ -0,0 +1,98 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); + +const eddsa = require("../src/eddsa.js"); + +const assert = chai.assert; + +const bigInt = snarkjs.bigInt; + +describe("EdDSA MiMC test", function () { + let circuit; + + this.timeout(100000); + + before( async () => { + const cirDef = await compiler(path.join(__dirname, "circuits", "eddsamimc_test.circom")); + + circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains EdDSA MiMC: " + circuit.nConstraints); + }); + + it("Sign a single number", async () => { + const msg = bigInt(1234); + + const prvKey = Buffer.from("0001020304050607080900010203040506070809000102030405060708090001", "hex"); + + const pubKey = eddsa.prv2pub(prvKey); + + const signature = eddsa.signMiMC(prvKey, msg); + + assert(eddsa.verifyMiMC(msg, signature, pubKey)); + + const w = circuit.calculateWitness({ + enabled: 1, + Ax: pubKey[0], + Ay: pubKey[1], + R8x: signature.R8[0], + R8y: signature.R8[1], + S: signature.S, + M: msg}); + + assert(circuit.checkWitness(w)); + }); + + it("Detect Invalid signature", async () => { + const msg = bigInt(1234); + + const prvKey = Buffer.from("0001020304050607080900010203040506070809000102030405060708090001", "hex"); + + const pubKey = eddsa.prv2pub(prvKey); + + + const signature = eddsa.signMiMC(prvKey, msg); + + assert(eddsa.verifyMiMC(msg, signature, pubKey)); + try { + const w = circuit.calculateWitness({ + enabled: 1, + Ax: pubKey[0], + Ay: pubKey[1], + R8x: signature.R8[0].add(bigInt(1)), + R8y: signature.R8[1], + S: signature.S, + M: msg}); + assert(false); + } catch(err) { + assert(/Constraint\sdoesn't\smatch(.*)1\s!=\s0/.test(err.message) ); + } + }); + + + it("Test a dissabled circuit with a bad signature", async () => { + const msg = bigInt(1234); + + const prvKey = Buffer.from("0001020304050607080900010203040506070809000102030405060708090001", "hex"); + + const pubKey = eddsa.prv2pub(prvKey); + + + const signature = eddsa.signMiMC(prvKey, msg); + + assert(eddsa.verifyMiMC(msg, signature, pubKey)); + + const w = circuit.calculateWitness({ + enabled: 0, + Ax: pubKey[0], + Ay: pubKey[1], + R8x: signature.R8[0].add(bigInt(1)), + R8y: signature.R8[1], + S: signature.S, + M: msg}); + + assert(circuit.checkWitness(w)); + }); +}); diff --git a/@tornado/circomlib/test/eddsamimcsponge.js b/@tornado/circomlib/test/eddsamimcsponge.js new file mode 100644 index 0000000..7953580 --- /dev/null +++ b/@tornado/circomlib/test/eddsamimcsponge.js @@ -0,0 +1,99 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); + +const eddsa = require("../src/eddsa.js"); + +const assert = chai.assert; + +const bigInt = snarkjs.bigInt; + +describe("EdDSA MiMCSponge test", function () { + let circuit; + + this.timeout(100000); + + before( async () => { + const cirDef = await compiler(path.join(__dirname, "circuits", "eddsamimcsponge_test.circom")); + + circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains EdDSA MiMCSponge: " + circuit.nConstraints); + }); + + it("Sign a single number", async () => { + const msg = bigInt(1234); + + const prvKey = Buffer.from("0001020304050607080900010203040506070809000102030405060708090001", "hex"); + + const pubKey = eddsa.prv2pub(prvKey); + + const signature = eddsa.signMiMCSponge(prvKey, msg); + + assert(eddsa.verifyMiMCSponge(msg, signature, pubKey)); + + const w = circuit.calculateWitness({ + enabled: 1, + Ax: pubKey[0], + Ay: pubKey[1], + R8x: signature.R8[0], + R8y: signature.R8[1], + S: signature.S, + M: msg}); + + assert(circuit.checkWitness(w)); + }); + + it("Detect Invalid signature", async () => { + const msg = bigInt(1234); + + const prvKey = Buffer.from("0001020304050607080900010203040506070809000102030405060708090001", "hex"); + + const pubKey = eddsa.prv2pub(prvKey); + + + const signature = eddsa.signMiMCSponge(prvKey, msg); + + assert(eddsa.verifyMiMCSponge(msg, signature, pubKey)); + try { + const w = circuit.calculateWitness({ + enabled: 1, + Ax: pubKey[0], + Ay: pubKey[1], + R8x: signature.R8[0].add(bigInt(1)), + R8y: signature.R8[1], + S: signature.S, + M: msg}); + assert(false); + } catch(err) { + assert(err.message.indexOf("Constraint doesn't match") >= 0); + assert(err.message.indexOf("1 != 0") >= 0); + } + }); + + + it("Test a dissabled circuit with a bad signature", async () => { + const msg = bigInt(1234); + + const prvKey = Buffer.from("0001020304050607080900010203040506070809000102030405060708090001", "hex"); + + const pubKey = eddsa.prv2pub(prvKey); + + + const signature = eddsa.signMiMCSponge(prvKey, msg); + + assert(eddsa.verifyMiMCSponge(msg, signature, pubKey)); + + const w = circuit.calculateWitness({ + enabled: 0, + Ax: pubKey[0], + Ay: pubKey[1], + R8x: signature.R8[0].add(bigInt(1)), + R8y: signature.R8[1], + S: signature.S, + M: msg}); + + assert(circuit.checkWitness(w)); + }); +}); diff --git a/@tornado/circomlib/test/eddsaposeidon.js b/@tornado/circomlib/test/eddsaposeidon.js new file mode 100644 index 0000000..f8c5692 --- /dev/null +++ b/@tornado/circomlib/test/eddsaposeidon.js @@ -0,0 +1,98 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); + +const eddsa = require("../src/eddsa.js"); + +const assert = chai.assert; + +const bigInt = snarkjs.bigInt; + +describe("EdDSA Poseidon test", function () { + let circuit; + + this.timeout(100000); + + before( async () => { + const cirDef = await compiler(path.join(__dirname, "circuits", "eddsaposeidon_test.circom")); + + circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains EdDSA Poseidon: " + circuit.nConstraints); + }); + + it("Sign a single number", async () => { + const msg = bigInt(1234); + + const prvKey = Buffer.from("0001020304050607080900010203040506070809000102030405060708090001", "hex"); + + const pubKey = eddsa.prv2pub(prvKey); + + const signature = eddsa.signPoseidon(prvKey, msg); + + assert(eddsa.verifyPoseidon(msg, signature, pubKey)); + + const w = circuit.calculateWitness({ + enabled: 1, + Ax: pubKey[0], + Ay: pubKey[1], + R8x: signature.R8[0], + R8y: signature.R8[1], + S: signature.S, + M: msg}); + + assert(circuit.checkWitness(w)); + }); + + it("Detect Invalid signature", async () => { + const msg = bigInt(1234); + + const prvKey = Buffer.from("0001020304050607080900010203040506070809000102030405060708090001", "hex"); + + const pubKey = eddsa.prv2pub(prvKey); + + + const signature = eddsa.signPoseidon(prvKey, msg); + + assert(eddsa.verifyPoseidon(msg, signature, pubKey)); + try { + circuit.calculateWitness({ + enabled: 1, + Ax: pubKey[0], + Ay: pubKey[1], + R8x: signature.R8[0].add(bigInt(1)), + R8y: signature.R8[1], + S: signature.S, + M: msg}); + assert(false); + } catch(err) { + assert(/Constraint\sdoesn't\smatch(.*)1\s!=\s0/.test(err.message) ); + } + }); + + + it("Test a dissabled circuit with a bad signature", async () => { + const msg = bigInt(1234); + + const prvKey = Buffer.from("0001020304050607080900010203040506070809000102030405060708090001", "hex"); + + const pubKey = eddsa.prv2pub(prvKey); + + + const signature = eddsa.signPoseidon(prvKey, msg); + + assert(eddsa.verifyPoseidon(msg, signature, pubKey)); + + const w = circuit.calculateWitness({ + enabled: 0, + Ax: pubKey[0], + Ay: pubKey[1], + R8x: signature.R8[0].add(bigInt(1)), + R8y: signature.R8[1], + S: signature.S, + M: msg}); + + assert(circuit.checkWitness(w)); + }); +}); diff --git a/@tornado/circomlib/test/escalarmul.js b/@tornado/circomlib/test/escalarmul.js new file mode 100644 index 0000000..827f133 --- /dev/null +++ b/@tornado/circomlib/test/escalarmul.js @@ -0,0 +1,172 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); + +const assert = chai.assert; + +const bigInt = snarkjs.bigInt; + + +const q=bigInt("21888242871839275222246405745257275088548364400416034343698204186575808495617"); +function addPoint(a,b) { + const cta = bigInt("168700"); + const d = bigInt("168696"); + + const res = []; + res[0] = bigInt((a[0]*b[1] + b[0]*a[1]) * bigInt(bigInt.one + d*a[0]*b[0]*a[1]*b[1]).inverse(q)).affine(q); + res[1] = bigInt((a[1]*b[1] - cta*a[0]*b[0]) * bigInt(bigInt.one - d*a[0]*b[0]*a[1]*b[1]).inverse(q)).affine(q); + return res; +} + +function print(circuit, w, s) { + console.log(s + ": " + w[circuit.getSignalIdx(s)]); +} + +describe("Exponentioation test", () => { + it("Should generate the Exponentiation table in k=0", async () => { + + const cirDef = await compiler(path.join(__dirname, "circuits", "escalarmulw4table_test.circom")); + +// console.log(JSON.stringify(cirDef, null, 1)); + +// assert.equal(cirDef.nVars, 2); + + const circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains: " + circuit.nConstraints); + + const w = circuit.calculateWitness({in: 1}); + + assert(circuit.checkWitness(w)); + + let g = [bigInt("5299619240641551281634865583518297030282874472190772894086521144482721001553"), + bigInt("16950150798460657717958625567821834550301663161624707787222815936182638968203")] + + dbl= [bigInt("0"), snarkjs.bigInt("1")]; + + for (let i=0; i<16; i++) { + const xout1 = w[circuit.getSignalIdx(`main.out[${i}][0]`)]; + const yout1 = w[circuit.getSignalIdx(`main.out[${i}][1]`)]; + + // console.log(xout1.toString()); + // console.log(yout1.toString()); + // console.log(dbl[0]); + // console.log(dbl[1]); + + assert(xout1.equals(dbl[0])); + assert(yout1.equals(dbl[1])); + + dbl = addPoint([xout1, yout1],g); + } + + }); + + it("Should generate the Exponentiation table in k=3", async () => { + + const cirDef = await compiler(path.join(__dirname, "circuits", "escalarmulw4table_test3.circom")); + +// console.log(JSON.stringify(cirDef, null, 1)); + +// assert.equal(cirDef.nVars, 2); + + const circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains: " + circuit.nConstraints); + + const w = circuit.calculateWitness({in: 1}); + + assert(circuit.checkWitness(w)); + + let g = [snarkjs.bigInt("5299619240641551281634865583518297030282874472190772894086521144482721001553"), + snarkjs.bigInt("16950150798460657717958625567821834550301663161624707787222815936182638968203")] + + for (let i=0; i<12;i++) { + g = addPoint(g,g); + } + + dbl= [snarkjs.bigInt("0"), snarkjs.bigInt("1")]; + + for (let i=0; i<16; i++) { + const xout1 = w[circuit.getSignalIdx(`main.out[${i}][0]`)]; + const yout1 = w[circuit.getSignalIdx(`main.out[${i}][1]`)]; + + + // console.log(xout1.toString()); + // console.log(yout1.toString()); + // console.log(dbl[0]); + // console.log(dbl[1]); + + assert(xout1.equals(dbl[0])); + assert(yout1.equals(dbl[1])); + + dbl = addPoint([xout1, yout1],g); + } + + }); + + it("Should exponentiate g^31", async () => { + const cirDef = await compiler(path.join(__dirname, "circuits", "escalarmul_test.circom"), {reduceConstraints: true}); + +// console.log(JSON.stringify(cirDef, null, 1)); + +// assert.equal(cirDef.nVars, 2); + + const circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains: " + circuit.nConstraints); + + const w = circuit.calculateWitness({"in": 31}); + + assert(circuit.checkWitness(w)); + + let g = [snarkjs.bigInt("5299619240641551281634865583518297030282874472190772894086521144482721001553"), + snarkjs.bigInt("16950150798460657717958625567821834550301663161624707787222815936182638968203")] + + let c = [0n, 1n]; + + for (let i=0; i<31;i++) { + c = addPoint(c,g); + } + + const xout = w[circuit.getSignalIdx(`main.out[0]`)]; + const yout = w[circuit.getSignalIdx(`main.out[1]`)]; + +/* + console.log(xout.toString()); + console.log(yout.toString()); +*/ + assert(xout.equals(c[0])); + assert(yout.equals(c[1])); + + console.log("-------") + const w2 = circuit.calculateWitness({"in": (1n<<252n)+1n}); + + const xout2 = w2[circuit.getSignalIdx(`main.out[0]`)]; + const yout2 = w2[circuit.getSignalIdx(`main.out[1]`)]; + + c = [g[0], g[1]]; + for (let i=0; i<252;i++) { + c = addPoint(c,c); + } + c = addPoint(c,g); + + // console.log(xout2.toString()); + // console.log(yout2.toString()); + // console.log(c[0].toString()); + // console.log(c[1].toString()); + + assert(xout2.equals(c[0])); + assert(yout2.equals(c[1])); + + }).timeout(10000000); + + it("Number of constrains for 256 bits", async () => { + const cirDef = await compiler(path.join(__dirname, "circuits", "escalarmul_test_min.circom")); + + const circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains: " + circuit.nConstraints); + }).timeout(10000000); + +}); diff --git a/@tornado/circomlib/test/escalarmulany.js b/@tornado/circomlib/test/escalarmulany.js new file mode 100644 index 0000000..6a78a4f --- /dev/null +++ b/@tornado/circomlib/test/escalarmulany.js @@ -0,0 +1,59 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); + +const assert = chai.assert; + +const bigInt = snarkjs.bigInt; + + +function print(circuit, w, s) { + console.log(s + ": " + w[circuit.getSignalIdx(s)]); +} + +describe("Escalarmul test", function () { + let circuitEMulAny; + + this.timeout(100000); + + let g = [ + snarkjs.bigInt("5299619240641551281634865583518297030282874472190772894086521144482721001553"), + snarkjs.bigInt("16950150798460657717958625567821834550301663161624707787222815936182638968203") + ]; + + before( async() => { + const cirDefEMulAny = await compiler(path.join(__dirname, "circuits", "escalarmulany_test.circom")); + circuitEMulAny = new snarkjs.Circuit(cirDefEMulAny); + console.log("NConstrains Escalarmul any: " + circuitEMulAny.nConstraints); + }); + + it("Should generate Same escalar mul", async () => { + + const w = circuitEMulAny.calculateWitness({"e": 1, "p": g}); + + assert(circuitEMulAny.checkWitness(w)); + + const xout = w[circuitEMulAny.getSignalIdx("main.out[0]")]; + const yout = w[circuitEMulAny.getSignalIdx("main.out[1]")]; + + assert(xout.equals(g[0])); + assert(yout.equals(g[1])); + }); + + it("If multiply by order should return 0", async () => { + + const r = bigInt("2736030358979909402780800718157159386076813972158567259200215660948447373041"); + const w = circuitEMulAny.calculateWitness({"e": r, "p": g}); + + assert(circuitEMulAny.checkWitness(w)); + + const xout = w[circuitEMulAny.getSignalIdx("main.out[0]")]; + const yout = w[circuitEMulAny.getSignalIdx("main.out[1]")]; + + assert(xout.equals(bigInt.zero)); + assert(yout.equals(bigInt.one)); + }); + +}); + diff --git a/@tornado/circomlib/test/escalarmulfix.js b/@tornado/circomlib/test/escalarmulfix.js new file mode 100644 index 0000000..24a79ab --- /dev/null +++ b/@tornado/circomlib/test/escalarmulfix.js @@ -0,0 +1,112 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); +const babyjub = require("../src/babyjub"); + +const assert = chai.assert; + +const bigInt = snarkjs.bigInt; + + +function print(circuit, w, s) { + console.log(s + ": " + w[circuit.getSignalIdx(s)]); +} + +describe("Escalarmul test", function () { + let circuit; + + this.timeout(100000); + + before( async() => { + const cirDef = await compiler(path.join(__dirname, "circuits", "escalarmulfix_test.circom")); + circuit = new snarkjs.Circuit(cirDef); + console.log("NConstrains Escalarmul fix: " + circuit.nConstraints); + }); + + it("Should generate Same escalar mul", async () => { + + const w = circuit.calculateWitness({"e": 0}); + + assert(circuit.checkWitness(w)); + + const xout = w[circuit.getSignalIdx("main.out[0]")]; + const yout = w[circuit.getSignalIdx("main.out[1]")]; + + assert(xout.equals(0)); + assert(yout.equals(1)); + }); + + it("Should generate Same escalar mul", async () => { + + const w = circuit.calculateWitness({"e": 1}); + + assert(circuit.checkWitness(w)); + + const xout = w[circuit.getSignalIdx("main.out[0]")]; + const yout = w[circuit.getSignalIdx("main.out[1]")]; + + assert(xout.equals(babyjub.Base8[0])); + assert(yout.equals(babyjub.Base8[1])); + }); + + it("Should generate scalar mul of a specific constant", async () => { + + const s = bigInt("2351960337287830298912035165133676222414898052661454064215017316447594616519"); + const base8 = [ + bigInt("5299619240641551281634865583518297030282874472190772894086521144482721001553"), + bigInt("16950150798460657717958625567821834550301663161624707787222815936182638968203") + ]; + + const w = circuit.calculateWitness({"e": s}); + + assert(circuit.checkWitness(w)); + + const xout = w[circuit.getSignalIdx("main.out[0]")]; + const yout = w[circuit.getSignalIdx("main.out[1]")]; + + const expectedRes = babyjub.mulPointEscalar(base8, s); + + assert(xout.equals(expectedRes[0])); + assert(yout.equals(expectedRes[1])); + }); + + it("Should generate scalar mul of the firsts 50 elements", async () => { + + const base8 = [ + bigInt("5299619240641551281634865583518297030282874472190772894086521144482721001553"), + bigInt("16950150798460657717958625567821834550301663161624707787222815936182638968203") + ]; + + for (let i=0; i<50; i++) { + const s = bigInt(i); + + const w = circuit.calculateWitness({"e": s}); + + assert(circuit.checkWitness(w)); + + const xout = w[circuit.getSignalIdx("main.out[0]")]; + const yout = w[circuit.getSignalIdx("main.out[1]")]; + + const expectedRes = babyjub.mulPointEscalar(base8, s); + + assert(xout.equals(expectedRes[0])); + assert(yout.equals(expectedRes[1])); + } + }); + + it("If multiply by order should return 0", async () => { + + const w = circuit.calculateWitness({"e": babyjub.subOrder }); + + assert(circuit.checkWitness(w)); + + const xout = w[circuit.getSignalIdx("main.out[0]")]; + const yout = w[circuit.getSignalIdx("main.out[1]")]; + + assert(xout.equals(bigInt.zero)); + assert(yout.equals(bigInt.one)); + }); + +}); + diff --git a/@tornado/circomlib/test/helpers/printsignal.js b/@tornado/circomlib/test/helpers/printsignal.js new file mode 100644 index 0000000..acc7747 --- /dev/null +++ b/@tornado/circomlib/test/helpers/printsignal.js @@ -0,0 +1,22 @@ + +const snarkjs = require("@tornado/snarkjs"); + +const bigInt = snarkjs.bigInt; + +module.exports = function hexBits(cir, witness, sig, nBits) { + let v = bigInt(0); + for (let i=nBits-1; i>=0; i--) { + v = v.shiftLeft(1); + const name = sig+"["+i+"]"; + const idx = cir.getSignalIdx(name); + const vbit = bigInt(witness[idx].toString()); + if (vbit.equals(bigInt(1))) { + v = v.add(bigInt(1)); + } else if (vbit.equals(bigInt(0))) { + v; + } else { + console.log("Not Binary: "+name); + } + } + return v.toString(16); +}; diff --git a/@tornado/circomlib/test/helpers/sha256.js b/@tornado/circomlib/test/helpers/sha256.js new file mode 100644 index 0000000..ec58ee1 --- /dev/null +++ b/@tornado/circomlib/test/helpers/sha256.js @@ -0,0 +1,178 @@ +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ +/* SHA-256 (FIPS 180-4) implementation in JavaScript (c) Chris Veness 2002-2017 */ +/* MIT Licence */ +/* www.movable-type.co.uk/scripts/sha256.html */ +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ + +'use strict'; + + +/** + * SHA-256 hash function reference implementation. + * + * This is an annotated direct implementation of FIPS 180-4, without any optimisations. It is + * intended to aid understanding of the algorithm rather than for production use. + * + * While it could be used where performance is not critical, I would recommend using the ‘Web + * Cryptography API’ (developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/digest) for the browser, + * or the ‘crypto’ library (nodejs.org/api/crypto.html#crypto_class_hash) in Node.js. + * + * See csrc.nist.gov/groups/ST/toolkit/secure_hashing.html + * csrc.nist.gov/groups/ST/toolkit/examples.html + */ +class Sha256 { + + /** + * Generates SHA-256 hash of string. + * + * @param {string} msg - (Unicode) string to be hashed. + * @param {Object} [options] + * @param {string} [options.msgFormat=string] - Message format: 'string' for JavaScript string + * (gets converted to UTF-8 for hashing); 'hex-bytes' for string of hex bytes ('616263' ≡ 'abc') . + * @param {string} [options.outFormat=hex] - Output format: 'hex' for string of contiguous + * hex bytes; 'hex-w' for grouping hex bytes into groups of (4 byte / 8 character) words. + * @returns {string} Hash of msg as hex character string. + */ + static hash(msg, options) { + const defaults = { msgFormat: 'string', outFormat: 'hex' }; + const opt = Object.assign(defaults, options); + + // note use throughout this routine of 'n >>> 0' to coerce Number 'n' to unsigned 32-bit integer + + switch (opt.msgFormat) { + default: // default is to convert string to UTF-8, as SHA only deals with byte-streams + case 'string': msg = utf8Encode(msg); break; + case 'hex-bytes':msg = hexBytesToString(msg); break; // mostly for running tests + } + + // constants [§4.2.2] + const K = [ + 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, + 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, + 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, + 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, + 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, + 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, + 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, + 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 ]; + + // initial hash value [§5.3.3] + const H = [ + 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19 ]; + + // PREPROCESSING [§6.2.1] + + msg += String.fromCharCode(0x80); // add trailing '1' bit (+ 0's padding) to string [§5.1.1] + + // convert string msg into 512-bit blocks (array of 16 32-bit integers) [§5.2.1] + const l = msg.length/4 + 2; // length (in 32-bit integers) of msg + ‘1’ + appended length + const N = Math.ceil(l/16); // number of 16-integer (512-bit) blocks required to hold 'l' ints + const M = new Array(N); // message M is N×16 array of 32-bit integers + + for (let i=0; i>> 32, but since JS converts + // bitwise-op args to 32 bits, we need to simulate this by arithmetic operators + const lenHi = ((msg.length-1)*8) / Math.pow(2, 32); + const lenLo = ((msg.length-1)*8) >>> 0; + M[N-1][14] = Math.floor(lenHi); + M[N-1][15] = lenLo; + + // HASH COMPUTATION [§6.2.2] + + for (let i=0; i>> 0; + } + + // 2 - initialise working variables a, b, c, d, e, f, g, h with previous hash value + let a = H[0], b = H[1], c = H[2], d = H[3], e = H[4], f = H[5], g = H[6], h = H[7]; + + // 3 - main loop (note '>>> 0' for 'addition modulo 2^32') + for (let t=0; t<64; t++) { + const T1 = h + Sha256.Σ1(e) + Sha256.Ch(e, f, g) + K[t] + W[t]; + const T2 = Sha256.Σ0(a) + Sha256.Maj(a, b, c); + h = g; + g = f; + f = e; + e = (d + T1) >>> 0; + d = c; + c = b; + b = a; + a = (T1 + T2) >>> 0; + } + + // 4 - compute the new intermediate hash value (note '>>> 0' for 'addition modulo 2^32') + H[0] = (H[0]+a) >>> 0; + H[1] = (H[1]+b) >>> 0; + H[2] = (H[2]+c) >>> 0; + H[3] = (H[3]+d) >>> 0; + H[4] = (H[4]+e) >>> 0; + H[5] = (H[5]+f) >>> 0; + H[6] = (H[6]+g) >>> 0; + H[7] = (H[7]+h) >>> 0; + } + + // convert H0..H7 to hex strings (with leading zeros) + for (let h=0; h prev + String.fromCharCode(curr), ''); + } catch (e) { // no TextEncoder available? + return unescape(encodeURIComponent(str)); // monsur.hossa.in/2012/07/20/utf-8-in-javascript.html + } + } + + function hexBytesToString(hexStr) { // convert string of hex numbers to a string of chars (eg '616263' -> 'abc'). + const str = hexStr.replace(' ', ''); // allow space-separated groups + return str=='' ? '' : str.match(/.