1 // Copyright 2020 Andrey Semashev 2 3 // Distributed under the Boost Software License, Version 1.0. 4 // See http://www.boost.org/LICENSE_1_0.txt 5 6 // See library home page at http://www.boost.org/libs/filesystem 7 8 // Include Boost.Predef first so that windows.h is guaranteed to be not included 9 #include <boost/predef/os/windows.h> 10 #include <boost/predef/os/cygwin.h> 11 #if !BOOST_OS_WINDOWS && !BOOST_OS_CYGWIN 12 #error "This config test is for Windows only" 13 #endif 14 15 #include <boost/winapi/config.hpp> 16 #include <boost/predef/platform.h> 17 #if !(BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6 && BOOST_WINAPI_PARTITION_APP_SYSTEM) 18 #error "No BCrypt API" 19 #endif 20 21 #include <cstddef> 22 #include <boost/winapi/basic_types.hpp> 23 #include <boost/winapi/bcrypt.hpp> 24 main()25int main() 26 { 27 unsigned char buf[16] = {}; 28 boost::winapi::BCRYPT_ALG_HANDLE_ handle; 29 boost::winapi::NTSTATUS_ status = boost::winapi::BCryptOpenAlgorithmProvider(&handle, boost::winapi::BCRYPT_RNG_ALGORITHM_, NULL, 0); 30 status = boost::winapi::BCryptGenRandom(handle, reinterpret_cast<boost::winapi::PUCHAR_>(static_cast<unsigned char*>(buf)), static_cast<boost::winapi::ULONG_>(sizeof(buf)), 0); 31 boost::winapi::BCryptCloseAlgorithmProvider(handle, 0); 32 } 33