This commit is contained in:
GG Z
2026-02-12 21:28:44 +08:00
parent 785e5de36e
commit a9faf251be
14 changed files with 207 additions and 2 deletions

119
KeyGen/LicenseManager.cs Normal file
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using System.Text;
namespace KeyGen
{
internal class LicenseManager
{
// 【重要】替换为你生成的公钥
public static string PublicKey = @"<RSAKeyValue><Modulus>rd5+EjU6QxaTY/AalU9g6ugAquN0ahJSgeahnf2CrfvUAWFNJ+SH7Qr0RcvOTyAbWfvLWoBDACKaPsg+8nRQcO3EZdFyjJ9oycLNrw38+gSB2+/79Axys/8MHtSXVUw9WN2e9LxeHOQGtcaoSsp+bPGaXswthovQ2CkvBTmCokcAOX6UaR7Av4npaXyEoGCUsZLEiSydMsNbQ+wLsumVg1H2o/cpkO0s4DiJHoF66zUuxA+pYSjSCn5KTUsOemf+gBsob6Sw+7WOToyiOkMdO9Op6esf8yL7DJ1Yd40XaKd5IeLQmEX/b+n1EV2JEkGO0p9q9MQRp6NrEc9LvfMJWQ==</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>";
private static string RegPath = @$"Software\{Assembly.GetExecutingAssembly().GetName()}\License";
/// <summary>
/// 校验结果枚举
/// </summary>
public enum AuthStatus { Valid, Expired, HardwareMismatch, TimeTampered, InvalidSignature, NoLicense }
/// <summary>
/// 核心验证方法
/// </summary>
public static (AuthStatus status, string msg) Validate()
{
string licenseKey = LoadReg("Key");
if (string.IsNullOrEmpty(licenseKey)) return (AuthStatus.NoLicense, "未激活");
try
{
// 格式:签名|机器码|发码日期|过期日期
var parts = licenseKey.Split('|');
if (parts.Length != 4) return (AuthStatus.InvalidSignature, "授权格式错误");
string signature = parts[0];
string mCode = parts[1];
string issueDateStr = parts[2];
string expiryDateStr = parts[3];
// 1. 硬件校验
if (mCode != HardwareInfo.GetMachineCode())
return (AuthStatus.HardwareMismatch, "机器码不匹配,请联系管理员");
// 2. RSA 签名校验 (防止篡改日期)
string dataVerify = $"{mCode}|{issueDateStr}|{expiryDateStr}";
if (!VerifyRSA(dataVerify, signature))
return (AuthStatus.InvalidSignature, "非法授权 (签名无效)");
// 3. 时间逻辑校验
DateTime issueDate = DateTime.ParseExact(issueDateStr, "yyyyMMdd", null);
DateTime expiryDate = DateTime.ParseExact(expiryDateStr, "yyyyMMdd", null);
DateTime now = TimeHelper.GetTrustedTime(); // 获取可信时间
// 3.1 检查是否早于发码日期 (防极度回滚)
if (now < issueDate)
return (AuthStatus.TimeTampered, "系统时间异常:早于授权发码时间");
// 3.2 检查上次运行记录 T (防短期回滚)
long lastRunTicks = 0;
long.TryParse(LoadReg("T"), out lastRunTicks);
if (lastRunTicks > 0)
{
DateTime lastRun = new DateTime(lastRunTicks);
// 允许1小时的误差
if (now < lastRun.AddHours(-1))
return (AuthStatus.TimeTampered, "系统时间异常:检测到时间倒流");
}
// 3.3 检查过期
if (now.Date > expiryDate.Date)
return (AuthStatus.Expired, $"授权已于 {expiryDate:yyyy-MM-dd} 到期");
// --- 验证通过 ---
SaveReg("T", now.Ticks.ToString()); // 更新痕迹
return (AuthStatus.Valid, $"授权有效,到期时间为{expiryDate:yyyy-MM-dd}");
}
catch
{
return (AuthStatus.InvalidSignature, "授权解析异常");
}
}
// 保存激活码
public static void Activate(string keyInput)
{
SaveReg("Key", keyInput);
}
// RSA 验签辅助
private static bool VerifyRSA(string data, string signature)
{
try
{
using (var rsa = new RSACryptoServiceProvider())
{
rsa.FromXmlString(PublicKey);
var formatter = new RSAPKCS1SignatureDeformatter(rsa);
formatter.SetHashAlgorithm("SHA256");
byte[] dataBytes = Encoding.UTF8.GetBytes(data);
byte[] signBytes = Convert.FromBase64String(signature);
using (var sha = SHA256.Create())
{
return formatter.VerifySignature(sha.ComputeHash(dataBytes), signBytes);
}
}
}
catch { return false; }
}
#region
private static void SaveReg(string key, string val)
{
using (var r = Registry.CurrentUser.CreateSubKey(RegPath)) r.SetValue(key, val);
}
private static string LoadReg(string key)
{
using (var r = Registry.CurrentUser.OpenSubKey(RegPath)) return r?.GetValue(key)?.ToString();
}
public static void RemoveLicense()
{
using (var r = Registry.CurrentUser.OpenSubKey(RegPath, true)) r?.DeleteValue("Key", false);
}
#endregion
}
}

