Encrypt String to URL-Encoded Encrypted String

Download Chilkat .NET for 2.0 / 3.5 Framework

Download Chilkat .NET for 1.0 / 1.1 Framework

C# code to encrypt a string and return a url-encoded encrypted string.

	// Create an instance of the Chilkat encryption class.
	Chilkat.Crypt2 crypt = new Chilkat.Crypt2(); 

	// Any code begins the 30-day trial.
	crypt.UnlockComponent("30-day-trial"); 

	// Set the encryption algorithm to blowfish
	crypt.CryptAlgorithm = "blowfish"; 

	// Set the encryption strength to 256 bits.
	crypt.KeyLength = 256;

	// Set the password
	crypt.SecretKey = crypt.GenerateSecretKey("myPassword"); 

	// Indicate that we want URL-encoded output.
	crypt.EncodingMode = "url";

	string myText = "This is to be encrypted";

	string encryptedText = crypt.EncryptStringENC(myText);

	MessageBox.Show(encryptedText);

	string decryptedText = crypt.DecryptStringENC(encryptedText);

	MessageBox.Show(decryptedText);

Important: The download for this example does not contain the ChilkatDotNet.dll which
must be downloaded and installed separately at http://www.chilkatsoft.com/downloads.asp.
Once installed, add a reference to the DLL in the project by following the instructions at
http://www.example-code.com/vbdotnet/step2.asp