arnaucube/keccak256-circom
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RhoPi Circom circuit implemented

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arnaucube
2021-11-01 20:33:52 +01:00
parent 8885239904
commit 0a35c4463b
6 changed files with 366 additions and 178 deletions
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6
test/circuits/rhopi_test.circom Normal file
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@@ -0,0 +1,6 @@
pragma circom 2.0.0;
include "../../circuits/rhopi.circom";
component main = RhoPi();

104
test/keccak256.js
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@@ -17,7 +17,7 @@ const wasm_tester = require("circom_tester").wasm;
function bytesToU64(byteArray) {
var value = 0;
for ( var i = byteArray.length - 1; i >= 0; i--) {
value = (value * 256) + byteArray[i];
value = (value * 256) + byteArray[i];
}
return value;
@@ -26,9 +26,9 @@ function u64ToBytes(long) {
var byteArray = [0, 0, 0, 0, 0, 0, 0, 0];
for ( var index = 0; index < byteArray.length; index ++ ) {
var byte = long & 0xff;
byteArray [ index ] = byte;
long = (long - byte) / 256 ;
var byte = long & 0xff;
byteArray [ index ] = byte;
long = (long - byte) / 256 ;
}
return byteArray;
@@ -39,39 +39,41 @@ function u64ToBits(a) {
return bytesToBits(aBytes);
}
function bytesToBits(b) {
const bits = [];
for (let i = 0; i < b.length; i++) {
for (let j = 0; j < 8; j++) {
if ((b[i]&(1<<j)) > 0) {
bits.push(Fr.e(1));
} else {
bits.push(Fr.e(0));
}
}
const bits = [];
for (let i = 0; i < b.length; i++) {
for (let j = 0; j < 8; j++) {
if ((b[i]&(1<<j)) > 0) {
bits.push(Fr.e(1));
} else {
bits.push(Fr.e(0));
}
}
return bits
}
return bits
}
function u64ArrayToBits(u) {
let r = [];
for (let i = 0; i < u.length; i++) {
r = r.concat(u64ToBits(u[i]));
}
return r
let r = [];
for (let i = 0; i < u.length; i++) {
r = r.concat(u64ToBits(u[i]));
}
return r
}
function bitsToU64(b) {
if (b.length != 64) {
console.log("b.length = ", b.length, " max=64");
return;
}
const by = bitsToBytes(b)
return bytesToU64(by)
if (b.length != 64) {
console.log("b.length = ", b.length, " max=64");
return;
}
const by = bitsToBytes(b)
return bytesToU64(by)
}
function bitsToBytes(a) {
const len = Math.floor((a.length -1 )/8)+1;
const b = [];
for (let i=0; i<a.length; i++) {
const p = Math.floor(i/8);
if (b[p]==undefined) {
b[p] = 0;
}
if (a[i]==1) {
b[p] |= 1<<(i%8);
}
@@ -80,17 +82,17 @@ function bitsToBytes(a) {
}
function bitsToU64Array(b) {
const r = [];
for (let i = 0; i < b.length/64; i++) {
r.push(bitsToU64(b.slice(i*64, i*64+64)));
}
return r
const r = [];
for (let i = 0; i < b.length/64; i++) {
r.push(bitsToU64(b.slice(i*64, i*64+64)));
}
return r
}
function intsToBigInts(a) {
let b = [];
for (let i=0; i<a.length; i++) {
b[i] = Fr.e(a[i]);
b[i] = Fr.e(a[i]);
}
return b;
}
@@ -99,12 +101,12 @@ describe("Utils test", function () {
this.timeout(100000);
it ("utils", async () => {
let a = 3;
let aBits = u64ToBits(a);
let a = 3;
let aBits = u64ToBits(a);
let a2 = bitsToU64(aBits);
assert.equal(a2, a);
a = 12345;
aBits = u64ToBits(a);
a = 12345;
aBits = u64ToBits(a);
a2 = bitsToU64(aBits);
assert.equal(a2, a);
@@ -122,14 +124,38 @@ describe("Theta test", function () {
it ("Theta (testvector generated from go)", async () => {
const cir = await wasm_tester(path.join(__dirname, "circuits", "theta_test.circom"));
const input = [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24];
const expectedOut = [26,9,13,29,47,31,14,8,22,34,16,3,3,19,37,21,24,30,12,56,14,29,25,9,51];
const stateIn = u64ArrayToBits(input);
const expectedOutBits = u64ArrayToBits(expectedOut);
const witness = await cir.calculateWitness({ "in": stateIn }, true);
const stateOut = witness.slice(1, 1+(25*64));
const stateOutU64 = bitsToU64Array(stateOut);
// console.log(stateOutU64, expectedOut);
assert.deepEqual(stateOutU64, expectedOut);
});
});
describe("RhoPi test", function () {
this.timeout(100000);
it ("RhoPi (testvector generated from go)", async () => {
const cir = await wasm_tester(path.join(__dirname, "circuits", "rhopi_test.circom"));
const input = [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24];
const expectedOut = [0, 105553116266496, 105553116266496, 37748736, 393216,
805306368, 9437184, 80, 562949953421312, 13835058055282163714,
2, 448, 436207616, 4864, 5242880, 536870912, 343597383680,
11264, 557056, 1657324662872342528, 9223372036854775808,
288230376151711744, 7696581394432, 32985348833280, 84];
const stateIn = u64ArrayToBits(input);
const expectedOutBits = u64ArrayToBits(expectedOut);
const witness = await cir.calculateWitness({ "in": stateIn }, true);
const stateOut = witness.slice(1, 1+(25*64));
const stateOutU64 = bitsToU64Array(stateOut);
// console.log(stateOutU64, expectedOut);