public static void XTSChainDecrypt(KeyValuePairList <SymmetricAlgorithm, byte[]> algorithmChain, ulong dataUnitIndex, byte[] inputBuffer, int inputOffset, int inputCount, byte[] outputBuffer, int outputOffset)
{
Array.Copy(inputBuffer, inputOffset, outputBuffer, outputOffset, inputCount);
KeyValuePairList <SymmetricAlgorithm, byte[]> reversedChain = new KeyValuePairList <SymmetricAlgorithm, byte[]>();
reversedChain.AddRange(algorithmChain);
reversedChain.Reverse();
foreach (KeyValuePair <SymmetricAlgorithm, byte[]> algorithm in reversedChain)
{
byte[] key1 = new byte[32];
byte[] key2 = new byte[32];
Array.Copy(algorithm.Value, 0, key1, 0, 32);
Array.Copy(algorithm.Value, 32, key2, 0, 32);
XTSDecrypt(algorithm.Key, key1, key2, dataUnitIndex, outputBuffer, outputOffset, inputCount, outputBuffer, outputOffset);
}
}
