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pragma circom 2.0.0;
include "../node_modules/circomlib/circuits/gates.circom";
include "../node_modules/circomlib/circuits/sha256/xor3.circom";
include "../node_modules/circomlib/circuits/sha256/shift.circom"; // contains ShiftRight
template Xor5(n) {
signal input a[n];
signal input b[n];
signal input c[n];
signal input d[n];
signal input e[n];
signal output out[n];
var i;
component xor3 = Xor3(n);
for (i=0; i<n; i++) {
xor3.a[i] <== a[i];
xor3.b[i] <== b[i];
xor3.c[i] <== c[i];
}
component xor4 = XorArray(n);
for (i=0; i<n; i++) {
xor4.a[i] <== xor3.out[i];
xor4.b[i] <== d[i];
}
component xor5 = XorArray(n);
for (i=0; i<n; i++) {
xor5.a[i] <== xor4.out[i];
xor5.b[i] <== e[i];
}
for (i=0; i<n; i++) {
out[i] <== xor5.out[i];
}
}
template XorArray(n) {
signal input a[n];
signal input b[n];
signal output out[n];
var i;
component aux[n];
for (i=0; i<n; i++) {
aux[i] = XOR();
aux[i].a <== a[i];
aux[i].b <== b[i];
}
for (i=0; i<n; i++) {
out[i] <== aux[i].out;
}
}
template ShL(n, r) {
signal input in[n];
signal output out[n];
for (var i=0; i<n; i++) {
if (i < r) {
out[i] <== 0;
} else {
out[i] <== in[ i-r ];
}
}
}
template D(n, shl, shr) {
// d = b ^ (a<<shl | a>>shr)
signal input a[n];
signal input b[n];
signal output out[n];
var i;
component aux0 = ShR(64, shr);
for (i=0; i<64; i++) {
aux0.in[i] <== a[i];
}
component aux1 = ShL(64, shl);
for (i=0; i<64; i++) {
aux1.in[i] <== a[i];
}
component aux2[64];
for (i=0; i<64; i++) {
aux2[i] = OR();
aux2[i].a <== aux0.out[i];
aux2[i].b <== aux1.out[i];
}
component aux3 = XorArray(64);
for (i=0; i<64; i++) {
aux3.a[i] <== b[i];
aux3.b[i] <== aux2[i].out;
}
for (i=0; i<64; i++) {
out[i] <== aux3.out[i];
}
}
template Theta() {
signal input in[25*64];
signal output out[25*64];
var i;
component c0 = Xor5(64);
for (i=0; i<64; i++) {
c0.a[i] <== in[i];
c0.b[i] <== in[5*64+i];
c0.c[i] <== in[10*64+i];
c0.d[i] <== in[15*64+i];
c0.e[i] <== in[20*64+i];
}
component c1 = Xor5(64);
for (i=0; i<64; i++) {
c1.a[i] <== in[1*64+i];
c1.b[i] <== in[6*64+i];
c1.c[i] <== in[11*64+i];
c1.d[i] <== in[16*64+i];
c1.e[i] <== in[21*64+i];
}
component c2 = Xor5(64);
for (i=0; i<64; i++) {
c2.a[i] <== in[2*64+i];
c2.b[i] <== in[7*64+i];
c2.c[i] <== in[12*64+i];
c2.d[i] <== in[17*64+i];
c2.e[i] <== in[22*64+i];
}
component c3 = Xor5(64);
for (i=0; i<64; i++) {
c3.a[i] <== in[3*64+i];
c3.b[i] <== in[8*64+i];
c3.c[i] <== in[13*64+i];
c3.d[i] <== in[18*64+i];
c3.e[i] <== in[23*64+i];
}
component c4 = Xor5(64);
for (i=0; i<64; i++) {
c4.a[i] <== in[4*64+i];
c4.b[i] <== in[9*64+i];