{2}/g).map(byte => String.fromCharCode(parseInt(byte, 16))).join(''); + } + } + + + + /** + * Rotates right (circular right shift) value x by n positions [§3.2.4]. + * @private + */ + static ROTR(n, x) { + return (x >>> n) | (x << (32-n)); + } + + + /** + * Logical functions [§4.1.2]. + * @private + */ + static Σ0(x) { return Sha256.ROTR(2, x) ^ Sha256.ROTR(13, x) ^ Sha256.ROTR(22, x); } + static Σ1(x) { return Sha256.ROTR(6, x) ^ Sha256.ROTR(11, x) ^ Sha256.ROTR(25, x); } + static σ0(x) { return Sha256.ROTR(7, x) ^ Sha256.ROTR(18, x) ^ (x>>>3); } + static σ1(x) { return Sha256.ROTR(17, x) ^ Sha256.ROTR(19, x) ^ (x>>>10); } + static Ch(x, y, z) { return (x & y) ^ (~x & z); } // 'choice' + static Maj(x, y, z) { return (x & y) ^ (x & z) ^ (y & z); } // 'majority' + +} + + +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ + +if (typeof module != 'undefined' && module.exports) module.exports = Sha256; // ≡ export default Sha256 + diff --git a/@tornado/circomlib/test/mimccircuit.js b/@tornado/circomlib/test/mimccircuit.js new file mode 100644 index 0000000..90a3df7 --- /dev/null +++ b/@tornado/circomlib/test/mimccircuit.js @@ -0,0 +1,35 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); + +const mimcjs = require("../src/mimc7.js"); + +const assert = chai.assert; + +describe("MiMC Circuit test", function () { + let circuit; + + this.timeout(100000); + + before( async () => { + const cirDef = await compiler(path.join(__dirname, "circuits", "mimc_test.circom")); + + circuit = new snarkjs.Circuit(cirDef); + + console.log("MiMC constraints: " + circuit.nConstraints); + }); + + it("Should check constrain", async () => { + const w = circuit.calculateWitness({x_in: 1, k: 2}); + + const res = w[circuit.getSignalIdx("main.out")]; + + const res2 = mimcjs.hash(1,2,91); + + assert.equal(res.toString(), res2.toString()); + + assert(circuit.checkWitness(w)); + + }); +}); diff --git a/@tornado/circomlib/test/mimccontract.js b/@tornado/circomlib/test/mimccontract.js new file mode 100644 index 0000000..9c135d5 --- /dev/null +++ b/@tornado/circomlib/test/mimccontract.js @@ -0,0 +1,48 @@ +const ganache = require("ganache-cli"); +const Web3 = require("web3"); +const chai = require("chai"); +const mimcGenContract = require("../src/mimc_gencontract.js"); +const mimcjs = require("../src/mimc7.js"); + + +const assert = chai.assert; +const log = (msg) => { if (process.env.MOCHA_VERBOSE) console.log(msg); }; + +const SEED = "mimc"; + +describe("MiMC Smart contract test", function () { + let testrpc; + let web3; + let mimc; + let accounts; + + this.timeout(100000); + + before(async () => { + web3 = new Web3(ganache.provider(), null, { transactionConfirmationBlocks: 1 }); + accounts = await web3.eth.getAccounts(); + }); + + it("Should deploy the contract", async () => { + const C = new web3.eth.Contract(mimcGenContract.abi); + + mimc = await C.deploy({ + data: mimcGenContract.createCode(SEED, 91), + arguments: [] + }).send({ + gas: 1500000, + gasPrice: '30000000000000', + from: accounts[0] + }).on("error", (error) => { + console.log("ERROR: "+error); + }); + }); + + it("Shold calculate the mimic correctly", async () => { + const res = await mimc.methods.MiMCpe7(1,2).call(); + const res2 = await mimcjs.hash(1,2,91); + + assert.equal(res.toString(), res2.toString()); + }); +}); + diff --git a/@tornado/circomlib/test/mimcspongecircuit.js b/@tornado/circomlib/test/mimcspongecircuit.js new file mode 100644 index 0000000..96049b9 --- /dev/null +++ b/@tornado/circomlib/test/mimcspongecircuit.js @@ -0,0 +1,58 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); + +const mimcjs = require("../src/mimcsponge.js"); + +const assert = chai.assert; + +describe("MiMC Sponge Circuit test", function () { + let circuit; + + this.timeout(100000); + + it("Should check permutation", async () => { + const cirDef = await compiler(path.join(__dirname, "circuits", "mimc_sponge_test.circom")); + + circuit = new snarkjs.Circuit(cirDef); + + console.log("MiMC Feistel constraints: " + circuit.nConstraints); + + const w = circuit.calculateWitness({xL_in: 1, xR_in: 2, k: 3}); + + const xLout = w[circuit.getSignalIdx("main.xL_out")]; + const xRout = w[circuit.getSignalIdx("main.xR_out")]; + + const out2 = mimcjs.hash(1,2,3); + + assert.equal(xLout.toString(), out2.xL.toString()); + assert.equal(xRout.toString(), out2.xR.toString()); + + assert(circuit.checkWitness(w)); + + }); + + it("Should check hash", async () => { + const cirDef = await compiler(path.join(__dirname, "circuits", "mimc_sponge_hash_test.circom")); + + circuit = new snarkjs.Circuit(cirDef); + + console.log("MiMC Sponge constraints: " + circuit.nConstraints); + + const w = circuit.calculateWitness({ins: [1, 2], k: 0}); + + const o1 = w[circuit.getSignalIdx("main.outs[0]")]; + const o2 = w[circuit.getSignalIdx("main.outs[1]")]; + const o3 = w[circuit.getSignalIdx("main.outs[2]")]; + + const out2 = mimcjs.multiHash([1,2], 0, 3); + + assert.equal(o1.toString(), out2[0].toString()); + assert.equal(o2.toString(), out2[1].toString()); + assert.equal(o3.toString(), out2[2].toString()); + + assert(circuit.checkWitness(w)); + + }); +}); diff --git a/@tornado/circomlib/test/mimcspongecontract.js b/@tornado/circomlib/test/mimcspongecontract.js new file mode 100644 index 0000000..ba2ed75 --- /dev/null +++ b/@tornado/circomlib/test/mimcspongecontract.js @@ -0,0 +1,43 @@ +const ganache = require("ganache-cli"); +const Web3 = require("web3"); +const chai = require("chai"); +const mimcGenContract = require("../src/mimcsponge_gencontract.js"); +const mimcjs = require("../src/mimcsponge.js"); + + +const assert = chai.assert; +const log = (msg) => { if (process.env.MOCHA_VERBOSE) console.log(msg); }; + +const SEED = "mimcsponge"; + +describe("MiMC Sponge Smart contract test", () => { + let testrpc; + let web3; + let mimc; + let accounts; + + before(async () => { + web3 = new Web3(ganache.provider(), null, { transactionConfirmationBlocks: 1 }); + accounts = await web3.eth.getAccounts(); + }); + + it("Should deploy the contract", async () => { + const C = new web3.eth.Contract(mimcGenContract.abi); + + mimc = await C.deploy({ + data: mimcGenContract.createCode(SEED, 220) + }).send({ + gas: 3500000, + from: accounts[0] + }); + }); + + it("Shold calculate the mimc correctly", async () => { + const res = await mimc.methods.MiMCSponge(1,2).call(); + const res2 = await mimcjs.hash(1,2, 0); + + assert.equal(res.xL.toString(), res2.xL.toString()); + assert.equal(res.xR.toString(), res2.xR.toString()); + }); +}); + diff --git a/@tornado/circomlib/test/montgomery.js b/@tornado/circomlib/test/montgomery.js new file mode 100644 index 0000000..d10f2ea --- /dev/null +++ b/@tornado/circomlib/test/montgomery.js @@ -0,0 +1,99 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); +const babyJub = require("../src/babyjub.js"); + +const assert = chai.assert; + +const bigInt = snarkjs.bigInt; + +describe("Montgomery test", function () { + let circuitE2M; + let circuitM2E; + let circuitMAdd; + let circuitMDouble; + + let g = [ + snarkjs.bigInt("5299619240641551281634865583518297030282874472190772894086521144482721001553"), + snarkjs.bigInt("16950150798460657717958625567821834550301663161624707787222815936182638968203")]; + + let mg, mg2, g2, g3, mg3; + + this.timeout(100000); + before( async() => { + const cirDefE2M = await compiler(path.join(__dirname, "circuits", "edwards2montgomery.circom")); + circuitE2M = new snarkjs.Circuit(cirDefE2M); + console.log("NConstrains Edwards -> Montgomery: " + circuitE2M.nConstraints); + + const cirDefM2E = await compiler(path.join(__dirname, "circuits", "montgomery2edwards.circom")); + circuitM2E = new snarkjs.Circuit(cirDefM2E); + console.log("NConstrains Montgomery -> Edwards: " + circuitM2E.nConstraints); + + const cirDefMAdd = await compiler(path.join(__dirname, "circuits", "montgomeryadd.circom")); + circuitMAdd = new snarkjs.Circuit(cirDefMAdd); + console.log("NConstrains Montgomery Add: " + circuitMAdd.nConstraints); + + const cirDefMDouble = await compiler(path.join(__dirname, "circuits", "montgomerydouble.circom")); + circuitMDouble = new snarkjs.Circuit(cirDefMDouble); + console.log("NConstrains Montgomery Double: " + circuitMDouble.nConstraints); + }); + it("Convert Edwards to Montgomery and back again", async () => { + let w, xout, yout; + + w = circuitE2M.calculateWitness({ in: g}); + + xout = w[circuitE2M.getSignalIdx("main.out[0]")]; + yout = w[circuitE2M.getSignalIdx("main.out[1]")]; + + mg = [xout, yout]; + + w = circuitM2E.calculateWitness({ in: [xout, yout]}); + + xout = w[circuitM2E.getSignalIdx("main.out[0]")]; + yout = w[circuitM2E.getSignalIdx("main.out[1]")]; + + assert(xout.equals(g[0])); + assert(yout.equals(g[1])); + }); + it("Should double a point", async () => { + let w, xout, yout; + + g2 = babyJub.addPoint(g,g); + + w = circuitMDouble.calculateWitness({ in: mg}); + + xout = w[circuitE2M.getSignalIdx("main.out[0]")]; + yout = w[circuitE2M.getSignalIdx("main.out[1]")]; + + mg2 = [xout, yout]; + + w = circuitM2E.calculateWitness({ in: mg2}); + + xout = w[circuitM2E.getSignalIdx("main.out[0]")]; + yout = w[circuitM2E.getSignalIdx("main.out[1]")]; + + assert(xout.equals(g2[0])); + assert(yout.equals(g2[1])); + }); + it("Should add a point", async () => { + let w, xout, yout; + + g3 = babyJub.addPoint(g,g2); + + w = circuitMAdd.calculateWitness({ in1: mg, in2: mg2}); + + xout = w[circuitMAdd.getSignalIdx("main.out[0]")]; + yout = w[circuitMAdd.getSignalIdx("main.out[1]")]; + + mg3 = [xout, yout]; + + w = circuitM2E.calculateWitness({ in: mg3}); + + xout = w[circuitM2E.getSignalIdx("main.out[0]")]; + yout = w[circuitM2E.getSignalIdx("main.out[1]")]; + + assert(xout.equals(g3[0])); + assert(yout.equals(g3[1])); + }); +}); diff --git a/@tornado/circomlib/test/multiplexer.js b/@tornado/circomlib/test/multiplexer.js new file mode 100644 index 0000000..4a6dbf1 --- /dev/null +++ b/@tornado/circomlib/test/multiplexer.js @@ -0,0 +1,133 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); + +const assert = chai.assert; + +const bigInt = snarkjs.bigInt; + + +describe("Mux4 test", () => { + it("Should create a constant multiplexer 4", async () => { + + const cirDef = await compiler(path.join(__dirname, "circuits", "mux4_1.circom")); + +// console.log(JSON.stringify(cirDef, null, 1)); + +// assert.equal(cirDef.nVars, 2); + + const circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains Mux4: " + circuit.nConstraints); + + const ct16 = [ + bigInt("123"), + bigInt("456"), + bigInt("789"), + bigInt("012"), + bigInt("111"), + bigInt("222"), + bigInt("333"), + bigInt("4546"), + bigInt("134523"), + bigInt("44356"), + bigInt("15623"), + bigInt("4566"), + bigInt("1223"), + bigInt("4546"), + bigInt("4256"), + bigInt("4456") + ]; + + for (let i=0; i<16; i++) { + const w = circuit.calculateWitness({ "selector": i }); + + assert(circuit.checkWitness(w)); + + assert(w[0].equals(bigInt(1))); + + // console.log(i + " -> " + w[circuit.getSignalIdx("main.out")].toString()); + assert(w[circuit.getSignalIdx("main.out")].equals(ct16[i])); + } + }); + + it("Should create a constant multiplexer 3", async () => { + + const cirDef = await compiler(path.join(__dirname, "circuits", "mux3_1.circom")); + + const circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains Mux3: " + circuit.nConstraints); + + const ct8 = [ + bigInt("37"), + bigInt("47"), + bigInt("53"), + bigInt("71"), + bigInt("89"), + bigInt("107"), + bigInt("163"), + bigInt("191") + ]; + + for (let i=0; i<8; i++) { + const w = circuit.calculateWitness({ "selector": i }); + + assert(w[0].equals(bigInt(1))); + + // console.log(i + " -> " + w[circuit.getSignalIdx("main.out")].toString()); + assert(w[circuit.getSignalIdx("main.out")].equals(ct8[i])); + } + }); + it("Should create a constant multiplexer 2", async () => { + + const cirDef = await compiler(path.join(__dirname, "circuits", "mux2_1.circom")); + + const circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains Mux2: " + circuit.nConstraints); + + const ct8 = [ + bigInt("37"), + bigInt("47"), + bigInt("53"), + bigInt("71"), + ]; + + for (let i=0; i<4; i++) { + const w = circuit.calculateWitness({ "selector": i }); + + assert(circuit.checkWitness(w)); + + assert(w[0].equals(bigInt(1))); + + // console.log(i + " -> " + w[circuit.getSignalIdx("main.out")].toString()); + assert(w[circuit.getSignalIdx("main.out")].equals(ct8[i])); + } + }); + it("Should create a constant multiplexer 1", async () => { + + const cirDef = await compiler(path.join(__dirname, "circuits", "mux1_1.circom")); + + const circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains Mux1: " + circuit.nConstraints); + + const ct8 = [ + bigInt("37"), + bigInt("47"), + ]; + + for (let i=0; i<2; i++) { + const w = circuit.calculateWitness({ "selector": i }); + + assert(circuit.checkWitness(w)); + + assert(w[0].equals(bigInt(1))); + + // console.log(i + " -> " + w[circuit.getSignalIdx("main.out")].toString()); + assert(w[circuit.getSignalIdx("main.out")].equals(ct8[i])); + } + }); +}); diff --git a/@tornado/circomlib/test/pedersen.js b/@tornado/circomlib/test/pedersen.js new file mode 100644 index 0000000..f45583b --- /dev/null +++ b/@tornado/circomlib/test/pedersen.js @@ -0,0 +1,100 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); + +const assert = chai.assert; + +const bigInt = snarkjs.bigInt; + +const babyJub = require("../src/babyjub.js"); + +const PBASE = + [ + [bigInt("10457101036533406547632367118273992217979173478358440826365724437999023779287"),bigInt("19824078218392094440610104313265183977899662750282163392862422243483260492317")], + [bigInt("2671756056509184035029146175565761955751135805354291559563293617232983272177"),bigInt("2663205510731142763556352975002641716101654201788071096152948830924149045094")], + [bigInt("5802099305472655231388284418920769829666717045250560929368476121199858275951"),bigInt("5980429700218124965372158798884772646841287887664001482443826541541529227896")], + [bigInt("7107336197374528537877327281242680114152313102022415488494307685842428166594"),bigInt("2857869773864086953506483169737724679646433914307247183624878062391496185654")], + [bigInt("20265828622013100949498132415626198973119240347465898028410217039057588424236"),bigInt("1160461593266035632937973507065134938065359936056410650153315956301179689506")] + ]; + +describe("Double Pedersen test", function() { + let circuit; + this.timeout(100000); + before( async() => { + const cirDef = await compiler(path.join(__dirname, "circuits", "pedersen_test.circom")); + + circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains: " + circuit.nConstraints); + }); + it("Should pedersen at zero", async () => { + + let w, xout, yout; + + w = circuit.calculateWitness({ in: ["0", "0"]}); + + xout = w[circuit.getSignalIdx("main.out[0]")]; + yout = w[circuit.getSignalIdx("main.out[1]")]; + + assert(xout.equals("0")); + assert(yout.equals("1")); + }); + it("Should pedersen at one first generator", async () => { + let w, xout, yout; + + w = circuit.calculateWitness({ in: ["1", "0"]}); + + xout = bigInt(w[circuit.getSignalIdx("main.out[0]")]); + yout = bigInt(w[circuit.getSignalIdx("main.out[1]")]); + + assert(xout.equals(PBASE[0][0])); + assert(yout.equals(PBASE[0][1])); + }); + it("Should pedersen at one second generator", async () => { + let w, xout, yout; + + w = circuit.calculateWitness({ in: ["0", "1"]}); + + xout = w[circuit.getSignalIdx("main.out[0]")]; + yout = w[circuit.getSignalIdx("main.out[1]")]; + + assert(xout.equals(PBASE[1][0])); + assert(yout.equals(PBASE[1][1])); + + }); + it("Should pedersen at mixed generators", async () => { + let w, xout, yout; + w = circuit.calculateWitness({ in: ["3", "7"]}); + + xout = w[circuit.getSignalIdx("main.out[0]")]; + yout = w[circuit.getSignalIdx("main.out[1]")]; + + + const r = babyJub.addPoint( + babyJub.mulPointEscalar(PBASE[0], 3), + babyJub.mulPointEscalar(PBASE[1], 7) + ); + + assert(xout.equals(r[0])); + assert(yout.equals(r[1])); + + }); + it("Should pedersen all ones", async () => { + let w, xout, yout; + + const allOnes = bigInt("1").shl(250).sub(bigInt("1")); + w = circuit.calculateWitness({ in: [allOnes, allOnes]}); + + xout = w[circuit.getSignalIdx("main.out[0]")]; + yout = w[circuit.getSignalIdx("main.out[1]")]; + + const r2 = babyJub.addPoint( + babyJub.mulPointEscalar(PBASE[0], allOnes), + babyJub.mulPointEscalar(PBASE[1], allOnes) + ); + + assert(xout.equals(r2[0])); + assert(yout.equals(r2[1])); + }); +}); diff --git a/@tornado/circomlib/test/pedersen2.js b/@tornado/circomlib/test/pedersen2.js new file mode 100644 index 0000000..cac156c --- /dev/null +++ b/@tornado/circomlib/test/pedersen2.js @@ -0,0 +1,74 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); + +const assert = chai.assert; + +const bigInt = snarkjs.bigInt; + +const babyJub = require("../src/babyjub.js"); +const pedersen = require("../src/pedersenHash.js"); + + +describe("Pedersen test", function() { + let circuit; + this.timeout(100000); + before( async() => { + const cirDef = await compiler(path.join(__dirname, "circuits", "pedersen2_test.circom")); + + circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains Pedersen2: " + circuit.nConstraints); + }); + it("Should pedersen at zero", async () => { + + let w, xout, yout; + + w = circuit.calculateWitness({ in: 0}); + + xout = w[circuit.getSignalIdx("main.out[0]")]; + yout = w[circuit.getSignalIdx("main.out[1]")]; + + const b = Buffer.alloc(32); + + const h = pedersen.hash(b); + const hP = babyJub.unpackPoint(h); + + /* + console.log(`[${xout.toString()}, ${yout.toString()}]`); + console.log(`[${hP[0].toString()}, ${hP[1].toString()}]`); + */ + + assert(xout.equals(hP[0])); + assert(yout.equals(hP[1])); + }); + it("Should pedersen with 253 ones", async () => { + + let w, xout, yout; + + const n = bigInt.one.shl(253).sub(bigInt.one); + console.log(n.toString(16)); + + w = circuit.calculateWitness({ in: n}); + + xout = w[circuit.getSignalIdx("main.out[0]")]; + yout = w[circuit.getSignalIdx("main.out[1]")]; + + const b = Buffer.alloc(32); + for (let i=0; i<31; i++) b[i] = 0xFF; + b[31] = 0x1F; + + + const h = pedersen.hash(b); + const hP = babyJub.unpackPoint(h); + + /* + console.log(`[${xout.toString()}, ${yout.toString()}]`); + console.log(`[${hP[0].toString()}, ${hP[1].toString()}]`); + */ + + assert(xout.equals(hP[0])); + assert(yout.equals(hP[1])); + }); +}); diff --git a/@tornado/circomlib/test/point2bits.js b/@tornado/circomlib/test/point2bits.js new file mode 100644 index 0000000..a216ba8 --- /dev/null +++ b/@tornado/circomlib/test/point2bits.js @@ -0,0 +1,33 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); + +const assert = chai.assert; + +const bigInt = snarkjs.bigInt; + +const babyJub = require("../src/babyjub.js"); + + +describe("Point 2 bits test", function() { + let circuit; + this.timeout(100000); + before( async() => { + const cirDef = await compiler(path.join(__dirname, "circuits", "pointbits_loopback.circom")); + + circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains Point2Bits loopback: " + circuit.nConstraints); + }); + it("Should do the both convertions for 8Base", async () => { + const w = circuit.calculateWitness({ in: babyJub.Base8}); + + assert(circuit.checkWitness(w)); + }); + it("Should do the both convertions for Zero point", async () => { + const w = circuit.calculateWitness({ in: [0, 1]}); + + assert(circuit.checkWitness(w)); + }); +}); diff --git a/@tornado/circomlib/test/poseidoncircuit.js b/@tornado/circomlib/test/poseidoncircuit.js new file mode 100644 index 0000000..9d17edf --- /dev/null +++ b/@tornado/circomlib/test/poseidoncircuit.js @@ -0,0 +1,60 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); +var blake2b = require('blake2b'); + +const poseidon = require("../src/poseidon.js"); + +const assert = chai.assert; + +describe("Blake2b version test", function() { + it("Should give the expected output for blake2b version", async () => { + var output = new Uint8Array(32); + var input = Buffer.from('poseidon_constants'); + h = blake2b(output.length).update(input).digest('hex') + assert.equal('e57ba154fb2c47811dc1a2369b27e25a44915b4e4ece4eb8ec74850cb78e01b1', h); + }); +}); + +describe("Poseidon Circuit test", function () { + let circuit; + + this.timeout(100000); + + before( async () => { + const cirDef = await compiler(path.join(__dirname, "circuits", "poseidon_test.circom")); + + circuit = new snarkjs.Circuit(cirDef); + + console.log("Poseidon constraints: " + circuit.nConstraints); + }); + + it("Should check constrain of hash([1, 2])", async () => { + const w = circuit.calculateWitness({inputs: [1, 2]}); + + const res = w[circuit.getSignalIdx("main.out")]; + + const hash = poseidon.createHash(6, 8, 57); + + const res2 = hash([1,2]); + assert.equal('12242166908188651009877250812424843524687801523336557272219921456462821518061', res2.toString()); + assert.equal(res.toString(), res2.toString()); + assert(circuit.checkWitness(w)); + }); + + it("Should check constrain of hash([3, 4])", async () => { + const w = circuit.calculateWitness({inputs: [3, 4]}); + + const res = w[circuit.getSignalIdx("main.out")]; + + const hash = poseidon.createHash(6, 8, 57); + + const res2 = hash([3, 4]); + assert.equal('17185195740979599334254027721507328033796809509313949281114643312710535000993', res2.toString()); + + assert.equal(res.toString(), res2.toString()); + + assert(circuit.checkWitness(w)); + }); +}); diff --git a/@tornado/circomlib/test/poseidoncontract.js b/@tornado/circomlib/test/poseidoncontract.js new file mode 100644 index 0000000..b49081d --- /dev/null +++ b/@tornado/circomlib/test/poseidoncontract.js @@ -0,0 +1,49 @@ +const ganache = require("ganache-cli"); +const Web3 = require("web3"); +const chai = require("chai"); +const poseidonGenContract = require("../src/poseidon_gencontract.js"); +const Poseidon = require("../src/poseidon.js"); +const bigInt = require("@tornado/snarkjs").bigInt; + +const assert = chai.assert; +const log = (msg) => { if (process.env.MOCHA_VERBOSE) console.log(msg); }; + +const SEED = "mimc"; + +describe("Poseidon Smart contract test", () => { + let testrpc; + let web3; + let mimc; + let accounts; + + before(async () => { + web3 = new Web3(ganache.provider(), null, { transactionConfirmationBlocks: 1 }); + accounts = await web3.eth.getAccounts(); + }); + + it("Should deploy the contract", async () => { + const C = new web3.eth.Contract(poseidonGenContract.abi); + + mimc = await C.deploy({ + data: poseidonGenContract.createCode() + }).send({ + gas: 2500000, + from: accounts[0] + }); + }); + + it("Shold calculate the mimic correctly", async () => { + + const res = await mimc.methods.poseidon([1,2]).call(); + + // console.log("Cir: " + bigInt(res.toString(16)).toString(16)); + + const hash = Poseidon.createHash(6, 8, 57); + + const res2 = hash([1,2]); + // console.log("Ref: " + bigInt(res2).toString(16)); + + assert.equal(res.toString(), res2.toString()); + }); +}); + diff --git a/@tornado/circomlib/test/rawsmt3.circom b/@tornado/circomlib/test/rawsmt3.circom new file mode 100644 index 0000000..1ac1e40 --- /dev/null +++ b/@tornado/circomlib/test/rawsmt3.circom @@ -0,0 +1,23 @@ + +include "../circuits/smt/smtverifier.circom"; +template SMT(nLevels) { + signal input root; + signal input mtp[nLevels]; + signal input hi; + signal input hv; + + component smtClaimExists = SMTVerifier(nLevels); + smtClaimExists.enabled <== 1; + smtClaimExists.fnc <== 0; + smtClaimExists.root <== root; + for (var i=0; i> (7-j) &1)); + } + } + return res; +} + +function bitArray2buffer(a) { + const len = Math.floor((a.length -1 )/8)+1; + const b = new Buffer.alloc(len); + + for (let i=0; i { + + + it("Should work bits to array and array to bits", async () => { + const b = new Buffer.alloc(64); + for (let i=0; i<64; i++) { + b[i] = i+1; + } + const a = buffer2bitArray(b); + const b2 = bitArray2buffer(a); + + assert.equal(b.toString("hex"), b2.toString("hex")); + }); + + it("Should calculate a hash of 1 compressor", async () => { + const cirDef = await compiler(path.join(__dirname, "circuits", "sha256_2_test.circom")); + const circuit = new snarkjs.Circuit(cirDef); + + console.log("Vars: "+circuit.nVars); + console.log("Constraints: "+circuit.nConstraints); + + const witness = circuit.calculateWitness({ "a": "1", "b": "2" }); + + const b = new Buffer.alloc(54); + b[26] = 1; + b[53] = 2; + + const hash = crypto.createHash("sha256") + .update(b) + .digest("hex"); + const r = "0x" + hash.slice(10); + + const hash2 = sha256.hash(b.toString("hex"), {msgFormat: "hex-bytes"}); + + assert.equal(hash, hash2); + + assert(witness[1].equals(snarkjs.bigInt(r))); + }).timeout(1000000); + + it("Should calculate a hash of 2 compressor", async () => { + const cirDef = await compiler(path.join(__dirname, "circuits", "sha256_test512.circom"), {reduceConstraints:false} ); + const circuit = new snarkjs.Circuit(cirDef); + + console.log("Vars: "+circuit.nVars); + console.log("Constraints: "+circuit.nConstraints); + +/* + const testStr = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"; + + const b = Buffer.from(testStr, 'utf8'); +*/ + const b = new Buffer.alloc(64); + for (let i=0; i<64; i++) { + b[i] = i+1; + } + + const hash = crypto.createHash("sha256") + .update(b) + .digest("hex"); + + const arrIn = buffer2bitArray(b); + const witness = circuit.calculateWitness({ "in": arrIn } /*, {logOutput: true} */); + + const arrOut = witness.slice(1, 257); + const hash2 = bitArray2buffer(arrOut).toString("hex"); + + assert.equal(hash, hash2); + + }).timeout(1000000); + + + it("Should calculate a hash of 2 compressor", async () => { + const cirDef = await compiler(path.join(__dirname, "circuits", "sha256_test448.circom"), {reduceConstraints:false} ); + const circuit = new snarkjs.Circuit(cirDef); + + console.log("Vars: "+circuit.nVars); + console.log("Constraints: "+circuit.nConstraints); + + + const testStr = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"; + + const b = Buffer.from(testStr, 'utf8'); + for (let i=0; i<64; i++) { + b[i] = i+1; + } + + const hash = crypto.createHash("sha256") + .update(b) + .digest("hex"); + + const arrIn = buffer2bitArray(b); + const witness = circuit.calculateWitness({ "in": arrIn } /*, {logOutput: true} */); + + const arrOut = witness.slice(1, 257); + const hash2 = bitArray2buffer(arrOut).toString("hex"); + + assert.equal(hash, hash2); + + }).timeout(1000000); +}); diff --git a/@tornado/circomlib/test/sign.js b/@tornado/circomlib/test/sign.js new file mode 100644 index 0000000..b794601 --- /dev/null +++ b/@tornado/circomlib/test/sign.js @@ -0,0 +1,88 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); + +const assert = chai.assert; + +const bigInt = snarkjs.bigInt; + +function print(circuit, w, s) { + console.log(s + ": " + w[circuit.getSignalIdx(s)]); +} + +function getBits(v, n) { + const res = []; + for (let i=0; i { + let circuit; + before( async() => { + const cirDef = await compiler(path.join(__dirname, "circuits", "sign_test.circom")); + + circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains: " + circuit.nConstraints); + }); + + it("Sign of 0", async () => { + const inp = getBits(bigInt.zero, 254); + const w = circuit.calculateWitness({in: inp}); + + assert( w[circuit.getSignalIdx("main.sign")].equals(bigInt(0)) ); + }); + + it("Sign of 3", async () => { + const inp = getBits(bigInt(3), 254); + const w = circuit.calculateWitness({in: inp}); + + assert( w[circuit.getSignalIdx("main.sign")].equals(bigInt(0)) ); + }); + + it("Sign of q/2", async () => { + const inp = getBits(q.shr(bigInt.one), 254); + const w = circuit.calculateWitness({in: inp}); + + assert( w[circuit.getSignalIdx("main.sign")].equals(bigInt(0)) ); + }); + + it("Sign of q/2+1", async () => { + const inp = getBits(q.shr(bigInt.one).add(bigInt.one), 254); + const w = circuit.calculateWitness({in: inp}); + + assert( w[circuit.getSignalIdx("main.sign")].equals(bigInt(1)) ); + }); + + it("Sign of q-1", async () => { + const inp = getBits(q.sub(bigInt.one), 254); + const w = circuit.calculateWitness({in: inp}); + + assert( w[circuit.getSignalIdx("main.sign")].equals(bigInt(1)) ); + }); + + it("Sign of q", async () => { + const inp = getBits(q, 254); + const w = circuit.calculateWitness({in: inp}); + + assert( w[circuit.getSignalIdx("main.sign")].equals(bigInt(1)) ); + }); + + it("Sign of all ones", async () => { + const inp = getBits(bigInt(1).shl(254).sub(bigInt(1)), 254); + const w = circuit.calculateWitness({in: inp}); + + assert( w[circuit.getSignalIdx("main.sign")].equals(bigInt(1)) ); + }); + + +}); diff --git a/@tornado/circomlib/test/smtjs.js b/@tornado/circomlib/test/smtjs.js new file mode 100644 index 0000000..fdc9402 --- /dev/null +++ b/@tornado/circomlib/test/smtjs.js @@ -0,0 +1,182 @@ +const chai = require("chai"); +const snarkjs = require("@tornado/snarkjs"); + +const smt = require("../src/smt.js"); + +const assert = chai.assert; + +const bigInt = snarkjs.bigInt; + + +function stringifyBigInts(o) { + if ((typeof(o) == "bigint") || (o instanceof bigInt)) { + return o.toString(10); + } else if (Array.isArray(o)) { + return o.map(stringifyBigInts); + } else if (typeof o == "object") { + const res = {}; + for (let k in o) { + res[k] = stringifyBigInts(o[k]); + } + return res; + } else { + return o; + } +} + +describe("SMT Javascript test", function () { + this.timeout(100000); + before( async () => { + }); + + it("Should insert 2 elements and empty them", async () => { + const tree = await smt.newMemEmptyTrie(); + const key1 = bigInt(111); + const value1 = bigInt(222); + const key2 = bigInt(333); + const value2 = bigInt(444); + + await tree.insert(key1,value1); + await tree.insert(key2,value2); + await tree.delete(key2); + await tree.delete(key1); + + assert(tree.root.isZero()); + }); + + it("Should insert 3 elements in dferent order and should be the same", async () => { + const keys = [bigInt(8), bigInt(9), bigInt(32)]; + const values = [bigInt(88), bigInt(99), bigInt(3232)]; + const tree1 = await smt.newMemEmptyTrie(); + const tree2 = await smt.newMemEmptyTrie(); + const tree3 = await smt.newMemEmptyTrie(); + const tree4 = await smt.newMemEmptyTrie(); + const tree5 = await smt.newMemEmptyTrie(); + const tree6 = await smt.newMemEmptyTrie(); + + await tree1.insert(keys[0],values[0]); + await tree1.insert(keys[1],values[1]); + await tree1.insert(keys[2],values[2]); + + await tree2.insert(keys[0],values[0]); + await tree2.insert(keys[2],values[2]); + await tree2.insert(keys[1],values[1]); + + await tree3.insert(keys[1],values[1]); + await tree3.insert(keys[0],values[0]); + await tree3.insert(keys[2],values[2]); + + await tree4.insert(keys[1],values[1]); + await tree4.insert(keys[2],values[2]); + await tree4.insert(keys[0],values[0]); + + await tree5.insert(keys[2],values[2]); + await tree5.insert(keys[0],values[0]); + await tree5.insert(keys[1],values[1]); + + await tree6.insert(keys[2],values[2]); + await tree6.insert(keys[1],values[1]); + await tree6.insert(keys[0],values[0]); + + assert(tree1.root.equals(tree2.root)); + assert(tree2.root.equals(tree3.root)); + assert(tree3.root.equals(tree4.root)); + assert(tree4.root.equals(tree5.root)); + assert(tree5.root.equals(tree6.root)); + + assert.equal(Object.keys(tree1.db.nodes).length, Object.keys(tree2.db.nodes).length); + assert.equal(Object.keys(tree2.db.nodes).length, Object.keys(tree3.db.nodes).length); + assert.equal(Object.keys(tree3.db.nodes).length, Object.keys(tree4.db.nodes).length); + assert.equal(Object.keys(tree4.db.nodes).length, Object.keys(tree5.db.nodes).length); + assert.equal(Object.keys(tree5.db.nodes).length, Object.keys(tree6.db.nodes).length); + + await tree1.delete(keys[0]); + await tree1.delete(keys[1]); + await tree2.delete(keys[1]); + await tree2.delete(keys[0]); + assert(tree1.root.equals(tree2.root)); + + await tree3.delete(keys[0]); + await tree3.delete(keys[2]); + await tree4.delete(keys[2]); + await tree4.delete(keys[0]); + assert(tree3.root.equals(tree4.root)); + + await tree5.delete(keys[1]); + await tree5.delete(keys[2]); + await tree6.delete(keys[2]); + await tree6.delete(keys[1]); + assert(tree5.root.equals(tree6.root)); + + await tree1.delete(keys[2]); + await tree2.delete(keys[2]); + await tree3.delete(keys[1]); + await tree4.delete(keys[1]); + await tree5.delete(keys[0]); + await tree6.delete(keys[0]); + + assert(tree1.root.isZero()); + assert(tree2.root.isZero()); + assert(tree3.root.isZero()); + assert(tree4.root.isZero()); + assert(tree5.root.isZero()); + assert(tree6.root.isZero()); + + assert.equal(Object.keys(tree1.db.nodes).length, 0); + assert.equal(Object.keys(tree2.db.nodes).length, 0); + assert.equal(Object.keys(tree3.db.nodes).length, 0); + assert.equal(Object.keys(tree4.db.nodes).length, 0); + assert.equal(Object.keys(tree5.db.nodes).length, 0); + assert.equal(Object.keys(tree6.db.nodes).length, 0); + }); + + it("Insert and remove 100 numbers randomly", async () => { + function perm(a) { + const arr = a.slice(); + const rArr = []; + for (let i=0; i { + const tree1 = await smt.newMemEmptyTrie(); + const tree2 = await smt.newMemEmptyTrie(); + + await tree1.insert(8,88); + await tree1.insert(9,99,); + await tree1.insert(32,3232); + + await tree2.insert(8,888); + await tree2.insert(9,999); + await tree2.insert(32,323232); + + await tree1.update(8, 888); + await tree1.update(9, 999); + await tree1.update(32, 323232); + + assert(tree1.root.equals(tree2.root)); + }); + +}); diff --git a/@tornado/circomlib/test/smtprocessor.js b/@tornado/circomlib/test/smtprocessor.js new file mode 100644 index 0000000..70c2284 --- /dev/null +++ b/@tornado/circomlib/test/smtprocessor.js @@ -0,0 +1,217 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); + +const smt = require("../src/smt.js"); + +const assert = chai.assert; + +const bigInt = snarkjs.bigInt; + +function print(circuit, w, s) { + console.log(s + ": " + w[circuit.getSignalIdx(s)]); +} + +async function testInsert(tree, key, value, circuit, log ) { + + const res = await tree.insert(key,value); + let siblings = res.siblings; + while (siblings.length<10) siblings.push(bigInt(0)); + + const w = circuit.calculateWitness({ + fnc: [1,0], + oldRoot: res.oldRoot, + siblings: siblings, + oldKey: res.isOld0 ? 0 : res.oldKey, + oldValue: res.isOld0 ? 0 : res.oldValue, + isOld0: res.isOld0 ? 1 : 0, + newKey: key, + newValue: value + }, log); + + const root1 = w[circuit.getSignalIdx("main.newRoot")]; + assert(circuit.checkWitness(w)); + assert(root1.equals(res.newRoot)); +} + +async function testDelete(tree, key, circuit) { + const res = await tree.delete(key); + let siblings = res.siblings; + while (siblings.length<10) siblings.push(bigInt(0)); + + const w = circuit.calculateWitness({ + fnc: [1,1], + oldRoot: res.oldRoot, + siblings: siblings, + oldKey: res.isOld0 ? 0 : res.oldKey, + oldValue: res.isOld0 ? 0 : res.oldValue, + isOld0: res.isOld0 ? 