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44 lines
1.1 KiB
44 lines
1.1 KiB
package sha512
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import (
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"github.com/consensys/gnark/frontend"
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)
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func SigmaPlus512(api frontend.API, in2, in7, in15, in16 []frontend.Variable) ([64]frontend.Variable) {
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if len(in2) != 64 { panic("bad length") }
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sigma1 := SmallSigma512(api, in2, 19, 61, 6)
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sigma0 := SmallSigma512(api, in15, 1, 8, 7)
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return BinSum(api, sigma1, in7, sigma0, in16)
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}
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// template SigmaPlus512() {
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// signal input in2[64];
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// signal input in7[64];
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// signal input in15[64];
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// signal input in16[64];
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// signal output out[64];
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// var k;
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// component sigma1 = SmallSigma512(19,61,6);
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// component sigma0 = SmallSigma512(1, 8, 7);
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// for (k=0; k<64; k++) {
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// sigma1.in[k] <== in2[k];
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// sigma0.in[k] <== in15[k];
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// }
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// component sum = BinSum(64, 4);
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// for (k=0; k<64; k++) {
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// sum.in[0][k] <== sigma1.out[k];
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// sum.in[1][k] <== in7[k];
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// sum.in[2][k] <== sigma0.out[k];
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// sum.in[3][k] <== in16[k];
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// }
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// for (k=0; k<64; k++) {
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// out[k] <== sum.out[k];
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// }
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// }
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