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VitNX3 Documentation

# EncrypterAndDecrypter.DecryptQryParam Method

Namespace: VitNX3.Functions.Data
Assembly: VitNX3 (in VitNX3.dll)
Decrypts the text with qry param.
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    public static string DecryptQryParam(
       string input
    )

    This language is not supported or no code example is available.

#### Parameters

input
  string

The input.

#### Return Value

string

A string.

Source code
VB
C#
F#
C++
JScript
Copy

    public static string DecryptQryParam(string input)
     {
         input = input.Replace("~", "+").Replace("^", "/");
         RijndaelManaged RijndaelCipher = new RijndaelManaged();
         string DecryptedData = null;
         try
         {
             byte[] EncryptedData = Convert.FromBase64String(input);
             byte[] Salt = Encoding.ASCII.GetBytes(password.Length.ToString());
             PasswordDeriveBytes SecretKey = new PasswordDeriveBytes(password, Salt);
             ICryptoTransform Decryptor = RijndaelCipher.CreateDecryptor(SecretKey.GetBytes(32),
                 SecretKey.GetBytes(16));
             MemoryStream memoryStream = new MemoryStream(EncryptedData);
             CryptoStream cryptoStream = new CryptoStream(memoryStream,
                 Decryptor,
                 CryptoStreamMode.Read);
             byte[] PlainText = new byte[(EncryptedData.Length)];
             int DecryptedCount = cryptoStream.Read(PlainText, 0, PlainText.Length);
             memoryStream.Close();
             cryptoStream.Close();
             DecryptedData = Encoding.Unicode.GetString(PlainText, 0,
                 DecryptedCount);
         }
         catch { DecryptedData = input; }
         return DecryptedData;
     }

    This language is not supported or no code example is available.

Applies to

#### .NET Framework

Supported in: 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8

#### .NET Core

Supported in: 5.0+, 6.0+
See Also
EncrypterAndDecrypter Class
VitNX3.Functions.Data Namespace