public void BlsRoundtripSignAndVerify()
{
// Arrange
var privateKey = HexMate.Convert.FromHexString(PrivateKeys[1]);
var messageHash = MessageHashes[0];
var domain = Domains[0];
Console.WriteLine("Input:");
Console.WriteLine("Private Key: [{0}] {1}", privateKey.Length, HexMate.Convert.ToHexString(privateKey));
Console.WriteLine("Domain: [{0}] {1}", domain.Length, HexMate.Convert.ToHexString(domain));
Console.WriteLine("MessageHash: [{0}] {1}", messageHash.Length, HexMate.Convert.ToHexString(messageHash));
// Act
var parameters = new BLSParameters()
{
PrivateKey = privateKey
};
using var bls = new BLSHerumi(parameters);
var publicKey = new byte[48];
_ = bls.TryExportBLSPublicKey(publicKey, out var _);
Console.WriteLine("Public Key: [{0}] {1}", publicKey.Length, HexMate.Convert.ToHexString(publicKey));
var initialX = new byte[96];
_ = bls.TryCombineHashAndDomain(messageHash, domain, initialX, out var _);
Console.WriteLine("InitialX: [{0}] {1}", initialX.Length, HexMate.Convert.ToHexString(initialX));
var signature = new byte[96];
var signatureSuccess = bls.TrySignHash(initialX, signature.AsSpan(), out var bytesWritten);
Console.WriteLine("Signature: {0} [{1}] {2}", signatureSuccess, bytesWritten, HexMate.Convert.ToHexString(signature));
//var expectedSignature = HexMate.Convert.FromHexString("b9d1bf921b3dd048bdce38c2ceac2a2a8093c864881f2415f22b198de935ffa791707855c1656dc21a7af2d502bb46590151d645f062634c3b2cb79c4ed1c4a4b8b3f19f0f5c76965c651553e83d153ff95353735156eff77692f7a62ae653fb");
//signature.ShouldBe(expectedSignature);
var verifySuccess = bls.VerifyHash(initialX, signature);
Console.WriteLine("Verify1: {0}", verifySuccess);
var parameters2 = new BLSParameters()
{
PublicKey = publicKey
};
using var bls2 = new BLSHerumi(parameters);
var verifySuccess2 = bls2.VerifyHash(initialX, signature);
Console.WriteLine("Verify2: {0}", verifySuccess2);
verifySuccess2.ShouldBeTrue();
}
