1 #pragma once 2 3 #include "logging.hpp" 4 5 #include <limits> 6 #include <string> 7 8 namespace bmcweb 9 { 10 11 struct OpenSSLGenerator 12 { 13 uint8_t operator()(); 14 maxbmcweb::OpenSSLGenerator15 static constexpr uint8_t max() 16 { 17 return std::numeric_limits<uint8_t>::max(); 18 } minbmcweb::OpenSSLGenerator19 static constexpr uint8_t min() 20 { 21 return std::numeric_limits<uint8_t>::min(); 22 } 23 errorbmcweb::OpenSSLGenerator24 bool error() const 25 { 26 return err; 27 } 28 29 // all generators require this variable 30 using result_type = uint8_t; 31 32 private: 33 // RAND_bytes() returns 1 on success, 0 otherwise. -1 if bad function 34 static constexpr int opensslSuccess = 1; 35 bool err = false; 36 }; 37 38 std::string getRandomUUID(); 39 40 std::string getRandomIdOfLength(size_t length); 41 42 } // namespace bmcweb 43