46
KeyGen/TimeHelper.cs Normal file
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using System.Windows.Shapes;
namespace KeyGen
{
internal static class TimeHelper
{
public static DateTime GetTrustedTime()
{
// 1. 尝试网络时间 (3秒超时)
try
{
var request = WebRequest.Create("http://www.baidu.com"); // 或 microsoft.com
request.Method = "HEAD";
request.Timeout = 3000;
using (var response = request.GetResponse())
{
string dateStr = response.Headers["Date"];
if (DateTime.TryParseExact(dateStr, "ddd, dd MMM yyyy HH:mm:ss 'GMT'",
CultureInfo.InvariantCulture, DateTimeStyles.AssumeUniversal, out DateTime netTime))
return netTime.ToLocalTime();
}
}
catch { }
// 2. 尝试文件系统痕迹校验 (防断网改时间)
DateTime localNow = DateTime.Now;
try
{
// 获取系统目录和临时目录的最后修改时间
DateTime t1 = new DirectoryInfo(Environment.SystemDirectory).LastWriteTime;
DateTime t2 = new DirectoryInfo(Path.GetTempPath()).LastWriteTime;
DateTime latestFileTime = t1 > t2 ? t1 : t2;
// 如果本地时间比系统文件时间还要早超过24小时判定为作弊
if (localNow < latestFileTime.AddHours(-24))
{
return latestFileTime; // 强制使用文件时间
}
}
catch { }
// 3. 兜底
return localNow;
}
}
}

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@@ -3,7 +3,7 @@
Title="DaVinci Resolve drfx 字体替换"
Width="1000"
mc:Ignorable="d"
x:Class="DrfxFontFixer.MainWindow"
x:Class="ShrlAlgoStudio.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

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@@ -16,7 +16,7 @@ using System.Windows.Media;
using Microsoft.Win32;
using Newtonsoft.Json;
namespace DrfxFontFixer
namespace ShrlAlgoStudio
{
public class FullMapping : INotifyPropertyChanged
{

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<Window x:Class="ShrlAlgoStudio.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:local="clr-namespace:ShrlAlgoStudio"
mc:Ignorable="d"
Title="MainWindow" Height="450" Width="800">
<Grid>
</Grid>
</Window>

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using System.Windows;
namespace ShrlAlgoStudio
{
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
}
}

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net8.0-windows</TargetFramework>
<OutputType>WinExe</OutputType>
<LangVersion>13.0</LangVersion>
<UseWPF>true</UseWPF>
<ImportWindowsDesktopTargets>true</ImportWindowsDesktopTargets>
<Platforms>AnyCPU;x64</Platforms>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\NeoUI\Melskin\Melskin.csproj" />
</ItemGroup>
</Project>