public string Encrypt(string plainText, string password)
{
if (plainText == null)
{
throw new ArgumentNullException("plainText");
}
if (string.IsNullOrEmpty(password))
{
throw new ArgumentNullException("password");
}
DESCryptoServiceProvider dESCryptoServiceProvider = new DESCryptoServiceProvider();
dESCryptoServiceProvider.GenerateIV();
Rfc2898DeriveBytes rfc2898DeriveBytes = new Rfc2898DeriveBytes(password, dESCryptoServiceProvider.get_IV(), 1000);
byte[] bytes = rfc2898DeriveBytes.GetBytes(8);
string result;
using (MemoryStream memoryStream = new MemoryStream())
{
using (CryptoStream cryptoStream = new CryptoStream(memoryStream, dESCryptoServiceProvider.CreateEncryptor(bytes, dESCryptoServiceProvider.get_IV()), 1))
{
memoryStream.Write(dESCryptoServiceProvider.get_IV(), 0, dESCryptoServiceProvider.get_IV().Length);
byte[] bytes2 = Encoding.get_UTF8().GetBytes(plainText);
cryptoStream.Write(bytes2, 0, bytes2.Length);
cryptoStream.FlushFinalBlock();
result = Convert.ToBase64String(memoryStream.ToArray());
}
}
return(result);
}