internal byte[] private_decrypt(byte[] input, bool do_final)
{
byte[] output = new byte[_key_size];
Buffer.BlockCopy(input, 0, output, 0, input.Length);
for (int i = 0; i < (_key_size / 2); i++)
{
byte c = output[i];
output[i] = output[_key_size - 1 - i];
output[_key_size - 1 - i] = c;
}
int dword_input_size = input.Length;
bool result = Crypt32.CryptDecrypt(_key, IntPtr.Zero, do_final, Crypt32.CRYPT_OAEP,
ref output, ref dword_input_size);
Helpers.Resize(ref output, dword_input_size); // is this necessary?
return(output);
}