Microsoft Rc2cryptoserviceprovider Plus Decryption

Using system;using system.io;using system.text;using system.security.cryptography;namespace Rc2cryptoserviceprovider_examples{class MyMainClass1 {public static void Main () {//Crea            Te a new instance of the Rc2cryptoserviceprovider class//and automatically generate a Key and Iv.            Rc2cryptoserviceprovider RC2CSP = new Rc2cryptoserviceprovider ();            Console.WriteLine ("Effective key size is {0} bits.", rc2csp.effectivekeysize);            String striv = "1234567";            Get the key and Iv.            byte[] key = Rc2csp.key;            Byte[] IV;//= Rc2csp.iv;            IV = ASCIIEncoding.ASCII.GetBytes (Striv);            Get an encryptor.            ICryptoTransform encryptor = Rc2csp.createencryptor (key, IV);            Encrypt the data as an array of encrypted bytes in memory.            MemoryStream msencrypt = new MemoryStream (); CryptoStream csencrypt = new CryptoStream (Msencrypt, Encryptor, CrYptostreammode.write);            Convert the data to a byte array.            String original = "Here are some data to encrypt.";            byte[] Toencrypt = Encoding.ASCII.GetBytes (original);            Write all data to the crypto stream and flush it.            Csencrypt.write (toencrypt, 0, toencrypt.length);            Csencrypt.flushfinalblock ();            Get the encrypted array of bytes.            Byte[] encrypted = Msencrypt.toarray (); /**//////////////////////////////////////////////////////////This is where the data could be Tran                      Smitted or saved. /**//////////////////////////////////////////////////////////get A decryptor that uses the same ke            Y and IV as the encryptor.            ICryptoTransform decryptor = Rc2csp.createdecryptor (key, IV);            Now decrypt the previously encrypted message using the Decryptor//obtained in the above step. MemoryStreamMsdecrypt = new MemoryStream (encrypted);            CryptoStream csdecrypt = new CryptoStream (Msdecrypt, Decryptor, CryptoStreamMode.Read);            byte[] Fromencrypt = new Byte[toencrypt.length];            Read the data out of the crypto stream.            Csdecrypt.read (fromencrypt, 0, toencrypt.length);            Convert the byte array back to a string.            String roundtrip = Encoding.ASCII.GetString (Fromencrypt);            Display the original data and the decrypted data.            Console.WriteLine ("Original: {0}", Original);            Console.WriteLine ("Round trip: {0}", roundtrip);        Console.ReadLine (); }    }}

Microsoft Rc2cryptoserviceprovider Plus Decryption