public void Decrypt(Stream inStream, Stream outStream)
{
byte[] ivLengthBytes = new byte[sizeof(Int32)];
inStream.Read(ivLengthBytes, 0, ivLengthBytes.Length);
Int32 ivLength = BitConverter.ToInt32(ivLengthBytes, 0);
byte[] iv = new byte[ivLength];
inStream.Read(iv, 0, ivLength);
int count = 0;
int blockSizeBytes = _wrappedAes.BlockSize;
byte[] data = new byte[blockSizeBytes];
ICryptoTransform transform = _wrappedAes.CreateDecryptor(Key, iv);
using (CryptoStream cryptoStream = new CryptoStream(outStream, transform, CryptoStreamMode.Write))
{
while ((count = inStream.Read(data, 0, blockSizeBytes)) > 0)
{
cryptoStream.Write(data, 0, count);
}
cryptoStream.FlushFinalBlock();
cryptoStream.Close();
}
}