Merge other basic circuits here

circuits/sha256/t2.circom

@@ -0,0 +1,47 @@
+/*
+    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/>.
+*/
+
+include "../binsum.circom";
+include "sigma.circom";
+include "maj.circom"
+
+template T2() {
+    signal input a[32];
+    signal input b[32];
+    signal input c[32];
+    signal output out[32];
+
+    component sum = BinSum(32, 2);
+
+    component bigsigma0 = BigSigma(2, 13, 22);
+    component maj = Maj(32);
+
+    for (var k=0; k<32; k++) {
+
+        bigsigma0.in[k] <== a[k];
+        maj.a[k] <== a[k];
+        maj.b[k] <== b[k];
+        maj.c[k] <== c[k];
+
+        sum.in[0][k] <== bigsigma0.out[k];
+        sum.in[1][k] <== maj.out[k];
+
+        out[k] <== sum.out[k];
+    }
+}