/// <summary>
/// Verify message signed using signmessage from bitcoincore
/// </summary>
/// <param name="message">The message</param>
/// <param name="signature">The signature</param>
/// <returns>True if signatures is valid</returns>
public bool VerifyMessage(byte[] message, ECDSASignature signature)
{
#if HAS_SPAN
var messageToSign = Utils.FormatMessageForSigning(message);
var hash = Hashes.DoubleSHA256(messageToSign);
Span <byte> msg = stackalloc byte[32];
hash.ToBytes(msg);
return(_ECKey.SigVerify(signature.ToSecpECDSASignature(), msg));
#else
var messageToSign = Utils.FormatMessageForSigning(message);
var hash = Hashes.DoubleSHA256(messageToSign);
return(ECKey.Verify(hash, signature));
#endif
}
public bool Verify(uint256 hash, ECDSASignature sig)
{
if (sig == null)
{
throw new ArgumentNullException(nameof(sig));
}
if (hash == null)
{
throw new ArgumentNullException(nameof(hash));
}
#if HAS_SPAN
Span <byte> msg = stackalloc byte[32];
hash.ToBytes(msg);
return(_ECKey.SigVerify(sig.ToSecpECDSASignature(), msg));
#else
return(ECKey.Verify(hash, sig));
#endif
}
