include "sha256compression.circom"; include "bitify.circom" template Sha256_2() { signal input a; signal input b; signal output out; component bits2num = Bits2Num(216); component num2bits[2]; num2bits[0] = Num2Bits(216); num2bits[1] = Num2Bits(216); num2bits[0].in <== a; num2bits[1].in <== b; component sha256compression = Sha256compression() ; var i; for (i=0; i<216; i++) { sha256compression.inp[i] <== num2bits[0].out[215-i]; sha256compression.inp[i+216] <== num2bits[1].out[215-i]; } sha256compression.inp[432] <== 1; for (i=433; i<503; i++) { sha256compression.inp[i] <== 0; } sha256compression.inp[503] <== 1; sha256compression.inp[504] <== 1; sha256compression.inp[505] <== 0; sha256compression.inp[506] <== 1; sha256compression.inp[507] <== 1; sha256compression.inp[508] <== 0; sha256compression.inp[509] <== 0; sha256compression.inp[510] <== 0; sha256compression.inp[511] <== 0; for (i=0; i<216; i++) { bits2num.in[i] <== sha256compression.out[255-i]; } out <== bits2num.out; }