coin flip template

src/coin_flipping.rs

+mod gen_prime
+mod quadratic_residues
+
+// Returns A_N, N, y, P, Q
+pub fn generate_keys() -> (Vec::<BigUint> A_N, BigUint, BigUint, BigUint, BigUint) {
+    let P = prime_gen::gen_prime(512);
+    let Q = prime_gen::gen_prime(512);
+
+    let N = P * Q;
+
+    // TODO: Generate A_N
+    // A_N = 
+
+    /*
+    let mut y = sample_from_A_N()
+    while !is_quad_res(y, p) {
+        y = sample_from_A_N
+    }
+
+    */
+}
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