public static Proof GetProof(byte[] hash)
{
Prover.hash = hash;
v = BigInteger.Abs(new BigInteger(Cryptography.RandomBytes(16)));
var c = BigInteger.Abs(Heuristic());
var proof = new Proof {
C = c, R = R(c), T = T(), Y = T()
};
//Console.WriteLine($"C: {proof.C.ToString()}\nR: {proof.R.ToString()}\nT: {proof.T.ToString()}\nY: {proof.Y.ToString()}");
//Console.WriteLine($"v: {v.ToString()}");
//Console.WriteLine($"X: {X().ToString()}");
return(proof);
}
public bool Verify(Proof proof)
{
BigInteger result;
if (proof.R < 0)
{
var inverValue = BigInteger.ModPow(g, -proof.R, prime);
var f = BigInteger.ModPow(proof.Y, proof.C, prime);
var inv = Inverse(inverValue, prime);
result = BigInteger.Multiply(inv, f) % prime;
}
else
{
var q = BigInteger.ModPow(g, proof.R, prime);
var k = BigInteger.ModPow(proof.Y, proof.C, prime) % prime;
result = BigInteger.Multiply(q, k);
}
return(proof.T.Equals(result));
}