First test added

circuits/barry.jaz

@@ -0,0 +1,43 @@
+
+
+
+template AND() {
+    signal input a;
+    signal input b;
+    signal output c;
+
+    c <== a*b;
+}
+
+template AND3() {
+    signal input in1;
+    signal input in2;
+    signal input in3;
+    signal output out;
+
+    component and1 = AND();
+    component and2 = AND();
+
+    in1 ==> and1.a;
+    in2 ==> and1.b;
+    in3 ==> and2.a;
+    and1.c ==> and2.b;
+    and2.c ==> out;
+}
+
+template ToBin() {
+    signal input in;
+    signal output out[32];
+
+    var lc = 0;
+
+    for (var i=0; i<32; i++) {
+        out[i] <-- (in >> i) & 1;
+        lc = lc + out[i] * 2**i;
+        out[i]*(out[i]-1) === 0;
+    }
+
+    lc === in;
+}
+
+component main = ToBin();

circuits/sha256/constants.jaz

@@ -12,7 +12,7 @@ template H(x) {
              0x5be0cd19];
 
     for (var i=0; i<32; i++) {
-        out[i] = (c[x] >> i) & 1;
+        out[i] <== (c[x] >> i) & 1;
     }
 }
 
@@ -30,6 +30,6 @@ template K(x) {
     ];
 
     for (var i=0; i<32; i++) {
-        out[i] = (c[x] >> i) & 1;
+        out[i] <== (c[x] >> i) & 1;
     }
 }

circuits/sha256/constants_test.jaz

@@ -0,0 +1,18 @@
+include "constants.jaz"
+
+template A() {
+    signal input in;
+    component h0;
+    h0 = K(8);
+
+    var lc = 0;
+    var e = 1;
+    for (var i=0; i<32; i++) {
+        lc = lc + e*h0.out[i];
+        e *= 2;
+    }
+
+    lc === in;
+}
+
+component main = A();

circuits/sha256/sum_test.jaz

@@ -1,26 +0,0 @@
-include "bitify.jaz"
-include "binsum.jaz"
-
-template A() {
-    signal input a;
-    signal input b;
-    signal output out;
-
-    component n2ba = Num2Bits(32);
-    component n2bb = Num2Bits(32);
-    component sum = BinSum(32,2);
-    component b2n = Bits2Num(32);
-
-    n2ba.in <== a;
-    n2bb.in <== b;
-
-    for (var i=0; i<32; i++) {
-        sum.in[0][i] <== n2ba.out[i];
-        sum.in[1][i] <== n2bb.out[i];
-        b2n.in[i] <== sum.out[i];
-    }
-
-    out <== b2n.out;
-}
-
-component main = A();