1 : 0, + newKey: res.delKey, + newValue: res.delValue + }); + + const root1 = w[circuit.getSignalIdx("main.newRoot")]; + + assert(circuit.checkWitness(w)); + assert(root1.equals(res.newRoot)); +} + +async function testUpdate(tree, key, newValue, circuit) { + const res = await tree.update(key, newValue); + let siblings = res.siblings; + while (siblings.length<10) siblings.push(bigInt(0)); + + const w = circuit.calculateWitness({ + fnc: [0,1], + oldRoot: res.oldRoot, + siblings: siblings, + oldKey: res.oldKey, + oldValue: res.oldValue, + isOld0: 0, + newKey: res.newKey, + newValue: res.newValue + }); + + const root1 = w[circuit.getSignalIdx("main.newRoot")]; + + assert(circuit.checkWitness(w)); + assert(root1.equals(res.newRoot)); +} + + +describe("SMT test", function () { + let circuit; + let tree; + + this.timeout(10000000); + + before( async () => { + const cirDef = await compiler(path.join(__dirname, "circuits", "smtprocessor10_test.circom")); + + circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains SMTProcessor: " + circuit.nConstraints); + + tree = await smt.newMemEmptyTrie(); + }); + + it("Should verify an insert to an empty tree", async () => { + const key = bigInt(111); + const value = bigInt(222); + + await testInsert(tree, key, value, circuit); + }); + + it("It should add another element", async () => { + const key = bigInt(333); + const value = bigInt(444); + + await testInsert(tree, key, value, circuit); + }); + + + + it("Should remove an element", async () => { + await testDelete(tree, 111, circuit); + await testDelete(tree, 333, circuit); + }); + + it("Should test convination of adding and removing 3 elements", async () => { + const keys = [bigInt(8), bigInt(9), bigInt(32)]; + const values = [bigInt(88), bigInt(99), bigInt(3232)]; + const tree1 = await smt.newMemEmptyTrie(); + const tree2 = await smt.newMemEmptyTrie(); + const tree3 = await smt.newMemEmptyTrie(); + const tree4 = await smt.newMemEmptyTrie(); + const tree5 = await smt.newMemEmptyTrie(); + const tree6 = await smt.newMemEmptyTrie(); + + await testInsert(tree1,keys[0],values[0], circuit); + await testInsert(tree1,keys[1],values[1], circuit); + await testInsert(tree1,keys[2],values[2], circuit); + + await testInsert(tree2,keys[0],values[0], circuit); + await testInsert(tree2,keys[2],values[2], circuit); + await testInsert(tree2,keys[1],values[1], circuit); + + await testInsert(tree3,keys[1],values[1], circuit); + await testInsert(tree3,keys[0],values[0], circuit); + await testInsert(tree3,keys[2],values[2], circuit); + + await testInsert(tree4,keys[1],values[1], circuit); + await testInsert(tree4,keys[2],values[2], circuit); + await testInsert(tree4,keys[0],values[0], circuit); + + await testInsert(tree5,keys[2],values[2], circuit); + await testInsert(tree5,keys[0],values[0], circuit); + await testInsert(tree5,keys[1],values[1], circuit); + + await testInsert(tree6,keys[2],values[2], circuit); + await testInsert(tree6,keys[1],values[1], circuit); + await testInsert(tree6,keys[0],values[0], circuit); + + + await testDelete(tree1, keys[0], circuit); + await testDelete(tree1, keys[1], circuit); + await testDelete(tree2, keys[1], circuit); + await testDelete(tree2, keys[0], circuit); + + await testDelete(tree3, keys[0], circuit); + await testDelete(tree3, keys[2], circuit); + await testDelete(tree4, keys[2], circuit); + await testDelete(tree4, keys[0], circuit); + + + await testDelete(tree5, keys[1], circuit); + await testDelete(tree5, keys[2], circuit); + await testDelete(tree6, keys[2], circuit); + await testDelete(tree6, keys[1], circuit); + + await testDelete(tree1, keys[2], circuit); + await testDelete(tree2, keys[2], circuit); + await testDelete(tree3, keys[1], circuit); + await testDelete(tree4, keys[1], circuit); + await testDelete(tree5, keys[0], circuit); + await testDelete(tree6, keys[0], circuit); + }); + + it("Should match a NOp with random vals", async () => { + let siblings = []; + while (siblings.length<10) siblings.push(bigInt(88)); + const w = circuit.calculateWitness({ + fnc: [0,0], + oldRoot: 11, + siblings: siblings, + oldKey: 33, + oldValue: 44, + isOld0: 55, + newKey: 66, + newValue: 77 + }); + + const root1 = w[circuit.getSignalIdx("main.oldRoot")]; + const root2 = w[circuit.getSignalIdx("main.newRoot")]; + + assert(circuit.checkWitness(w)); + assert(root1.equals(root2)); + + }); + it("Should update an element", async () => { + const tree1 = await smt.newMemEmptyTrie(); + const tree2 = await smt.newMemEmptyTrie(); + + await testInsert(tree1,8,88, circuit); + await testInsert(tree1,9,99, circuit); + await testInsert(tree1,32,3232, circuit); + + await testInsert(tree2,8,888, circuit); + await testInsert(tree2,9,999, circuit); + await testInsert(tree2,32,323232, circuit); + + await testUpdate(tree1, 8, 888, circuit); + await testUpdate(tree1, 9, 999, circuit); + await testUpdate(tree1, 32, 323232, circuit); + }); + +}); diff --git a/@tornado/circomlib/test/smtverifier.js b/@tornado/circomlib/test/smtverifier.js new file mode 100644 index 0000000..417f9e8 --- /dev/null +++ b/@tornado/circomlib/test/smtverifier.js @@ -0,0 +1,138 @@ +const chai = require("chai"); +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); + +const smt = require("../src/smt.js"); + +const assert = chai.assert; + +const bigInt = snarkjs.bigInt; + +function print(circuit, w, s) { + console.log(s + ": " + w[circuit.getSignalIdx(s)]); +} + +async function testInclusion(tree, key, circuit) { + + const res = await tree.find(key); + + assert(res.found); + let siblings = res.siblings; + while (siblings.length<10) siblings.push(bigInt(0)); + + const w = circuit.calculateWitness({ + enabled: 1, + fnc: 0, + root: tree.root, + siblings: siblings, + oldKey: 0, + oldValue: 0, + isOld0: 0, + key: key, + value: res.foundValue + }); + + assert(circuit.checkWitness(w)); +} + +async function testExclusion(tree, key, circuit) { + const res = await tree.find(key); + + assert(!res.found); + let siblings = res.siblings; + while (siblings.length<10) siblings.push(bigInt(0)); + + const w = circuit.calculateWitness({ + enabled: 1, + fnc: 1, + root: tree.root, + siblings: siblings, + oldKey: res.isOld0 ? 0 : res.notFoundKey, + oldValue: res.isOld0 ? 0 : res.notFoundValue, + isOld0: res.isOld0 ? 1 : 0, + key: key, + value: 0 + }); + + assert(circuit.checkWitness(w)); +} + +describe("SMT test", function () { + let circuit; + let tree; + + this.timeout(100000); + + before( async () => { + const cirDef = await compiler(path.join(__dirname, "circuits", "smtverifier10_test.circom")); + + circuit = new snarkjs.Circuit(cirDef); + + console.log("NConstrains SMTVerifier: " + circuit.nConstraints); + + tree = await smt.newMemEmptyTrie(); + await tree.insert(7,77); + await tree.insert(8,88); + await tree.insert(32,3232); + }); + + it("Check inclussion in a tree of 3", async () => { + await testInclusion(tree, 7, circuit); + await testInclusion(tree, 8, circuit); + await testInclusion(tree, 32, circuit); + }); + + it("Check exclussion in a tree of 3", async () => { + await testExclusion(tree, 0, circuit); + await testExclusion(tree, 6, circuit); + await testExclusion(tree, 9, circuit); + await testExclusion(tree, 33, circuit); + await testExclusion(tree, 31, circuit); + await testExclusion(tree, 16, circuit); + await testExclusion(tree, 64, circuit); + }); + + it("Check not enabled accepts any thing", async () => { + let siblings = []; + for (let i=0; i<10; i++) siblings.push(i); + + const w = circuit.calculateWitness({ + enabled: 0, + fnc: 0, + root: 1, + siblings: siblings, + oldKey: 22, + oldValue: 33, + isOld0: 0, + key: 44, + value: 0 + }); + assert(circuit.checkWitness(w)); + }); + + it("Check inclussion Adria case", async () => { + const e1_hi= bigInt("17124152697573569611556136390143205198134245887034837071647643529178599000839"); + const e1_hv= bigInt("19650379996168153643111744440707177573540245771926102415571667548153444658179"); + + const e2ok_hi= bigInt("16498254692537945203721083102154618658340563351558973077349594629411025251262"); + const e2ok_hv= bigInt("19650379996168153643111744440707177573540245771926102415571667548153444658179"); + + const e2fail_hi= bigInt("17195092312975762537892237130737365903429674363577646686847513978084990105579"); + const e2fail_hv= bigInt("19650379996168153643111744440707177573540245771926102415571667548153444658179"); + + const tree1 = await smt.newMemEmptyTrie(); + await tree1.insert(e1_hi,e1_hv); + await tree1.insert(e2ok_hi,e2ok_hv); + + await testInclusion(tree1, e2ok_hi, circuit); + + const tree2 = await smt.newMemEmptyTrie(); + await tree2.insert(e1_hi,e1_hv); + await tree2.insert(e2fail_hi,e2fail_hv); + + await testInclusion(tree2, e2fail_hi, circuit); + }); + + +}); diff --git a/@tornado/circomlib/test/smtverifier_adria.js b/@tornado/circomlib/test/smtverifier_adria.js new file mode 100644 index 0000000..524e497 --- /dev/null +++ b/@tornado/circomlib/test/smtverifier_adria.js @@ -0,0 +1,98 @@ +const path = require("path"); +const snarkjs = require("@tornado/snarkjs"); +const compiler = require("circom"); +const fs = require("fs") + +const bigInt = snarkjs.bigInt; +const smt = require("../src/smt.js"); + +const circuitSource = ` +include "../circuits/smt/smtverifier.circom"; +template SMT(nLevels) { + signal input root; + signal input mtp[nLevels]; + signal input hi; + signal input hv; + + component smtClaimExists = SMTVerifier(nLevels); + smtClaimExists.enabled <== 1; + smtClaimExists.fnc <== 0; + smtClaimExists.root <== root; + for (var i=0; i { + circuitFileName = path.join(__dirname, ".", "rawsmt3.circom"); + fs.writeFileSync(circuitFileName,circuitSource); + }); + + const levels = 4; + async function testsmt3(e1, e2) { + let tree = await smt.newMemEmptyTrie(); + + // insert e1, e2 + await tree.insert(e1.hi, e1.hv); + await tree.insert(e2.hi, e2.hv); + + // generate proof for e1 + const findInfo = await tree.find(e1.hi); + const siblings = findInfo.siblings; + while (siblings.length < levels) siblings.push(bigInt(0)); + + const input = { + root: tree.root, + mtp: siblings, + hi: e1.hi, + hv: e1.hv, + }; + + const compiledCircuit = await compiler( + circuitFileName, + { reduceConstraints: false } + ); + + const circuit = new snarkjs.Circuit(compiledCircuit); + const witness = circuit.calculateWitness(input); + circuit.checkWitness(witness); + } + + it("TestSmts", async () => { + + const e1 = { + hi: bigInt("17124152697573569611556136390143205198134245887034837071647643529178599000839"), + hv: bigInt("19650379996168153643111744440707177573540245771926102415571667548153444658179"), + }; + + const e2ok = { + hi: bigInt("16498254692537945203721083102154618658340563351558973077349594629411025251262"), + hv: bigInt("19650379996168153643111744440707177573540245771926102415571667548153444658179"), + }; + + const e2fail = { + hi: bigInt("17195092312975762537892237130737365903429674363577646686847513978084990105579"), + hv: bigInt("19650379996168153643111744440707177573540245771926102415571667548153444658179"), + }; + + console.log("test e1, e2ok"); + await testsmt3(e1, e2ok); + + console.log("test e1, e2fail"); + await testsmt3(e1, e2fail); + }); +}); + diff --git a/@tornado/circomlib/tsconfig.json b/@tornado/circomlib/tsconfig.json new file mode 100644 index 0000000..8e71090 --- /dev/null +++ b/@tornado/circomlib/tsconfig.json @@ -0,0 +1,22 @@ +{ + // Change this to match your project + "include": ["src/**/*", "calcpedersenbases/*", "index.js"], + "exclude": ["node_modules"], + "compilerOptions": { + // Tells TypeScript to read JS files, as + // normally they are ignored as source files + "allowJs": true, + // Generate d.ts files + "declaration": true, + // This compiler run should + // only output d.ts files + "emitDeclarationOnly": true, + // Types should go into this directory. + // Removing this would place the .d.ts files + // next to the .js files + "outFile": "index.d.ts", + // go to js file when using IDE functions like + // "Go to Definition" in VSCode + "declarationMap": true + } +} diff --git a/@tornado/fixed-merkle-tree/.gitignore b/@tornado/fixed-merkle-tree/.gitignore new file mode 100644 index 0000000..5587e20 --- /dev/null +++ b/@tornado/fixed-merkle-tree/.gitignore @@ -0,0 +1,74 @@ +# Logs +logs +*.log +npm-debug.log* +yarn-debug.log* +yarn-error.log* + +# Runtime data +pids +*.pid +*.seed +*.pid.lock + +# Directory for instrumented libs generated by jscoverage/JSCover +lib-cov + +# Coverage directory used by tools like istanbul +coverage + +# nyc test coverage +.nyc_output + +# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files) +.grunt + +# Bower dependency directory (https://bower.io/) +bower_components + +# node-waf configuration +.lock-wscript + +# Compiled binary addons (https://nodejs.org/api/addons.html) +build/Release + +# Dependency directories +node_modules/ +jspm_packages/ + +# Typescript v1 declaration files +typings/ + +# Optional npm cache directory +.npm + +# Optional eslint cache +.eslintcache + +# Optional REPL history +.node_repl_history + +# Output of 'npm pack' +*.tgz + +# Yarn Integrity file +.yarn-integrity + +# dotenv environment variables file +.env + +# next.js build output +.next + +tmp + +.DS_Store + +# yarn v3 +.pnp.