[DllImport("Advapi32.dll", SetLastError = true)][return: MarshalAs(UnmanagedType.Bool)]
public static extern bool CryptEncrypt(
IntPtr hKey,
IntPtr hHash,
[MarshalAs(UnmanagedType.Bool)] bool Final,
uint dwFlags,
IntPtr pbData,
ref uint pdwDataLen,
uint dwBufLen
);