public string Encrypt(string plainText, string saltKey)
{
var plainTextBytes = Encoding.UTF8.GetBytes(plainText);
using (var bytesDerived = new Rfc2898DeriveBytes(_crypterSettings.PepperKey, Encoding.ASCII.GetBytes(saltKey)))
{
var keyBytes = bytesDerived.GetBytes(256 / 8);
using (var symmetricKey = new RijndaelManaged()
{
Mode = CipherMode.CBC, Padding = PaddingMode.Zeros
})
{
var encryptor = symmetricKey.CreateEncryptor(keyBytes, Encoding.ASCII.GetBytes(_crypterSettings.SecretKey));
byte[] cipherTextBytes;
using (var memoryStream = new MemoryStream())
{
using (var cryptoStream = new CryptoStream(memoryStream, encryptor, CryptoStreamMode.Write))
{
cryptoStream.Write(plainTextBytes, 0, plainTextBytes.Length);
cryptoStream.FlushFinalBlock();
cipherTextBytes = memoryStream.ToArray();
cryptoStream.Close();
}
memoryStream.Close();
}
return(ConvertUtil.BytesToString(cipherTextBytes));
}
}
}