98 lines
3.2 KiB
C#
98 lines
3.2 KiB
C#
using System;
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using System.Management;
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using System.Security.Cryptography;
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using System.Text;
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namespace WpfApp.Utils
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{
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/// <summary>
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/// 硬件信息工具类，用于获取主板和CPU序列号
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/// </summary>
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public static class HardwareInfo
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{
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/// <summary>
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/// 获取主板序列号
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/// </summary>
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/// <returns>主板序列号</returns>
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public static string GetMotherboardSerialNumber()
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{
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try
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{
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using (var searcher = new ManagementObjectSearcher("SELECT SerialNumber FROM Win32_BaseBoard"))
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{
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foreach (var obj in searcher.Get())
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{
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return obj["SerialNumber"].ToString().Trim();
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}
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine($"获取主板序列号时出错: {ex.Message}");
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}
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return string.Empty;
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}
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/// <summary>
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/// 获取CPU序列号
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/// </summary>
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/// <returns>CPU序列号</returns>
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public static string GetCpuSerialNumber()
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{
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try
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{
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using (var searcher = new ManagementObjectSearcher("SELECT ProcessorId FROM Win32_Processor"))
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{
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foreach (var obj in searcher.Get())
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{
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return obj["ProcessorId"].ToString().Trim();
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}
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine($"获取CPU序列号时出错: {ex.Message}");
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}
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return string.Empty;
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}
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/// <summary>
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/// 获取硬件标识（主板序列号和CPU序列号的组合哈希值）
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/// </summary>
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/// <returns>硬件标识哈希值</returns>
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public static string GetHardwareId()
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{
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string motherboardSn = GetMotherboardSerialNumber();
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string cpuSn = GetCpuSerialNumber();
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string combined = $"{motherboardSn}|{cpuSn}";
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// 计算组合值的SHA256哈希
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using (SHA256 sha256 = SHA256.Create())
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{
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byte[] hashBytes = sha256.ComputeHash(Encoding.UTF8.GetBytes(combined));
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StringBuilder builder = new StringBuilder();
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for (int i = 0; i < hashBytes.Length; i++)
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{
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builder.Append(hashBytes[i].ToString("x2"));
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}
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return builder.ToString();
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}
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}
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/// <summary>
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/// 验证硬件标识是否匹配
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/// </summary>
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/// <param name="storedHardwareId">存储的硬件标识</param>
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/// <returns>如果匹配返回true，否则返回false</returns>
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public static bool ValidateHardwareId(string storedHardwareId)
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{
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if (string.IsNullOrEmpty(storedHardwareId))
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{
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return false;
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}
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string currentHardwareId = GetHardwareId();
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return string.Equals(currentHardwareId, storedHardwareId, StringComparison.OrdinalIgnoreCase);
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}
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}
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} |