You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
45 lines
1.1 KiB
45 lines
1.1 KiB
/*
|
|
Copyright 2018 0KIMS association.
|
|
|
|
This file is part of circom (Zero Knowledge Circuit Compiler).
|
|
|
|
circom is a free software: you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
circom is distributed in the hope that it will be useful, but WITHOUT
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
|
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
|
License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with circom. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
template Num2Bits(n) {
|
|
signal input in;
|
|
signal output out[n];
|
|
var lc1=0;
|
|
|
|
for (var i = 0; i<n; i++) {
|
|
out[i] <-- (in >> i) & 1;
|
|
out[i] * (out[i] -1 ) === 0;
|
|
lc1 += out[i] * 2**i;
|
|
}
|
|
|
|
lc1 === in;
|
|
|
|
}
|
|
|
|
template Bits2Num(n) {
|
|
signal input in[n];
|
|
signal output out;
|
|
var lc1=0;
|
|
|
|
for (var i = 0; i<n; i++) {
|
|
lc1 += in[i] * 2**i;
|
|
}
|
|
|
|
lc1 ==> out;
|
|
}
|