public ECDSASignature Sign(uint256 hash)
{
AssertPrivateKey();
var signer = new DeterministicECDSA();
signer.setPrivateKey(PrivateKey);
var sig = ECDSASignature.FromDER(signer.signHash(hash.ToBytes()));
return sig.MakeCanonical();
}
public ECDSASignature Sign(uint256 hash, bool useLowR = true)
{
AssertPrivateKey();
var signer = new DeterministicECDSA(useLowR);
signer.setPrivateKey(PrivateKey);
var sig = ECDSASignature.FromDER(signer.signHash(hash.ToBytes()));
return(sig.MakeCanonical());
}
public virtual ECDSASignature Sign(byte[] hash)
{
AssertPrivateKey();
var signer = new DeterministicECDSA();
signer.setPrivateKey(PrivateKey);
var sig = ECDSASignature.FromDER(signer.signHash(hash));
return(sig.MakeCanonical());
}
public ECDSASignature Sign(uint256 hash)
{
AssertPrivateKey();
var signer = new DeterministicECDSA();
signer.setPrivateKey(this.PrivateKey);
ECDSASignature sig = ECDSASignature.FromDER(signer.signHash(hash.ToBytes()));
return(sig.MakeCanonical());
}
private void TestSig(ECPrivateKeyParameters key, DeterministicSigTest test)
{
DeterministicECDSA dsa = new DeterministicECDSA(test.Hash);
dsa.setPrivateKey(key);
dsa.update(Encoding.UTF8.GetBytes(test.Message));
var result = dsa.sign();
Assert.Equal(test.K, dsa.LastK);
Assert.Equal(test.R, dsa.LastR);
Assert.Equal(test.S, ECDSASignature.FromDER(result).S);
}
public virtual ECDSASignature Sign(byte[] hash)
{
AssertPrivateKey();
var signer = new DeterministicECDSA();
signer.setPrivateKey(PrivateKey);
var sig = ECDSASignature.FromDER(signer.signHash(hash));
return sig.MakeCanonical();
}
