arnaucube/keccak256-circom
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KeccakRound circuit implemented

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arnaucube
2021-11-24 11:56:18 +01:00
parent fbca693d1c
commit f88c2834fb
6 changed files with 173 additions and 25 deletions
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36
circuits/keccak256.circom
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@@ -1,12 +1,18 @@
pragma circom 2.0.0;
include "./utils.circom";
include "./theta.circom";
include "./rhopi.circom";
include "./chi.circom";
include "./iota.circom";
template Pad(nBits) {
signal input in[nBits];
var blockSize=136*8;
signal output out[blockSize];
signal out2[blockSize];
var i;
for (i=0; i<nBits; i++) {
@@ -32,15 +38,29 @@ template Pad(nBits) {
}
}
template Keccak256(nBits) {
signal input in[nBits];
signal output out[256];
template KeccakfRound(r) {
signal input in[25*64];
signal output out[25*64];
var i;
// pad
component pad = Pad(nBits);
for (i=0; i<nBits; i++) {
pad.in[i] <== in[i];
component theta = Theta();
component rhopi = RhoPi();
component chi = Chi();
component iota = Iota(r);
for (i=0; i<25*64; i++) {
theta.in[i] <== in[i];
}
for (i=0; i<25*64; i++) {
rhopi.in[i] <== theta.out[i];
}
for (i=0; i<25*64; i++) {
chi.in[i] <== rhopi.out[i];
}
for (i=0; i<25*64; i++) {
iota.in[i] <== chi.out[i];
}
for (i=0; i<25*64; i++) {
out[i] <== iota.out[i];
}
}