private static extern SECURITY_STATUS NCryptSetProperty(SafeNCryptHandle hObject, string pszProperty, [In, MarshalAs(UnmanagedType.LPArray)] byte[] pbInput, int cbInput, CngPropertyOptions dwFlags);
private static extern SECURITY_STATUS NCryptGetProperty(SafeNCryptHandle hObject, string pszProperty, ref int pbOutput, int cbOutput, [Out] out int pcbResult, CngPropertyOptions dwFlags);
private static extern SECURITY_STATUS NCryptSetProperty(SafeNCryptHandle hObject, string pszProperty, string pbInput, int cbInput, CngPropertyOptions dwFlags);