public static SqlString decrypt2F(SqlString message, SqlString pwd, SqlString salt)
{
byte[] saltBytes = Encoding.ASCII.GetBytes(salt.ToString());
try
{
return(BC2F.Decrypt2F(message.ToString(), pwd.ToString(), saltBytes));
}
catch (Exception ex) { return(ex.Message); }
}
public static string Decrypt2F(string TextEncripted, string Password, byte[] Salt)
{
Sha3Digest Sha3Digest = new Sha3Digest();
Pkcs5S2ParametersGenerator gen = new Pkcs5S2ParametersGenerator(Sha3Digest);
gen.Init(Encoding.UTF8.GetBytes(Password), Salt, 1000);
KeyParameter param = (KeyParameter)gen.GenerateDerivedParameters(new TwofishEngine().AlgorithmName, 256);
BC2F bcEngine = new BC2F(new TwofishEngine(), Encoding.UTF8);
bcEngine.SetPadding(new Pkcs7Padding());
return(bcEngine.Decrypt(TextEncripted, param));
}