c4.c[i] <== in[14*64+i];
c4.d[i] <== in[19*64+i];
c4.e[i] <== in[24*64+i];
}
// d = c4 ^ (c1<<1 | c1>>(64-1))
component d0 = D(64, 1, 64-1);
for (i=0; i<64; i++) {
d0.a[i] <== c1.out[i];
d0.b[i] <== c4.out[i];
}
// r[0] = a[0] ^ d
component r0 = XorArray(64);
for (i=0; i<64; i++) {
r0.a[i] <== in[i];
r0.b[i] <== d0.out[i];
}
for (i=0; i<64; i++) {
out[i] <== r0.out[i];
}
// r[5] = a[5] ^ d
component r5 = XorArray(64);
for (i=0; i<64; i++) {
r5.a[i] <== in[5*64+i];
r5.b[i] <== d0.out[i];
}
for (i=0; i<64; i++) {
out[5*64+i] <== r5.out[i];
}
// r[10] = a[10] ^ d
component r10 = XorArray(64);
for (i=0; i<64; i++) {
r10.a[i] <== in[10*64+i];
r10.b[i] <== d0.out[i];
}
for (i=0; i<64; i++) {
out[10*64+i] <== r10.out[i];
}
// r[15] = a[15] ^ d
component r15 = XorArray(64);
for (i=0; i<64; i++) {
r15.a[i] <== in[15*64+i];
r15.b[i] <== d0.out[i];
}
for (i=0; i<64; i++) {
out[15*64+i] <== r15.out[i];
}
// r[20] = a[20] ^ d
component r20 = XorArray(64);
for (i=0; i<64; i++) {
r20.a[i] <== in[20*64+i];
r20.b[i] <== d0.out[i];
}
for (i=0; i<64; i++) {
out[20*64+i] <== r20.out[i];
}
// d = c0 ^ (c2<<1 | c2>>(64-1))
component d1 = D(64, 1, 64-1);
for (i=0; i<64; i++) {
d1.a[i] <== c2.out[i];
d1.b[i] <== c0.out[i];
}
// r[1] = a[1] ^ d
component r1 = XorArray(64);
for (i=0; i<64; i++) {
r1.a[i] <== in[1*64+i];
r1.b[i] <== d1.out[i];
}
for (i=0; i<64; i++) {
out[1*64+i] <== r1.out[i];
}
// r[6] = a[6] ^ d
component r6 = XorArray(64);
for (i=0; i<64; i++) {
r6.a[i] <== in[6*64+i];
r6.b[i] <== d1.out[i];
}
for (i=0; i<64; i++) {
out[6*64+i] <== r6.out[i];
}
// r[11] = a[11] ^ d
component r11 = XorArray(64);
for (i=0; i<64; i++) {
r11.a[i] <== in[11*64+i];
r11.b[i] <== d1.out[i];
}
for (i=0; i<64; i++) {
out[11*64+i] <== r11.out[i];
}
// r[16] = a[16] ^ d
component r16 = XorArray(64);
for (i=0; i<64; i++) {
r16.a[i] <== in[16*64+i];
r16.b[i] <== d1.out[i];
}
for (i=0; i<64; i++) {
out[16*64+i] <== r16.out[i];
}
// r[21] = a[21] ^ d
component r21 = XorArray(64);
for (i=0; i<64; i++) {
r21.a[i] <== in[21*64+i];
r21.b[i] <== d1.out[i];
}
for (i=0; i<64; i++) {
out[21*64+i] <== r21.out[i];
}
// d = c1 ^ (c3<<1 | c3>>(64-1))
component d2 = D(64, 1, 64-1);
for (i=0; i<64; i++) {
d2.a[i] <== c3.out[i];
d2.b[i] <== c1.out[i];
}
// r[2] = a[2] ^ d
component r2 = XorArray(64);
for (i=0; i<64; i++) {
r2.a[i] <== in[2*64+i];
r2.b[i] <== d2.out[i];
}
for (i=0; i<64; i++) {
out[2*64+i] <== r2.out[i];
}
// r[7] = a[7] ^ d
component r7 = XorArray(64);
for (i=0; i<64; i++) {
r7.a[i] <== in[7*64+i];
r7.b[i] <== d2.out[i];
}
for (i=0; i<64; i++) {
out[7*64+i] <== r7.out[i];
