private static byte[] encryptStringToBytes_AES(byte[] textBytes, byte[] Key, byte[] IV)
{
// Declare the stream used to encrypt to an in memory
// array of bytes and the RijndaelManaged object
// used to encrypt the data.
using (var msEncrypt = new MemoryStream())
using (var aesAlg = new RijndaelManaged())
{
// Provide the RijndaelManaged object with the specified key and IV.
aesAlg.Mode = CipherMode.CBC;
aesAlg.Padding = PaddingMode.PKCS7;
aesAlg.KeySize = 128;
aesAlg.BlockSize = 128;
aesAlg.Key = Key;
aesAlg.IV = IV;
// Create an encrytor to perform the stream transform.
ICryptoTransform encryptor = aesAlg.CreateEncryptor();
// Create the streams used for encryption.
using (var csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write))
{
csEncrypt.Write(textBytes, 0, textBytes.Length);
csEncrypt.FlushFinalBlock();
}
byte[] encrypted = msEncrypt.ToArray();
// Return the encrypted bytes from the memory stream.
return encrypted;
}
}
