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First Version SMT

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Jordi Baylina
2018-12-11 17:25:21 +01:00
parent 2d43178c8d
commit 38fc4b7396
15 changed files with 495 additions and 122321 deletions
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48
circuits/smt/smthash.circom Normal file
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include "../mimc.circom";
/*
Hash1 = H(1 | key | value)
*/
template SMTHash1() {
signal input key;
signal input value;
signal output out;
component h1 = MiMC7(91); // Constant
h1.x_in <== 0;
h1.k <== 1;
component h2 = MiMC7(91);
h2.x_in <== h1.out;
h2.k <== key;
component h3 = MiMC7(91);
h3.x_in <== h2.out;
h3.k <== value;
out <== h3.out;
}
/*
This component is used to create the 2 nodes.
Hash2 = H(Hl | Hr)
*/
template SMTHash2() {
signal input L;
signal input R;
signal output out;
component h1 = MiMC7(91);
h1.x_in <== 0;
h1.k <== L;
component h2 = MiMC7(91);
h2.x_in <== h1.out;
h2.k <== R;
out <== h2.out;
}