c#如何实现程序加密隐藏

internal class EntryPointDiscoverer
{
    public static MethodInfo FindStaticEntryMethod(Assembly assembly, string? entryPointFullTypeName = null)
    {
        var candidates = new List<MethodInfo>();
        if (!string.IsNullOrWhiteSpace(entryPointFullTypeName))
        {
            var typeInfo = assembly.GetType(entryPointFullTypeName, false, false)?.GetTypeInfo();
            if (typeInfo == null)
            {
                throw new InvalidProgramException($"Could not find '{entryPointFullTypeName}' specified for Main method. See <StartupObject> project property.");
            }
            FindMainMethodCandidates(typeInfo, candidates);
        }
        else
        {
            foreach (var type in assembly
                         .DefinedTypes
                         .Where(t => t.IsClass)
                         .Where(t => t.GetCustomAttribute<CompilerGeneratedAttribute>() is null))
            {
                FindMainMethodCandidates(type, candidates);
            }
        }
        string MainMethodFullName()
        {
            return string.IsNullOrWhiteSpace(entryPointFullTypeName) ? "Main" : $"{entryPointFullTypeName}.Main";
        }
        if (candidates.Count > 1)
        {
            throw new AmbiguousMatchException(
                $"Ambiguous entry point. Found multiple static functions named '{MainMethodFullName()}'. Could not identify which method is the main entry point for this function.");
        }
        if (candidates.Count == 0)
        {
            throw new InvalidProgramException(
                $"Could not find a static entry point '{MainMethodFullName()}'.");
        }
        return candidates[0];
    }
    private static void FindMainMethodCandidates(TypeInfo type, List<MethodInfo> candidates)
    {
        foreach (var method in type
                     .GetMethods(BindingFlags.Static |
                                 BindingFlags.Public |
                                 BindingFlags.NonPublic)
                     .Where(m =>
                         string.Equals("Main", m.Name, StringComparison.OrdinalIgnoreCase)))
        {
            if (method.ReturnType == typeof(void)
                || method.ReturnType == typeof(int)
                || method.ReturnType == typeof(Task)
                || method.ReturnType == typeof(Task<int>))
            {
                candidates.Add(method);
            }
        }
    }
}

// 用于打包指定程序。
SaveDb(@"E:\Project\LiteDB-Application\LiteDB.Service\bin\Release\net7.0\publish");
// 打开db
var db = new LiteDatabase("Launch.db");
// 打开表。
var files = db.GetCollection<FileAssembly>("files");
// 接管未找到的程序集处理
AppDomain.CurrentDomain.AssemblyResolve += (sender, eventArgs) =>
{
    try
    {
        var name = eventArgs.Name.Split(",")[0];
        if (!name.EndsWith(".dll"))
        {
            name += ".dll";
        }
        var file = files.FindOne(x => x.Name == name);
        return file != null ? Assembly.Load(file.Bytes) : default;
    }
    catch (Exception)
    {
        return default;
    }
};
// 启动程序。
StartServer("LiteDB.Service", new string[] { });
Console.ReadKey();
void StartServer(string assemblyName, string[] args)
{
    var value = files!.FindOne(x => x.Name == assemblyName + ".dll");
    var assembly = Assembly.Load(value!.Bytes);
    var entryPoint = EntryPointDiscoverer.FindStaticEntryMethod(assembly);
    try
    {
        var parameters = entryPoint.GetParameters();
        if (parameters.Length != 0)
        {
            var parameterValues = parameters.Select(p =>
                    p.ParameterType.IsValueType ? Activator.CreateInstance(p.ParameterType) : null)
                .ToArray();
            entryPoint.Invoke(null, parameterValues);
        }
        else
        {
            entryPoint.Invoke(null, null);
        }
    }
    catch (Exception e)
    {
    }
}
// 扫描指定目录下所有文件和子目录，保存到LiteDB数据库中。
void SaveDb(string path)
{
    var files = ScanDirectory(path);
    using var db = new LiteDatabase("Launch.db");
    var col = db.GetCollection<FileAssembly>("files");
    col.InsertBulk(files);
}
// 实现一个方法，扫描指定目录下所有文件和子目录，返回一个集合。
List<FileAssembly> ScanDirectory(string path)
{
    var files = new List<FileAssembly>();
    var dir = new DirectoryInfo(path);
    var fileInfos = dir.GetFiles("*", SearchOption.AllDirectories);
    foreach (var fileInfo in fileInfos)
    {
        var file = new FileAssembly
        {
            Name = fileInfo.Name,
            Bytes = File.ReadAllBytes(fileInfo.FullName)
        };
        files.Add(file);
    }
    return files;
}
class FileAssembly
{
    /// <summary>
    /// 文件名
    /// </summary>
    public string Name { get; set; }
    /// <summary>
    /// 文件的内容
    /// </summary>
    public byte[] Bytes { get; set; }
}

<Project Sdk="Microsoft.NET.Sdk.Web">
    <PropertyGroup>
        <OutputType>Exe</OutputType>
        <TargetFramework>net7.0</TargetFramework>
        <ImplicitUsings>enable</ImplicitUsings>
        <Nullable>enable</Nullable>
    </PropertyGroup>
    <ItemGroup>
      <PackageReference Include="LiteDB" Version="5.0.17" />
    </ItemGroup>
</Project>