/// <summary>
 /// Decrypts the specified key.
 /// </summary>
 /// <param name="key">The key.</param>
 /// <returns></returns>
 public static string Decrypt(string key)
 {
     var aes = new SimpleAES();
    return aes.DecryptString(key);
 }
 /// <summary>
 /// Encrypts the specified key.
 /// </summary>
 /// <param name="key">The key.</param>
 /// <returns></returns>
 public static string Encrypt(string key)
 {
     var aes = new SimpleAES();
     var encryptStr = aes.EncryptToString(key);
     return encryptStr;
 }