macOS_hash_id.cpp

/**
 * Copyright (c) 2026 Bivex
 *
 * Author: Bivex
 * Available for contact via email: support@b-b.top
 * For up-to-date contact information:
 * https://github.com/bivex
 *
 * Created: 2026-01-13 07:21
 * Last Updated: 2026-01-13 07:27
 *
 * Licensed under the MIT License.
 * Commercial licensing available upon request.
 */

#include <iostream>
#include <string>
#include <iomanip>
#include <CommonCrypto/CommonDigest.h>
#include <sys/sysctl.h>
#include <cstring>
#include <cstdio>

int main() {
    char uuid[256] = {0};
    size_t len = sizeof(uuid);
    sysctlbyname("hw.uuid", uuid, &len, NULL, 0);
    
    char serial[256] = {0};
    len = sizeof(serial);
    sysctlbyname("hw.serialno", serial, &len, NULL, 0);
    
    char model[256] = {0};
    len = sizeof(model);
    sysctlbyname("hw.model", model, &len, NULL, 0);
    
    char data[1024];
    strcpy(data, uuid);
    strcat(data, serial);
    strcat(data, model);
    
    unsigned char hash[CC_SHA256_DIGEST_LENGTH];
    CC_SHA256((unsigned char*)data, strlen(data), hash);
    
    char hex[65];
    for(int i = 0; i < CC_SHA256_DIGEST_LENGTH; i++) {
        snprintf(hex + 2 * i, 3, "%02x", hash[i]);
    }
    hex[64] = '\0';
    
    std::cout << hex << std::endl;
    
    return 0;
}