public override ICryptoTransform CreateEncryptor(byte[] rgbKey, byte[] rgbIV, byte[] additional)
{
if (rgbKey == null)
{
throw new ArgumentNullException("rgbKey");
}
if (rgbKey.Length != _keySize)
{
throw new CryptographicException("rgbKey");
}
if (rgbIV == null)
{
throw new ArgumentNullException("rgbIV");
}
if (additional == null)
{
throw new ArgumentNullException("additional");
}
IGenericBlockCipher cipher = new AriaBlockCipher(rgbKey);
return(new GenericGcmModeCryptoTransform(cipher, true, rgbIV, additional, _tagSize));
}
public override ICryptoTransform CreateDecryptor(byte[] rgbKey, byte[] rgbIV, byte[] additional)
{
if (rgbKey == null)
{
throw new ArgumentNullException("rgbKey");
}
if (rgbKey.Length != _keySize)
{
throw new CryptographicException("rgbKey");
}
if (rgbIV == null)
{
throw new ArgumentNullException("rgbIV");
}
if (rgbIV.Length != BlockSize)
{
throw new CryptographicException("rgbIV");
}
AriaBlockCipher cipher = new AriaBlockCipher(rgbKey);
return(new GenericCbcModeCryptoTransform(cipher, false, rgbIV));
}