circomlib/circuits/sha256/rotate.circom
circuits/sha256/rotate.circomRaw
1/*
2 Copyright 2018 0KIMS association.
3
4 This file is part of circom (Zero Knowledge Circuit Compiler).
5
6 circom is a free software: you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
10
11 circom is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
14 License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with circom. If not, see <https://www.gnu.org/licenses/>.
18*/
19
20template RotR(n, r) {
21 signal input in[n];
22 signal output out[n];
23
24 for (var i=0; i<n; i++) {
25 out[i] <== in[ (i+r)%n ];
26 }
27}