AesExample

AesExample.cs

static void Main(string[] args)
        {
            try
            {
                const int AesBlockSize = 128;
                const CipherMode AesMode = CipherMode.CBC;
                const int AesKeySize = 256;
                byte[] IV = new byte[] {148, 22, 160, 30, 29, 229, 95, 124, 57, 3, 236, 225, 83, 164, 109, 89};
                byte[] key = new byte[] {151, 171, 230, 106, 79, 228, 203, 65, 11, 229, 238, 157, 170, 26, 6, 75, 205, 122, 87, 11, 134, 161, 159, 17, 93, 140, 66, 222, 216, 158, 23, 73 };

                string someString = "blahblahblah";
                var bytes = Encoding.UTF8.GetBytes(someString);

                var aes = new AesManaged()
                {
                    BlockSize = AesBlockSize,
                    Mode = AesMode,
                    KeySize = AesKeySize,
                    IV = IV,
                    Key = key
                };
                
                var memoryStream = new MemoryStream();
                 int encryptedLen;
                using (var transformer = aes.CreateEncryptor())
                {
                    using (var cryptoStream = new CryptoStream(memoryStream, transformer, CryptoStreamMode.Write))
                    {
                        cryptoStream.Write(bytes, 0, bytes.Length);
                        cryptoStream.FlushFinalBlock();
                        encryptedLen = (int) memoryStream.Length;
                        cryptoStream.Close();
                    }
                }
                var encryptedData = memoryStream.GetBuffer();
                for (int i = 0; i < encryptedLen; i++)
                {
                    Console.Write("{0:x2} ", encryptedData[i]);
                }
                Console.WriteLine();
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.ToString());
            }
            Console.WriteLine("press any key");
            Console.ReadLine();
        }