* +.yarn/* +!.yarn/patches +!.yarn/plugins +!.yarn/releases +!.yarn/sdks +!.yarn/versions \ No newline at end of file diff --git a/@tornado/fixed-merkle-tree/README.md b/@tornado/fixed-merkle-tree/README.md new file mode 100644 index 0000000..2415e53 --- /dev/null +++ b/@tornado/fixed-merkle-tree/README.md @@ -0,0 +1,35 @@ +# @T-Hax/fixed-merkle-tree + +This repository serves to configure the equivalent Tornado Cash repository for npm publishing. Below the rest of the description. + +# Merkle Tree [![GitHub Workflow Status](https://img.shields.io/github/workflow/status/tornadocash/fixed-merkle-tree/build)](https://github.com/tornadocash/fixed-merkle-tree/actions) [![npm](https://img.shields.io/npm/v/fixed-merkle-tree)](https://www.npmjs.com/package/fixed-merkle-tree) + +This is a fixed depth merkle tree implementation with sequential inserts + +## Usage + +```javascript +const MerkleTree = require('MerkleTree') +const tree = new MerkleTree(10, [1, 2, 3, 4, 5]) +tree.insert(6) +tree.update(3, 42) +const path = tree.path(tree.indexOf(2)) +console.log(path) + +// output: +{ + pathIndex: [0, 1, 0, 0, 0, 0, 0, 0, 0, 0], + pathElements: [ + '42', + '19814528709687996974327303300007262407299502847885145507292406548098437687919', + '11545490348087423460235196042660837039811055736960842865648632633825765931887', + '14506027710748750947258687001455876266559341618222612722926156490737302846427', + '4766583705360062980279572762279781527342845808161105063909171241304075622345', + '16640205414190175414380077665118269450294358858897019640557533278896634808665', + '13024477302430254842915163302704885770955784224100349847438808884122720088412', + '11345696205391376769769683860277269518617256738724086786512014734609753488820', + '17235543131546745471991808272245772046758360534180976603221801364506032471936', + '155962837046691114236524362966874066300454611955781275944230309195800494087' + ] +} +``` diff --git a/@tornado/fixed-merkle-tree/index.d.ts b/@tornado/fixed-merkle-tree/index.d.ts new file mode 100644 index 0000000..8f77725 --- /dev/null +++ b/@tornado/fixed-merkle-tree/index.d.ts @@ -0,0 +1,112 @@ +declare module "src/mimc" { + function _exports(left: any, right: any): any; + export = _exports; +} +declare module "fixed-merkle-tree/src/merkleTree" { + export = MerkleTree; + /** + * @callback hashFunction + * @param left Left leaf + * @param right Right leaf + */ + /** + * Merkle tree + */ + export class MerkleTree { + /** + * Deserialize data into a MerkleTree instance + * Make sure to provide the same hashFunction as was used in the source tree, + * otherwise the tree state will be invalid + * + * @param data + * @param hashFunction + * @returns {MerkleTree} + */ + static deserialize(data: any, hashFunction: any): MerkleTree; + /** + * Constructor + * @param {number} levels Number of levels in the tree + * @param {Array} [elements] Initial elements + * @param {Object} options + * @param {hashFunction} [options.hashFunction] Function used to hash 2 leaves + * @param [options.zeroElement] Value for non-existent leaves + */ + constructor(levels: number, elements?: any[], { hashFunction, zeroElement }?: { + hashFunction?: hashFunction; + zeroElement?: any; + }); + levels: number; + capacity: number; + _hash: (left: any, right: any) => any; + zeroElement: any; + _zeros: any[]; + _layers: any[][]; + _rebuild(): void; + /** + * Get tree root + * @returns {*} + */ + root(): any; + /** + * Insert new element into the tree + * @param element Element to insert + */ + insert(element: any): void; + /** + * Insert multiple elements into the tree. + * @param {Array} elements Elements to insert + */ + bulkInsert(elements: any[]): void; + /** + * Change an element in the tree + * @param {number} index Index of element to change + * @param element Updated element value + */ + update(index: number, element: any): void; + /** + * Get merkle path to a leaf + * @param {number} index Leaf index to generate path for + * @returns {{pathElements: Object[], pathIndex: number[]}} An object containing adjacent elements and left-right index + */ + path(index: number): { + pathElements: any[]; + pathIndex: number[]; + }; + /** + * Find an element in the tree + * @param element An element to find + * @param comparator A function that checks leaf value equality + * @returns {number} Index if element is found, otherwise -1 + */ + indexOf(element: any, comparator: any): number; + /** + * Returns a copy of non-zero tree elements + * @returns {Object[]} + */ + elements(): any[]; + /** + * Returns a copy of n-th zero elements array + * @returns {Object[]} + */ + zeros(): any[]; + /** + * Serialize entire tree state including intermediate layers into a plain object + * Deserializing it back will not require to recompute any hashes + * Elements are not converted to a plain type, this is responsibility of the caller + */ + serialize(): { + levels: number; + _zeros: any[]; + _layers: any[][]; + }; + } + namespace MerkleTree { + export { hashFunction }; + } + type hashFunction = (left: any, right: any) => any; +} +declare module "fixed-merkle-tree" { + const _exports: typeof import("fixed-merkle-tree/src/merkleTree"); + export = _exports; +} +//# sourceMappingURL=index.d.ts.map \ No newline at end of file diff --git a/@tornado/fixed-merkle-tree/index.d.ts.map b/@tornado/fixed-merkle-tree/index.d.ts.map new file mode 100644 index 0000000..8fc1825 --- /dev/null +++ b/@tornado/fixed-merkle-tree/index.d.ts.map @@ -0,0 +1 @@ +{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["src/mimc.js","src/merkleTree.js","index.js"],"names":[],"mappings":";IAEiB,8CAA+E;;;;;ICKhG;;;;OAIG;IACH;;OAEG;IACH;QAkLE;;;;;;;;WAQG;QACH,kDAFa,UAAU,CAQtB;QAhMD;;;;;;;WAOG;QACH,oBANW,MAAM;YAGiB,YAAY,GAAnC,YAAY;YACJ,WAAW;WAkB7B;QAfC,eAAoB;QACpB,iBAA2B;QAI3B,sCAAwC;QACxC,iBAA8B;QAC9B,cAAgB;QAKhB,iBAAiB;QAKnB,iBAYC;QAED;;;WAGG;QACH,YAEC;QAED;;;WAGG;QACH,2BAKC;QAED;;;WAGG;QACH,kCAyBC;QAED;;;;WAIG;QACH,cAHW,MAAM,sBAiBhB;QAED;;;;WAIG;QACH,YAHW,MAAM;0BACW,KAAQ;uBAAa,MAAM,EAAE;UAkBxD;QAED;;;;;WAKG;QACH,wCAFa,MAAM,CAQlB;QAED;;;WAGG;QACH,YAFa,KAAQ,CAIpB;QAED;;;WAGG;QACH,SAFa,KAAQ,CAIpB;QAED;;;;WAIG;QACH;;;;UAMC;KAkBF"} \ No newline at end of file diff --git a/@tornado/fixed-merkle-tree/index.js b/@tornado/fixed-merkle-tree/index.js new file mode 100644 index 0000000..423f157 --- /dev/null +++ b/@tornado/fixed-merkle-tree/index.js @@ -0,0 +1 @@ +module.exports = 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implementation with sequential inserts", + "repository": { + "type": "git", + "url": "https://github.com/tornadocash/fixed-merkle-tree.git" + }, + "main": "index.js", + "scripts": { + "test": "mocha", + "lint": "eslint ." + }, + "keywords": [ + "merkle", + "tree", + "merkleTree" + ], + "author": "Roman Semenov ", + "license": "ISC", + "dependencies": { + "@tornado/circomlib": "workspace:*", + "@tornado/snarkjs": "workspace:*" + }, + "devDependencies": { + "babel-eslint": "^10.1.0", + "chai": "^4.2.0", + "eslint": "^7.5.0", + "mocha": "^8.1.0", + "typescript": "^5.0.2" + } +} diff --git a/@tornado/fixed-merkle-tree/src/merkleTree.js b/@tornado/fixed-merkle-tree/src/merkleTree.js new file mode 100644 index 0000000..ee93697 --- /dev/null +++ b/@tornado/fixed-merkle-tree/src/merkleTree.js @@ -0,0 +1,212 @@ +// keccak256("tornado") % BN254_FIELD_SIZE +const DEFAULT_ZERO = '21663839004416932945382355908790599225266501822907911457504978515578255421292' +const defaultHash = require('./mimc') + +// todo ensure consistent types in tree and inserted elements? +// todo make sha3 default hasher (and update tests) to get rid of mimc/snarkjs/circomlib dependency + +/** + * @callback hashFunction + * @param left Left leaf + * @param right Right leaf + */ +/** + * Merkle tree + */ +class MerkleTree { + /** + * Constructor + * @param {number} levels Number of levels in the tree + * @param {Array} [elements] Initial elements + * @param {Object} options + * @param {hashFunction} [options.hashFunction] Function used to hash 2 leaves + * @param [options.zeroElement] Value for non-existent leaves + */ + constructor(levels, elements = [], { hashFunction, zeroElement = DEFAULT_ZERO } = {}) { + this.levels = levels + this.capacity = 2 ** levels + if (elements.length > this.capacity) { + throw new Error('Tree is full') + } + this._hash = hashFunction || defaultHash + this.zeroElement = zeroElement + this._zeros = [] + this._zeros[0] = zeroElement + for (let i = 1; i <= levels; i++) { + this._zeros[i] = this._hash(this._zeros[i - 1], this._zeros[i - 1]) + } + this._layers = [] + this._layers[0] = elements.slice() + this._rebuild() + } + + _rebuild() { + for (let level = 1; level <= this.levels; level++) { + this._layers[level] = [] + for (let i = 0; i < Math.ceil(this._layers[level - 1].length / 2); i++) { + this._layers[level][i] = this._hash( + this._layers[level - 1][i * 2], + i * 2 + 1 < this._layers[level - 1].length + ? this._layers[level - 1][i * 2 + 1] + : this._zeros[level - 1], + ) + } + } + } + + /** + * Get tree root + * @returns {*} + */ + root() { + return this._layers[this.levels].length > 0 ? this._layers[this.levels][0] : this._zeros[this.levels] + } + + /** + * Insert new element into the tree + * @param element Element to insert + */ + insert(element) { + if (this._layers[0].length >= this.capacity) { + throw new Error('Tree is full') + } + this.update(this._layers[0].length, element) + } + + /** + * Insert multiple elements into the tree. + * @param {Array} elements Elements to insert + */ + bulkInsert(elements) { + if (!elements.length) { + return + } + + if (this._layers[0].length + elements.length > this.capacity) { + throw new Error('Tree is full') + } + // First we insert all elements except the last one + // updating only full subtree hashes (all layers where inserted element has odd index) + // the last element will update the full path to the root making the tree consistent again + for (let i = 0; i < elements.length - 1; i++) { + this._layers[0].push(elements[i]) + let level = 0 + let index = this._layers[0].length - 1 + while (index % 2 === 1) { + level++ + index >>= 1 + this._layers[level][index] = this._hash( + this._layers[level - 1][index * 2], + this._layers[level - 1][index * 2 + 