/// <summary>
///
/// </summary>
/// <param name="cipherText"></param>
/// <returns></returns>
public string Decrypt(string cipherText)
{
if (!string.IsNullOrEmpty(cipherText))
{
var _output = (string)null;
using (var _rijndael = Rijndael.Create())
{
using (var _rfc = new Rfc2898DeriveBytes(Password, SaltKey.ToBytes(Encoding)))
{
_rijndael.IV = _rfc.GetBytes(16);
_rijndael.Key = _rfc.GetBytes(32);
using (ICryptoTransform _ct = _rijndael.CreateDecryptor())
{
var _bytes = Convert.FromBase64String(cipherText);
using (var _ms = new MemoryStream(_bytes))
using (var _cs = new CryptoStream(_ms, _ct, CryptoStreamMode.Read))
using (var _sr = new StreamReader(_cs, Encoding))
{
_output = _sr.ReadToEnd();
_sr.Close();
_sr.Dispose();
_cs.Close();
_cs.Dispose();
_ms.Close();
_ms.Dispose();
}
_ct.Dispose();
}
}
}
return(_output);
}
return(null);
}
/// <summary>
///
/// </summary>
/// <param name="plainText"></param>
/// <returns></returns>
public string Encrypt(string plainText)
{
if (!string.IsNullOrEmpty(plainText))
{
var _output = (byte[])null;
using (var _rijndael = Rijndael.Create())
{
using (var _rfc = new Rfc2898DeriveBytes(Password, SaltKey.ToBytes(Encoding)))
{
_rijndael.IV = _rfc.GetBytes(16);
_rijndael.Key = _rfc.GetBytes(32);
using (var _ct = _rijndael.CreateEncryptor())
{
using (var _ms = new MemoryStream())
using (var _cs = new CryptoStream(_ms, _ct, CryptoStreamMode.Write))
using (var _sw = new StreamWriter(_cs))
{
_sw.Write(plainText);
_sw.Close();
_output = _ms.ToArray();
_cs.Close();
_cs.Dispose();
_ms.Close();
_ms.Dispose();
}
}
}
}
if (_output != null && _output.Length > 0)
{
return(Convert.ToBase64String(_output));
}
}
return(null);
}