public static ECDSA_SIG ECDSASign(ECPrivateKeyInfo keyInfo, byte[] digest)
{
ECDSA_SIG result = default;
CryptoLibHelper.DoECDSASign(keyInfo.EC_OpenSSL_NID, keyInfo.RAW_PrivKey, digest, ref result);
return(result);
}
// public static byte[] DoRandomHash2(byte[] message) => RandomHash2Fast.Compute(message);
public static string PrivateKey2Hexa(ECPrivateKeyInfo privateKeyInfo) =>
privateKeyInfo.RAW_PrivKey.ToHexaString();