1], + ) + } + } + this.insert(elements[elements.length - 1]) + } + + /** + * Change an element in the tree + * @param {number} index Index of element to change + * @param element Updated element value + */ + update(index, element) { + if (isNaN(Number(index)) || index < 0 || index > this._layers[0].length || index >= this.capacity) { + throw new Error('Insert index out of bounds: ' + index) + } + this._layers[0][index] = element + for (let level = 1; level <= this.levels; level++) { + index >>= 1 + this._layers[level][index] = this._hash( + this._layers[level - 1][index * 2], + index * 2 + 1 < this._layers[level - 1].length + ? this._layers[level - 1][index * 2 + 1] + : this._zeros[level - 1], + ) + } + } + + /** + * Get merkle path to a leaf + * @param {number} index Leaf index to generate path for + * @returns {{pathElements: Object[], pathIndex: number[]}} An object containing adjacent elements and left-right index + */ + path(index) { + if (isNaN(Number(index)) || index < 0 || index >= this._layers[0].length) { + throw new Error('Index out of bounds: ' + index) + } + const pathElements = [] + const pathIndices = [] + for (let level = 0; level < this.levels; level++) { + pathIndices[level] = index % 2 + pathElements[level] = + (index ^ 1) < this._layers[level].length ? this._layers[level][index ^ 1] : this._zeros[level] + index >>= 1 + } + return { + pathElements, + pathIndices, + } + } + + /** + * Find an element in the tree + * @param element An element to find + * @param comparator A function that checks leaf value equality + * @returns {number} Index if element is found, otherwise -1 + */ + indexOf(element, comparator) { + if (comparator) { + return this._layers[0].findIndex((el) => comparator(element, el)) + } else { + return this._layers[0].indexOf(element) + } + } + + /** + * Returns a copy of non-zero tree elements + * @returns {Object[]} + */ + elements() { + return this._layers[0].slice() + } + + /** + * Returns a copy of n-th zero elements array + * @returns {Object[]} + */ + zeros() { + return this._zeros.slice() + } + + /** + * Serialize entire tree state including intermediate layers into a plain object + * Deserializing it back will not require to recompute any hashes + * Elements are not converted to a plain type, this is responsibility of the caller + */ + serialize() { + return { + levels: this.levels, + _zeros: this._zeros, + _layers: this._layers, + } + } + + /** + * Deserialize data into a MerkleTree instance + * Make sure to provide the same hashFunction as was used in the source tree, + * otherwise the tree state will be invalid + * + * @param data + * @param hashFunction + * @returns {MerkleTree} + */ + static deserialize(data, hashFunction) { + const instance = Object.assign(Object.create(this.prototype), data) + instance._hash = hashFunction || defaultHash + instance.capacity = 2 ** instance.levels + instance.zeroElement = instance._zeros[0] + return instance + } +} + +module.exports = MerkleTree diff --git a/@tornado/fixed-merkle-tree/src/mimc.js b/@tornado/fixed-merkle-tree/src/mimc.js new file mode 100644 index 0000000..46f237d --- /dev/null +++ b/@tornado/fixed-merkle-tree/src/mimc.js @@ -0,0 +1,3 @@ +const { mimcsponge } = require('circomlib') +const { bigInt } = require('@tornado/snarkjs') +module.exports = (left, right) => mimcsponge.multiHash([bigInt(left), bigInt(right)]).toString() diff --git a/@tornado/fixed-merkle-tree/tsconfig.json b/@tornado/fixed-merkle-tree/tsconfig.json new file mode 100644 index 0000000..eabbd01 --- /dev/null +++ b/@tornado/fixed-merkle-tree/tsconfig.json @@ -0,0 +1,22 @@ +{ + // Change this to match your project + "include": ["src/**/*", "index.js"], + "exclude": ["node_modules"], + "compilerOptions": { + // Tells TypeScript to read JS files, as + // normally they are ignored as source files + "allowJs": true, + // Generate d.ts files + "declaration": true, + // This compiler run should + // only output d.ts files + "emitDeclarationOnly": true, + // Types should go into this directory. + // Removing this would place the .d.ts files + // next to the .js files + "outFile": "index.d.ts", + // go to js file when using IDE functions like + // "Go to Definition" in VSCode + "declarationMap": true + } +} \ No newline at end of file diff --git a/@tornado/snarkjs/.eslintrc.js b/@tornado/snarkjs/.eslintrc.js new file mode 100644 index 0000000..2f45ad9 --- /dev/null +++ b/@tornado/snarkjs/.eslintrc.js @@ -0,0 +1,33 @@ +module.exports = { + "plugins": [ + "mocha" + ], + "env": { + "es6": true, + "node": true, + "mocha": true + }, + "parserOptions": { + "ecmaVersion": 2017 + }, + "extends": "eslint:recommended", + "rules": { + "indent": [ + "error", + 4 + ], + "linebreak-style": [ + "error", + "unix" + ], + "quotes": [ + "error", + "double" + ], + "semi": [ + "error", + "always" + ], + "mocha/no-exclusive-tests": "error" + } +}; diff --git a/@tornado/snarkjs/.gitignore b/@tornado/snarkjs/.gitignore new file mode 100644 index 0000000..2be8e00 --- /dev/null +++ b/@tornado/snarkjs/.gitignore @@ -0,0 +1,77 @@ +vk_proof.json +vk_verifier.json + +# Logs +logs +*.log +npm-debug.log* +yarn-debug.log* +yarn-error.log* + +# Runtime data +pids +*.pid +*.seed +*.pid.lock + +# Directory for instrumented libs generated by jscoverage/JSCover +lib-cov + +# Coverage directory used by tools like istanbul +coverage + +# nyc test coverage +.nyc_output + +# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files) +.grunt + +# Bower dependency directory (https://bower.io/) +bower_components + +# node-waf configuration +.lock-wscript + +# Compiled binary addons (https://nodejs.org/api/addons.html) +build/Release + +# Dependency directories +node_modules/ +jspm_packages/ + +# Typescript v1 declaration files +typings/ + +# Optional npm cache directory +.npm + +# Optional eslint cache +.eslintcache + +# Optional REPL history +.node_repl_history + +# Output of 'npm pack' +*.tgz + +# Yarn Integrity file +.yarn-integrity + +# dotenv environment variables file +.env + +# next.js build output +.next + +tmp + +.DS_Store + +# yarn v3 +.pnp.* +.yarn/* +!.yarn/patches +!.yarn/plugins +!.yarn/releases +!.yarn/sdks +!.yarn/versions \ No newline at end of file diff --git a/@tornado/snarkjs/COPYING b/@tornado/snarkjs/COPYING new file mode 100644 index 0000000..9cecc1d --- /dev/null +++ b/@tornado/snarkjs/COPYING @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/@tornado/snarkjs/README.md b/@tornado/snarkjs/README.md new file mode 100644 index 0000000..581a45a --- /dev/null +++ b/@tornado/snarkjs/README.md @@ -0,0 +1,138 @@ +# @T-Hax/snarkjs + +This repository serves to configure the equivalent Tornado Cash repository for npm publishing. Below the rest of the description. + +# snarkjs: JavaScript implementation of zkSNARKs. + +This is a JavaScript implementation of zkSNARK schemes. It allows the original 8points protocol +and the Groth Protocol (3 point only and 3 pairings) + +This library allows to do the trusted setup, generate proofs and verify the proofs. + +This library uses the compiled circuits generated by the jaz compiler. + +### Tutorial. + +A good starting point [is this tutorial](https://github.com/iden3/circom/blob/master/TUTORIAL.md) + +Also this [video](https://www.youtube.com/watch?v=-9TJa1hVsKA) is a good starting point. + +## Install. + +```sh +npm install snarkjs +``` + +## Usage from command line. + + +```sh +snarkjs --help +``` + +Will show all the info in how to use the cli. + +## Usage from javascript + + +### Import. + +```js +const zkSnark = require("snarkjs"); +``` + +### Load a circuit. + +```js +// "myCircuit.cir" is the output of the jaz compiler + +const circuitDef = JSON.parse(fs.readFileSync("myCircuit.cir", "utf8")); +const circuit = new zkSnark.Circuit(circuitDef); +``` + +### Inspect the circuit. + +```js + // `signalId` can always be a number or an alias string + + circuit.nConstraints; // number of constraints + circuit.nSignals; // number of signals + circuit.nPublic; // number of public signals (nOutputs + nPublicInputs) + + // The array of signals is always sorted in this order: + // [ 1, outputs, publicInputs, privateInputs, internalSignals, constants] + + // returns a,b and c coeficients of the `signalId` on a given `constraint` + circuit.a(constraint, signalId) + circuit.b(constraint, signalId) + circuit.c(constraint, signalId) + + circuit.nOutputs // number of public outputs + circuit.pubInputs // number of public inputs + circuit.nPrvInputs // number of private inputs + circuit.nInputs // number of inputs ( nPublicInputs + nPrivateInputs) + circuit.nVars // number of variables ( not including constants (one is a variable) ) + circuit.nSignals // number of signals ( including constants ) + + circuit.outputIdx(i) // returns the index of the i'th output + circuit.inputIdx(i) // returns the index of the i'th input + circuit.pubInputIdx(i) // returns the index of the i'th public input + circuit.prvInputIdx(i) // returns the index of the i'th private input + circuit.varIdx(i) // returns the index of the i'th variable + circuit.constantIdx(i) // returns the index of the i'th constant + circuit.signalIdx(i) // returns the index of the i'th signal + + // returns signal Idx given a signalId + // if the idx >= n , it is a constant + // if the idx == -1, the signal does not exist + circuit.getSignalIdx(name); + + // returns an array aliases names of the i'th signal + circuit.signalNames(i) + + // input is a key value object where keys are the signal names + // of all the inputs (public and private) + // returns an array of values representing the witness + circuit.calculateWitness(input) +``` + +### Trusted setup. + +```js +const setup = zkSnark.setup(circuit); +fs.writeFileSync("myCircuit.vk_proof", JSON.stringify(setup.vk_proof), "utf8"); +fs.writeFileSync("myCircuit.vk_verifier", JSON.stringify(setup.vk_verifier), "utf8"); +setup.toxic // Must be discarded. +``` + +### Generate proof. + +```js +const circuitDef = JSON.parse(fs.readFileSync("myCircuit.cir", "utf8")); +const circuit = new zkSnark.Circuit(circuitDef); +const input = { + "main.pubIn1": "123", + "main.out1": "456" +} +const witness = circuit.calculateWitness(input); +const vk_proof = JSON.parse(fs.readFileSync("myCircuit.vk_proof", "utf8")); + +const {proof, publicSignals} = zkSnark.genProof(vk_proof, witness); +``` + +### Verifier. + +```js +const vk_verifier = JSON.parse(fs.readFileSync("myCircuit.vk_verifier", "utf8")); + +if (zkSnark.isValid(vk_verifier, proof, publicSignals)) { + console.log("The proof is valid"); +} else { + console.log("The proof is not valid"); +} +``` + +## License + +snarkjs is part of the iden3 project copyright 2018 0KIMS association and published with GPL-3 license. Please check the COPYING file for more details. + diff --git a/@tornado/snarkjs/cli.js b/@tornado/snarkjs/cli.js new file mode 100755 index 0000000..17f24cc --- /dev/null +++ b/@tornado/snarkjs/cli.js @@ -0,0 +1,544 @@ +#!/usr/bin/env node + +/* + Copyright 2018 0KIMS association. + + This file is part of jaz (Zero Knowledge Circuit Compiler). + + jaz is a free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + jaz is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with jaz. If not, see . +*/ + +/* eslint-disable no-console */ + +const fs = require("fs"); +const path = require("path"); + +const zkSnark = require("./index.js"); +const {stringifyBigInts, unstringifyBigInts} = require("./src/stringifybigint.js"); + + +const version = require("./package").version; + +const argv = require("yargs") + .version(version) + .usage(`snarkjs + +setup command +============= + + snarkjs setup