public string Encrypt(string value)
{
System.Security.Cryptography.DES des = System.Security.Cryptography.DES.Create();
byte[] tmp = Encoding.UTF8.GetBytes(value);
Byte[] encryptoData;
ICryptoTransform encryptor = des.CreateEncryptor(key, iv);
using (MemoryStream memoryStream = new MemoryStream()) {
using (var cs = new CryptoStream(memoryStream, encryptor, CryptoStreamMode.Write)) {
using (StreamWriter writer = new StreamWriter(cs)) {
writer.Write(value);
writer.Flush();
}
}
encryptoData = memoryStream.ToArray();
}
des.Clear();
return(Convert.ToBase64String(encryptoData));
}