tornado-packages/circomlib
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

sha256 tests updated to c

Browse Source
This commit is contained in:
Jordi Baylina 2019-12-12 13:04:02 +01:00
parent 8bd0fac913
commit d5bca9feb6
No known key found for this signature in database
GPG Key ID: 7480C80C1BE43112
7 changed files with 47 additions and 62374 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
circuits/sha256/sha256compression.circom
View File

@ -74,6 +74,9 @@ template Sha256compression() {
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];
}
for (k=0; k<32; k++) {
w[t][k] <== sigmaPlus[t-16].out[k];
}
}

22
circuits/sha256/sigma.circom
View File

@ -24,22 +24,26 @@ include "shift.circom";
template SmallSigma(ra, rb, rc) {
signal input in[32];
signal output out[32];
component xor3 = Xor3(32);
var k;
component rota = RotR(32, ra);
component rotb = RotR(32, rb);
component shrc = ShR(32, rc);
for (var k=0; k<32; k++) {
for (k=0; k<32; k++) {
rota.in[k] <== in[k];
rotb.in[k] <== in[k];
shrc.in[k] <== in[k];
}
component xor3 = Xor3(32);
for (k=0; k<32; k++) {
xor3.a[k] <== rota.out[k];
xor3.b[k] <== rotb.out[k];
xor3.c[k] <== shrc.out[k];
}
for (k=0; k<32; k++) {
out[k] <== xor3.out[k];
}
}
@ -47,22 +51,26 @@ template SmallSigma(ra, rb, rc) {
template BigSigma(ra, rb, rc) {
signal input in[32];
signal output out[32];
component xor3 = Xor3(32);
var k;
component rota = RotR(32, ra);
component rotb = RotR(32, rb);
component rotc = RotR(32, rc);
for (var k=0; k<32; k++) {
for (k=0; k<32; k++) {
rota.in[k] <== in[k];
rotb.in[k] <== in[k];
rotc.in[k] <== in[k];
}
component xor3 = Xor3(32);
for (k=0; k<32; k++) {
xor3.a[k] <== rota.out[k];
xor3.b[k] <== rotb.out[k];
xor3.c[k] <== rotc.out[k];
}
for (k=0; k<32; k++) {
out[k] <== xor3.out[k];
}
}

10
circuits/sha256/sigmaplus.circom
View File

@ -26,20 +26,24 @@ template SigmaPlus() {
signal input in15[32];
signal input in16[32];
signal output out[32];
var k;
component sum = BinSum(32, 4);
component sigma1 = SmallSigma(17,19,10);
component sigma0 = SmallSigma(7, 18, 3);
for (var k=0; k<32; k++) {
for (k=0; k<32; k++) {
sigma1.in[k] <== in2[k];
sigma0.in[k] <== in15[k];
}
component sum = BinSum(32, 4);
for (k=0; k<32; 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];
}
for (k=0; k<32; k++) {
out[k] <== sum.out[k];
}
}

13
circuits/sha256/t1.circom
View File

@ -30,23 +30,28 @@ template T1() {
signal input w[32];
signal output out[32];
component sum = BinSum(32, 5);
component ch = Ch(32);
var ki;
component ch = Ch(32);
component bigsigma1 = BigSigma(6, 11, 25);
for (var ki=0; ki<32; ki++) {
for (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]
ch.c[ki] <== g[ki];
}
component sum = BinSum(32, 5);
for (ki=0; ki<32; 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];
}
for (ki=0; ki<32; ki++) {
out[ki] <== sum.out[ki];
}
}

13
circuits/sha256/t2.circom
View File

@ -26,22 +26,25 @@ template T2() {
signal input b[32];
signal input c[32];
signal output out[32];
component sum = BinSum(32, 2);
var k;
component bigsigma0 = BigSigma(2, 13, 22);
component maj = Maj(32);
for (var k=0; k<32; k++) {
for (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];
}
component sum = BinSum(32, 2);
for (k=0; k<32; k++) {
sum.in[0][k] <== bigsigma0.out[k];
sum.in[1][k] <== maj.out[k];
}
for (k=0; k<32; k++) {
out[k] <== sum.out[k];
}
}

62307
test/circuits/out.json
View File

File diff suppressed because it is too large Load Diff

53
test/sha256.js
View File

@ -37,7 +37,7 @@ function bitArray2buffer(a) {
describe("SHA256 test", function () {
this.timeout(100000);
/*
it("Should work bits to array and array to bits", async () => {
const b = new Buffer.alloc(64);
for (let i=0; i<64; i++) {
@ -50,13 +50,9 @@ describe("SHA256 test", function () {
});
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);
const cir = await c_tester(path.join(__dirname, "circuits", "sha256_2_test.circom"));
console.log("Vars: "+circuit.nVars);
console.log("Constraints: "+circuit.nConstraints);
const witness = circuit.calculateWitness({ "a": "1", "b": "2" });
const witness = await cir.calculateWitness({ "a": "1", "b": "2" });
const b = new Buffer.alloc(54);
b[26] = 1;
@ -75,15 +71,8 @@ describe("SHA256 test", function () {
}).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);
const cir = await c_tester(path.join(__dirname, "circuits", "sha256_test512.circom"));
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;
@ -94,7 +83,7 @@ describe("SHA256 test", function () {
.digest("hex");
const arrIn = buffer2bitArray(b);
const witness = circuit.calculateWitness({ "in": arrIn } , {logOutput: false} );
const witness = await cir.calculateWitness({ "in": arrIn });
const arrOut = witness.slice(1, 257);
const hash2 = bitArray2buffer(arrOut).toString("hex");
@ -102,37 +91,6 @@ describe("SHA256 test", function () {
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: false});
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 cir = await c_tester(path.join(__dirname, "circuits", "sha256_test448.circom"));
@ -146,7 +104,6 @@ describe("SHA256 test", function () {
const arrIn = buffer2bitArray(b);
console.log(JSON.stringify({ "in": arrIn }));
const witness = await cir.calculateWitness({ "in": arrIn });
const arrOut = witness.slice(1, 257);