When I’m answering questions on Stack Overflow [http://www.StackOverflow.com], I see a lot of questions with code like this: // Convert our ciphertext into a byte array. byte[] cipherTextBytes = encryptedBytes; ... // Create uninitialized Rijndael encryption object. TripleDESCryptoServiceProvider symmetricKey = new TripleDESCryptoServiceProvider(); ... // Define memory stream which will be used to hold