}
// r[12] = a[12] ^ d
component r12 = XorArray(64);
for (i=0; i<64; i++) {
r12.a[i] <== in[12*64+i];
r12.b[i] <== d2.out[i];
}
for (i=0; i<64; i++) {
out[12*64+i] <== r12.out[i];
}
// r[17] = a[17] ^ d
component r17 = XorArray(64);
for (i=0; i<64; i++) {
r17.a[i] <== in[17*64+i];
r17.b[i] <== d2.out[i];
}
for (i=0; i<64; i++) {
out[17*64+i] <== r17.out[i];
}
// r[22] = a[22] ^ d
component r22 = XorArray(64);
for (i=0; i<64; i++) {
r22.a[i] <== in[22*64+i];
r22.b[i] <== d2.out[i];
}
for (i=0; i<64; i++) {
out[22*64+i] <== r22.out[i];
}
// d = c2 ^ (c4<<1 | c4>>(64-1))
component d3 = D(64, 1, 64-1);
for (i=0; i<64; i++) {
d3.a[i] <== c4.out[i];
d3.b[i] <== c2.out[i];
}
// r[3] = a[3] ^ d
component r3 = XorArray(64);
for (i=0; i<64; i++) {
r3.a[i] <== in[3*64+i];
r3.b[i] <== d3.out[i];
}
for (i=0; i<64; i++) {
out[3*64+i] <== r3.out[i];
}
// r[8] = a[8] ^ d
component r8 = XorArray(64);
for (i=0; i<64; i++) {
r8.a[i] <== in[8*64+i];
r8.b[i] <== d3.out[i];
}
for (i=0; i<64; i++) {
out[8*64+i] <== r8.out[i];
}
// r[13] = a[13] ^ d
component r13 = XorArray(64);
for (i=0; i<64; i++) {
r13.a[i] <== in[13*64+i];
r13.b[i] <== d3.out[i];
}
for (i=0; i<64; i++) {
out[13*64+i] <== r13.out[i];
}
// r[18] = a[18] ^ d
component r18 = XorArray(64);
for (i=0; i<64; i++) {
r18.a[i] <== in[18*64+i];
r18.b[i] <== d3.out[i];
}
for (i=0; i<64; i++) {
out[18*64+i] <== r18.out[i];
}
// r[23] = a[23] ^ d
component r23 = XorArray(64);
for (i=0; i<64; i++) {
r23.a[i] <== in[23*64+i];
r23.b[i] <== d3.out[i];
}
for (i=0; i<64; i++) {
out[23*64+i] <== r23.out[i];
}
// d = c3 ^ (c0<<1 | c0>>(64-1))
component d4 = D(64, 1, 64-1);
for (i=0; i<64; i++) {
d4.a[i] <== c0.out[i];
d4.b[i] <== c3.out[i];
}
// r[4] = a[4] ^ d
component r4 = XorArray(64);
for (i=0; i<64; i++) {
r4.a[i] <== in[4*64+i];
r4.b[i] <== d4.out[i];
}
for (i=0; i<64; i++) {
out[4*64+i] <== r4.out[i];
}
// r[9] = a[9] ^ d
component r9 = XorArray(64);
for (i=0; i<64; i++) {
r9.a[i] <== in[9*64+i];
r9.b[i] <== d4.out[i];
}
for (i=0; i<64; i++) {
out[9*64+i] <== r9.out[i];
}
// r[14] = a[14] ^ d
component r14 = XorArray(64);
for (i=0; i<64; i++) {
r14.a[i] <== in[14*64+i];
r14.b[i] <== d4.out[i];
}
for (i=0; i<64; i++) {
out[14*64+i] <== r14.out[i];
}
// r[19] = a[19] ^ d
component r19 = XorArray(64);
for (i=0; i<64; i++) {
r19.a[i] <== in[19*64+i];
r19.b[i] <== d4.out[i];
}
for (i=0; i<64; i++) {
out[19*64+i] <== r19.out[i];
}
// r[24] = a[24] ^ d
component r24 = XorArray(64);
for (i=0; i<64; i++) {
r24.a[i] <== in[24*64+i];
r24.b[i] <== d4.out[i];
}
for (i=0; i<64; i++) {
out[24*64+i] <== r24.out[i];
}
}