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92 lines
2.0 KiB
92 lines
2.0 KiB
/*
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Copyright 2018 0KIMS association.
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This file is part of circom (Zero Knowledge Circuit Compiler).
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circom is a free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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circom is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with circom. If not, see <https://www.gnu.org/licenses/>.
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*/
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template XOR() {
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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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out <== a + b - 2*a*b;
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}
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template AND() {
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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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out <== a*b;
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}
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template OR() {
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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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out <== a + b - a*b;
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}
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template NOT() {
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signal input in;
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signal output out;
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out <== 1 + in - 2*in;
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}
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template NAND() {
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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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out <== 1 - a*b;
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}
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template NOR() {
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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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out <== a*b + 1 - a - b;
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}
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template MultiAND(n) {
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signal input in[n];
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signal output out;
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if (n==1) {
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out <== in[0];
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} else if (n==2) {
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component and1 = AND();
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and1.a <== in[0];
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and1.b <== in[1];
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out <== and1.out;
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} else {
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component and2 = AND();
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component ands[2];
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var n1 = n\2;
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var n2 = n-n\2;
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ands[0] = MultiAND(n1);
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ands[1] = MultiAND(n2);
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for (var i=0; i<n1; i++) ands[0].in[i] <== in[i];
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for (var i=0; i<n2; i++) ands[1].in[i] <== in[n1+i];
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and2.a <== ands[0].out;
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and2.b <== ands[1].out;
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out <== and2.out;
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}
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}
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