Single Sign Asp.Net Core Server

Server.cs

using Microsoft.AspNetCore;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Server.HttpSys;


namespace Api
{
    public class Program
    {
        public static void Main(string[] args)
        {

                new WebHostBuilder()
                .UseUrls("http://localhost:56000")
                .Configure(app =>
                {
                    app.Run(async (context) =>
                    {
                        //Encrypt NTLM identity and redirect the application
                        context.Response.Redirect($"http://localhost:55960/#identity={context.User.Identity.Name}");
                    });
                })
                .UseHttpSys(options =>
                {
                    options.Authentication.Schemes =
                        AuthenticationSchemes.NTLM | AuthenticationSchemes.Negotiate;
                    options.Authentication.AllowAnonymous = false;
                })
                .Build().StartAsync();


            BuildWebHost(args)
                .MigrateDbContext<DbContext>(context =>
                {
                    context.ApplySeed();
                }).ProvisionApplication()
                .Run();
        }

        public static IWebHost BuildWebHost(string[] args) =>
            WebHost.CreateDefaultBuilder(args)
                .UseStartup<Startup>()
                .Build();
    }
}

Hi, i want to use saml code for asp.net core. i need post user to login url, then comeback user to me. Also i have certifacate. I want just one class. Other examples are very complex. too many folders, too many codes. I dont need them. Can you help me pls

if you found solution please share with me i face what you faced @saltanaa