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File indexing completed on 2025-01-18 09:53:31
0001 // 0002 // Copyright (c) 2017 James E. King III 0003 // 0004 // Distributed under the Boost Software License, Version 1.0. 0005 // (See accompanying file LICENSE_1_0.txt or copy at 0006 // https://www.boost.org/LICENSE_1_0.txt) 0007 // 0008 // "A Replacement Call for Random" 0009 // https://man.openbsd.org/arc4random.3 0010 // 0011 0012 #include <cstddef> 0013 #include <stdlib.h> 0014 0015 namespace boost { 0016 namespace uuids { 0017 namespace detail { 0018 0019 class random_provider_base 0020 { 0021 public: 0022 //! Obtain entropy and place it into a memory location 0023 //! \param[in] buf the location to write entropy 0024 //! \param[in] siz the number of bytes to acquire 0025 void get_random_bytes(void *buf, std::size_t siz) 0026 { 0027 arc4random_buf(buf, siz); 0028 } 0029 }; 0030 0031 } // detail 0032 } // uuids 0033 } // boost
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