public static byte[] EncryptDataToBytes(byte[] Data, byte[] Key, byte[] IV)
{
RijndaelHelper.CanPerformEncrypt(Data, Key, IV);
byte[] encryptedData;
// Create an Rijndael object
// with the specified key and IV.
using (Rijndael rijAlg = Rijndael.Create())
{
rijAlg.Key = Key;
rijAlg.IV = IV;
// Create an encryptor to perform the stream transform.
ICryptoTransform encryptor = rijAlg.CreateEncryptor(rijAlg.Key, rijAlg.IV);
// Create the streams used for encryption.
using (MemoryStream msEncrypt = new MemoryStream())
{
using (CryptoStream csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write))
{
using (BinaryWriter binaryWriter = new BinaryWriter(csEncrypt))
{
binaryWriter.Write(Data);
}
encryptedData = msEncrypt.ToArray();
}
}
}
// Return the encrypted bytes from the memory stream.
return(encryptedData);
}
public static byte[] DecryptDataFromBytes(byte[] cipherText, byte[] Key, byte[] IV)
{
RijndaelHelper.CanPerformDecrypt(cipherText, Key, IV);
byte[] decryptedData = null;
// Create an Rijndael object
// with the specified key and IV.
using (Rijndael rijAlg = Rijndael.Create())
{
rijAlg.Key = Key;
rijAlg.IV = IV;
// Create a decryptor to perform the stream transform.
ICryptoTransform decryptor = rijAlg.CreateDecryptor(rijAlg.Key, rijAlg.IV);
// Create the streams used for decryption.
using (MemoryStream msDecrypt = new MemoryStream(cipherText))
{
using (CryptoStream csDecrypt = new CryptoStream(msDecrypt, decryptor, CryptoStreamMode.Read))
{
using (BinaryReader binaryReader = new BinaryReader(csDecrypt))
{
decryptedData = binaryReader.ReadAllBytes();
}
}
}
}
return(decryptedData);
}
