public RLPSigner(byte[][] data, byte[] r, byte[] s, byte[] v, int numberOfEncodingElements)
{
this.numberOfEncodingElements = numberOfEncodingElements;
this.data = data;
signature = EthECDSASignatureFactory.FromComponents(r, s, v);
decoded = true;
}
public bool VerifyAllowingOnlyLowS(byte[] hash, EthECDSASignature sig)
{
if (!sig.IsLowS)
{
return(false);
}
return(_ecKey.Verify(hash, sig.ECDSASignature));
}
public void RlpDecode()
{
var decodedList = RLP.RLP.Decode(GetRLPEncoded());
var decodedData = new List\\();
var decodedElements = (RLPCollection)decodedList[0];
for (var i = 0; i \ decodedData.Add(decodedElements[i].RLPData);
// only parse signature in case is signed
if (decodedElements[numberOfEncodingElements].RLPData != null)
{
//Decode Signature
var v = decodedElements[numberOfEncodingElements].RLPData;
var r = decodedElements[numberOfEncodingElements + 1].RLPData;
var s = decodedElements[numberOfEncodingElements + 2].RLPData;
signature = EthECDSASignatureFactory.FromComponents(r, s, v);
}
data = decodedData.ToArray();
decoded = true;
}
public bool Verify(byte[] hash, EthECDSASignature sig)
{
return _ecKey.Verify(hash, sig.ECDSASignature);
}
public static EthECKey RecoverFromSignature(EthECDSASignature signature, byte[] hash, BigInteger chainId)
{
return new EthECKey(ECKey.RecoverFromSignature(GetRecIdFromVChain(signature.V, chainId),
signature.ECDSASignature, hash, false));
}
public static EthECKey RecoverFromSignature(EthECDSASignature signature, int recId, byte[] hash)
{
return new EthECKey(ECKey.RecoverFromSignature(recId, signature.ECDSASignature, hash, false));
}
public static EthECKey RecoverFromSignature(EthECDSASignature signature, byte[] hash)
{
return new EthECKey(ECKey.RecoverFromSignature(GetRecIdFromV(signature.V), signature.ECDSASignature, hash,
false));
}
public void Sign(EthECKey key, BigInteger chainId)
{
signature = key.SignAndCalculateV(RawHash, chainId);
rlpEncoded = null;
}
public void Sign(EthECKey key)
{
signature = key.SignAndCalculateV(RawHash);
rlpEncoded = null;
}