FM / detail

/usr/include/boost/uuid/detail

Name	Size	Mode	Actions
config.hpp	1831	0644	edit dl rm
md5.hpp	17554	0644	edit dl rm
random_provider.hpp	2955	0644	edit dl rm
random_provider_arc4random.ipp	730	0644	edit dl rm
random_provider_bcrypt.ipp	2824	0644	edit dl rm
random_provider_detect_platform.hpp	3412	0644	edit dl rm
random_provider_getentropy.ipp	933	0644	edit dl rm
random_provider_getrandom.ipp	2159	0644	edit dl rm
random_provider_include_platform.hpp	1138	0644	edit dl rm
random_provider_posix.ipp	2966	0644	edit dl rm
random_provider_wincrypt.ipp	3106	0644	edit dl rm
sha1.hpp	6067	0644	edit dl rm
uuid_generic.ipp	1193	0644	edit dl rm
uuid_x86.ipp	5985	0644	edit dl rm

Edit: /usr/include/boost/uuid/detail/random_provider_bcrypt.ipp (2824B)

#include <cstddef>
#include <boost/config.hpp>
#include <boost/core/ignore_unused.hpp>
#include <boost/move/core.hpp>
#include <boost/numeric/conversion/cast.hpp>
#include <boost/winapi/bcrypt.hpp>
#include <boost/winapi/get_last_error.hpp>
#include <boost/throw_exception.hpp>

#if defined(BOOST_UUID_FORCE_AUTO_LINK) || (!defined(BOOST_ALL_NO_LIB) && !defined(BOOST_UUID_RANDOM_PROVIDER_NO_LIB))
#   define BOOST_LIB_NAME "bcrypt"
#   if defined(BOOST_AUTO_LINK_NOMANGLE)
#      include <boost/config/auto_link.hpp>
#   else
#      define BOOST_AUTO_LINK_NOMANGLE
#      include <boost/config/auto_link.hpp>
#      undef BOOST_AUTO_LINK_NOMANGLE
#   endif
#endif

namespace boost {
namespace uuids {
namespace detail {

class random_provider_base
{
    BOOST_MOVABLE_BUT_NOT_COPYABLE(random_provider_base)

public:
    random_provider_base()
      : hProv_(NULL)
    {
        boost::winapi::NTSTATUS_ status =
            boost::winapi::BCryptOpenAlgorithmProvider(
                &hProv_, 
                boost::winapi::BCRYPT_RNG_ALGORITHM_,
                NULL,
                0);

if (BOOST_UNLIKELY(status != 0))
        {
            BOOST_THROW_EXCEPTION(entropy_error(status, "BCryptOpenAlgorithmProvider"));
        }
    }

random_provider_base(BOOST_RV_REF(random_provider_base) that) BOOST_NOEXCEPT : hProv_(that.hProv_)
    {
        that.hProv_ = NULL;
    }

random_provider_base& operator= (BOOST_RV_REF(random_provider_base) that) BOOST_NOEXCEPT
    {
        destroy();
        hProv_ = that.hProv_;
        that.hProv_ = NULL;
        return *this;
    }

~random_provider_base() BOOST_NOEXCEPT
    {
        destroy();
    }

//! Obtain entropy and place it into a memory location
    //! \param[in]  buf  the location to write entropy
    //! \param[in]  siz  the number of bytes to acquire
    void get_random_bytes(void *buf, std::size_t siz)
    {
        boost::winapi::NTSTATUS_ status =
            boost::winapi::BCryptGenRandom(
                hProv_,
                static_cast<boost::winapi::PUCHAR_>(buf),
                boost::numeric_cast<boost::winapi::ULONG_>(siz),
                0);

if (BOOST_UNLIKELY(status != 0))
        {
            BOOST_THROW_EXCEPTION(entropy_error(status, "BCryptGenRandom"));
        }
    }

private:
    void destroy() BOOST_NOEXCEPT
    {
        if (hProv_)
        {
            boost::ignore_unused(boost::winapi::BCryptCloseAlgorithmProvider(hProv_, 0));
        }
    }

private:
    boost::winapi::BCRYPT_ALG_HANDLE_ hProv_;
};

} // detail
} // uuids
} // boost

// // Copyright (c) 2017 James E. King III // // Distributed under the Boost Software License, Version 1.0. // (See accompanying file LICENSE_1_0.txt or copy at // https://www.boost.org/LICENSE_1_0.txt) // // BCrypt provider for entropy // #include #include #include #include #include #include #include #include #if defined(BOOST_UUID_FORCE_AUTO_LINK) || (!defined(BOOST_ALL_NO_LIB) && !defined(BOOST_UUID_RANDOM_PROVIDER_NO_LIB)) # define BOOST_LIB_NAME "bcrypt" # if defined(BOOST_AUTO_LINK_NOMANGLE) # include # else # define BOOST_AUTO_LINK_NOMANGLE # include # undef BOOST_AUTO_LINK_NOMANGLE # endif #endif namespace boost { namespace uuids { namespace detail { class random_provider_base { BOOST_MOVABLE_BUT_NOT_COPYABLE(random_provider_base) public: random_provider_base() : hProv_(NULL) { boost::winapi::NTSTATUS_ status = boost::winapi::BCryptOpenAlgorithmProvider( &hProv_, boost::winapi::BCRYPT_RNG_ALGORITHM_, NULL, 0); if (BOOST_UNLIKELY(status != 0)) { BOOST_THROW_EXCEPTION(entropy_error(status, "BCryptOpenAlgorithmProvider")); } } random_provider_base(BOOST_RV_REF(random_provider_base) that) BOOST_NOEXCEPT : hProv_(that.hProv_) { that.hProv_ = NULL; } random_provider_base& operator= (BOOST_RV_REF(random_provider_base) that) BOOST_NOEXCEPT { destroy(); hProv_ = that.hProv_; that.hProv_ = NULL; return *this; } ~random_provider_base() BOOST_NOEXCEPT { destroy(); } //! Obtain entropy and place it into a memory location //! \param[in] buf the location to write entropy //! \param[in] siz the number of bytes to acquire void get_random_bytes(void *buf, std::size_t siz) { boost::winapi::NTSTATUS_ status = boost::winapi::BCryptGenRandom( hProv_, static_cast(buf), boost::numeric_cast(siz), 0); if (BOOST_UNLIKELY(status != 0)) { BOOST_THROW_EXCEPTION(entropy_error(status, "BCryptGenRandom")); } } private: void destroy() BOOST_NOEXCEPT { if (hProv_) { boost::ignore_unused(boost::winapi::BCryptCloseAlgorithmProvider(hProv_, 0)); } } private: boost::winapi::BCRYPT_ALG_HANDLE_ hProv_; }; } // detail } // uuids } // boost