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Readme, License Fixes and another test added

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Jordi Baylina
2018-09-05 19:46:24 +02:00
parent 276a28c73e
commit 296defda85
22 changed files with 18 additions and 79 deletions
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145
circuits/sha256/sha256compression.circom Normal file
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include "constants.jaz";
include "t1.jaz";
include "t2.jaz";
include "sum.jaz";
include "sigmaplus.jaz";
template sha256compression() {
signal input inp[512];
signal output out[256];
signal a[64][32];
signal b[64][32];
signal c[64][32];
signal d[64][32];
signal e[64][32];
signal f[64][32];
signal g[64][32];
signal h[64][32];
signal w[64][512];
var i;
component sigmaPlus[48] = SigmaPlus();
component k[64];
for (i=0; i<64; i++) k[i] = K(i);
component ha0 = H0(0);
component hb0 = H0(1);
component hc0 = H0(2);
component hd0 = H0(3);
component he0 = H0(4);
component hf0 = H0(5);
component hg0 = H0(6);
component hh0 = H0(7);
component t1[64] = T1();
component t2[64] = T2();
component suma[64] = Sum2(32);
component sume[64] = Sum2(32);
component fsum[8] = Sum2(32);
var k;
var t;
for (t=0; t<64; t++) {
if (t<16) {
for (k=0; k<256; k++) {
w[t][k] <== inp[k];
}
} else {
for (k=0; k<256; k++) {
sigmaPlus[t-16].in2[k] <== w[t-2][k];
sigmaPlus[t-16].in7[k] <== w[t-2][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] <== ha0.out[k]
b[0][k] <== hb0.out[k]
c[0][k] <== hc0.out[k]
d[0][k] <== hd0.out[k]
e[0][k] <== he0.out[k]
f[0][k] <== hf0.out[k]
g[0][k] <== hg0.out[k]
h[0][k] <== hh0.out[k]
}
for (t = 0; t<63; t++) {
for (k=0; k<32; k++) {
t1[t].h[k] <== h[k];
t1[t].e[k] <== e[k];
t1[t].f[k] <== f[k];
t1[t].g[k] <== g[k];
if (t<20) {
t1[t].g[k] <== K0.out[k];
} else if (t<40) {
t1[t].g[k] <== K20.out[k];
} else if (t<60) {
t1[t].g[k] <== K40.out[k];
} else {
t1[t].g[k] <== K60.out[k];
}
t1[t].w[k] <== w[t][k];
t2[t].a[k] <== a[k];
t2[t].b[k] <== a[k];
t2[t].c[k] <== a[k];
}
for (k=0; k<32; k++) {
sume[t].a[k] <== d[k];
sume[t].b[k] <== t1[t].out[k];
suma[t].a[k] <== t1[t].out[k];
suma[t].b[k] <== t2[t].out[k];
}
for (k=0; k<32; k++) {
h[t+1] <== g[t];
g[t+1] <== f[t];
f[t+1] <== e[t];
e[t+1] <== sume[t].out[k];
d[t+1] <== c[t];
c[t+1] <== b[t];
b[t+1] <== a[t];
a[t+1] <== suma[t].out[k];
}
}
for (k=0; k<32; k++) {
fsum[0].a[k] <== ha0.out[k];
fsum[0].b[k] <== a[64][k];
fsum[1].a[k] <== hb0.out[k];
fsum[1].b[k] <== b[64][k];
fsum[2].a[k] <== hc0.out[k];
fsum[2].b[k] <== c[64][k];
fsum[3].a[k] <== hd0.out[k];
fsum[3].b[k] <== d[64][k];
fsum[4].a[k] <== he0.out[k];
fsum[4].b[k] <== e[64][k];
fsum[5].a[k] <== hf0.out[k];
fsum[5].b[k] <== f[64][k];
fsum[6].a[k] <== hg0.out[k];
fsum[6].b[k] <== g[64][k];
fsum[7].a[k] <== hh0.out[k];
fsum[7].b[k] <== h[64][k];
}
for (k=0; k<32; k++) {
out[k] <== fsum[0].out[k];
out[32+k] <== fsum[1].out[k];
out[64+k] <== fsum[2].out[k];
out[96+k] <== fsum[2].out[k];
out[128+k] <== fsum[2].out[k];
out[160+k] <== fsum[2].out[k];
out[192+k] <== fsum[2].out[k];
out[224+k] <== fsum[2].out[k];
}
}