Improve performance sha256compressor

This commit is contained in:
Jordi Baylina 2020-11-26 07:29:48 +01:00
parent 411a7d7576
commit 8423282b8c
No known key found for this signature in database
GPG Key ID: 7480C80C1BE43112
4 changed files with 598 additions and 348 deletions

@ -22,6 +22,8 @@ include "t1.circom";
include "t2.circom"; include "t2.circom";
include "../binsum.circom"; include "../binsum.circom";
include "sigmaplus.circom"; include "sigmaplus.circom";
include "sha256compression_function.circom";
template Sha256compression() { template Sha256compression() {
signal input hin[256]; signal input hin[256];
@ -37,7 +39,11 @@ template Sha256compression() {
signal h[65][32]; signal h[65][32];
signal w[64][32]; signal w[64][32];
var outCalc[256] = sha256compression(hin, inp);
var i; var i;
for (i=0; i<256; i++) out[i] <-- outCalc[i];
component sigmaPlus[48]; component sigmaPlus[48];
for (i=0; i<48; i++) sigmaPlus[i] = SigmaPlus(); for (i=0; i<48; i++) sigmaPlus[i] = SigmaPlus();
@ -147,13 +153,13 @@ template Sha256compression() {
} }
for (k=0; k<32; k++) { for (k=0; k<32; k++) {
out[31-k] <== fsum[0].out[k]; out[31-k] === fsum[0].out[k];
out[32+31-k] <== fsum[1].out[k]; out[32+31-k] === fsum[1].out[k];
out[64+31-k] <== fsum[2].out[k]; out[64+31-k] === fsum[2].out[k];
out[96+31-k] <== fsum[3].out[k]; out[96+31-k] === fsum[3].out[k];
out[128+31-k] <== fsum[4].out[k]; out[128+31-k] === fsum[4].out[k];
out[160+31-k] <== fsum[5].out[k]; out[160+31-k] === fsum[5].out[k];
out[192+31-k] <== fsum[6].out[k]; out[192+31-k] === fsum[6].out[k];
out[224+31-k] <== fsum[7].out[k]; out[224+31-k] === fsum[7].out[k];
} }
} }

@ -0,0 +1,112 @@
// signal input hin[256];
// signal input inp[512];
// signal output out[256];
function rrot(x, n) {
return ((x >> n) | (x << (32-n))) & 0xFFFFFFFF;
}
function bsigma0(x) {
return rrot(x,2) ^ rrot(x,13) ^ rrot(x,22);
}
function bsigma1(x) {
return rrot(x,6) ^ rrot(x,11) ^ rrot(x,25);
}
function ssigma0(x) {
return rrot(x,7) ^ rrot(x,18) ^ (x >> 3);
}
function ssigma1(x) {
return rrot(x,17) ^ rrot(x,19) ^ (x >> 10);
}
function Maj(x, y, z) {
return (x&y) ^ (x&z) ^ (y&z);
}
function Ch(x, y, z) {
return (x & y) ^ ((0xFFFFFFFF ^x) & z);
}
function sha256K(i) {
var k[64] = [
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
];
return k[i];
}
function sha256compression(hin, inp) {
var H[8];
var a;
var b;
var c;
var d;
var e;
var f;
var g;
var h;
var out[256];
for (var i=0; i<8; i++) {
H[i] = 0;
for (var j=0; j<32; j++) {
H[i] += hin[i*32+j] << j;
}
}
a=H[0];
b=H[1];
c=H[2];
d=H[3];
e=H[4];
f=H[5];
g=H[6];
h=H[7];
var w[64];
var T1;
var T2;
for (var i=0; i<64; i++) {
if (i<16) {
w[i]=0;
for (var j=0; j<32; j++) {
w[i] += inp[i*32+31-j]<<j;
}
} else {
w[i] = (ssigma1(w[i-2]) + w[i-7] + ssigma0(w[i-15]) + w[i-16]) & 0xFFFFFFFF;
}
T1 = (h + bsigma1(e) + Ch(e,f,g) + sha256K(i) + w[i]) & 0xFFFFFFFF;
T2 = (bsigma0(a) + Maj(a,b,c)) & 0xFFFFFFFF;
h=g;
g=f;
f=e;
e=(d+T1) & 0xFFFFFFFF;
d=c;
c=b;
b=a;
a=(T1+T2) & 0xFFFFFFFF;
}
H[0] = H[0] + a;
H[1] = H[1] + b;
H[2] = H[2] + c;
H[3] = H[3] + d;
H[4] = H[4] + e;
H[5] = H[5] + f;
H[6] = H[6] + g;
H[7] = H[7] + h;
for (var i=0; i<8; i++) {
for (var j=0; j<32; j++) {
out[i*32+31-j] = (H[i] >> j) & 1;
}
}
return out;
}

806
package-lock.json generated

File diff suppressed because it is too large Load Diff

@ -26,13 +26,13 @@
"dependencies": { "dependencies": {
"blake-hash": "^1.1.0", "blake-hash": "^1.1.0",
"blake2b": "^2.1.3", "blake2b": "^2.1.3",
"circom": "0.5.21", "circom": "0.5.33",
"ffjavascript": "0.1.0" "ffjavascript": "0.1.0"
}, },
"devDependencies": { "devDependencies": {
"eslint": "^6.8.0", "eslint": "^6.8.0",
"ganache-cli": "^6.10.1", "ganache-cli": "^6.12.1",
"mocha": "^7.1.1", "mocha": "^7.1.1",
"web3": "^1.2.11" "web3": "^1.3.0"
} }
} }