c++ 获取机器码

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看到网上代码代码都没什么好的，自己备用一个

#include <iostream>
#include <string>
#include <sstream>
#include <iomanip>
#include <Windows.h>
#include <iphlpapi.h> // 包含这个头文件以获取 PIP_ADAPTER_INFO
#include <intrin.h> // 包含这个头文件以使用 __cpuid#pragma comment(lib, "IPHLPAPI.lib") // 链接到IPHLPAPI.lib库// Function to get CPU serial number
std::string GetCPUSerialNumber() {std::string result;int cpuInfo[4] = { -1 };__cpuid(cpuInfo, 1);unsigned int lowPart = cpuInfo[3];unsigned int highPart = cpuInfo[0];std::stringstream stream;stream << std::hex << highPart << std::hex << lowPart;result = stream.str();return result;
}// Function to get hard disk serial number
std::string GetHardDiskSerialNumber() {std::string result;DWORD dwVolumeSerialNumber;GetVolumeInformationA("C:\\", NULL, 0, &dwVolumeSerialNumber, NULL, NULL, NULL, 0);std::stringstream stream;stream << std::hex << std::setw(8) << std::setfill('0') << dwVolumeSerialNumber;result = stream.str();return result;
}// Function to get MAC address of the first network adapter
std::string GetMACAddress() {std::string result;PIP_ADAPTER_INFO pAdapterInfo;ULONG ulOutBufLen = sizeof(PIP_ADAPTER_INFO);pAdapterInfo = (IP_ADAPTER_INFO*)malloc(sizeof(IP_ADAPTER_INFO));if (pAdapterInfo != NULL) {if (GetAdaptersInfo(pAdapterInfo, &ulOutBufLen) == ERROR_BUFFER_OVERFLOW) {free(pAdapterInfo);pAdapterInfo = (IP_ADAPTER_INFO*)malloc(ulOutBufLen);}if (GetAdaptersInfo(pAdapterInfo, &ulOutBufLen) == NO_ERROR) {result = pAdapterInfo->Address[0];}free(pAdapterInfo);}return result;
}// Function to generate unique machine ID
std::string GenerateMachineID() {std::string cpuSerial = GetCPUSerialNumber();std::string diskSerial = GetHardDiskSerialNumber();std::string macAddress = GetMACAddress();std::string machineID = cpuSerial + diskSerial + macAddress;return machineID;
}int main() {std::string machineID = GenerateMachineID();std::cout << "Machine ID: " << machineID << std::endl;return 0;
}

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