public static string SHA256(byte[] data)
{
using var sha256 = Crypto.SHA256.Create();
var result = sha256.ComputeHash(data);
return(HexUtils.HexFromByteArray(result));
}
public static string SHA256(Stream stream)
{
using var sha256 = Crypto.SHA256.Create();
stream.Seek(0, SeekOrigin.Begin);
var result = sha256.ComputeHash(stream);
return(HexUtils.HexFromByteArray(result));
}
public static bool TxInSignatureContainsPublicKey(string txInSignature, PublicKey publicKey)
{
int indexOfDelimiter = txInSignature.IndexOf('.');
if (indexOfDelimiter < 0)
{
return(false);
}
var publicKeyString = HexUtils.HexFromByteArray(publicKey.toDer());
if (txInSignature.Length < publicKeyString.Length)
{
return(false);
}
return(txInSignature.EndsWith(publicKeyString));
}
