First iteration sha256

circuits/sha256/t2.circom

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+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 = Sum(32, 2);
+
+    component bigsigma0 = Sigma(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];
+    }
+}