public static string SHA256(string data)
{
var bytes = Hex.Hex2Bytes(data);
var hashed = SHA256(bytes);
return(Hex.Bytes2Hex(hashed));
}
public static string RIPEMD160(string data)
{
var bytes = Hex.Hex2Bytes(data);
var hashed = RIPEMD160(bytes);
return(Hex.Bytes2Hex(hashed));
}
public static string GenerateSecp256k1PublicKey(string privateKey, bool useCompression)
{
var Ecc = SecNamedCurves.GetByName("secp256k1");
var DomainParams = new ECDomainParameters(Ecc.Curve, Ecc.G, Ecc.N, Ecc.H);
var bytes = Hex.Hex2Bytes(privateKey);
BigInteger d = new BigInteger(bytes);
ECPoint q = DomainParams.G.Multiply(d);
q = q.Normalize();
var publicParams = new ECPublicKeyParameters(q, DomainParams);
FpPoint fp = new FpPoint(Ecc.Curve, q.AffineXCoord, q.AffineYCoord);
return(Hex.Bytes2Hex(fp.GetEncoded(useCompression)));
}
/// <summary>
/// Output as hexadecimal binary encoding
/// </summary>
/// <returns></returns>
public new string ToString()
{
return(Hex.Bytes2Hex(_bytes));
}
