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44 lines
1.0 KiB
44 lines
1.0 KiB
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include "sha256compression.circom";
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include "bitify.circom"
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template Sha256_2() {
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signal input a;
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signal input b;
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signal output out;
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component bits2num = Bits2Num(216);
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component num2bits[2] = Num2Bits(216);
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num2bits[0].inp <== a;
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num2bits[1].inp <== b;
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component sha256compression = Sha256compression() ;
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var i;
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for (i=0; i<216; i++) {
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sha256compression.inp[i] <== num2bits[0].out[i];
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sha256compression.inp[i+216] <== num2bits[1].out[i];
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}
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for (i=432; i<247; i++) {
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sha256compression.inp[i] <== 0;
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}
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sha256compression.inp[247] <== 1;
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sha256compression.inp[248] <== 1;
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sha256compression.inp[249] <== 0;
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sha256compression.inp[250] <== 1;
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sha256compression.inp[251] <== 1;
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sha256compression.inp[252] <== 0;
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sha256compression.inp[253] <== 0;
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sha256compression.inp[254] <== 0;
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sha256compression.inp[255] <== 0;
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for (i=0; i<216; i++) {
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bits2num.inp[i] <== sha256compression.out[i];
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}
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out <== bits2num.out;
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}
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