using System;

using System.Collections.Generic;

using System.IdentityModel.Tokens.Jwt;

using System.Linq;

using System.Security.Claims;

using System.Text;

using Microsoft.IdentityModel.Tokens;

​

public class Program

{

    public static void Main()

    {

    var tokenHandler = new JwtSecurityTokenHandler();

        var now = DateTime.UtcNow;

​

        var tokenDescriptor = new SecurityTokenDescriptor

        {

            Subject = new ClaimsIdentity(new[]

            {

                new Claim( ClaimTypes.Name, "1")

                }),

                    Expires = DateTime.UtcNow.AddDays(7),

​

            SigningCredentials = new SigningCredentials(new SymmetricSecurityKey(Encoding.ASCII.GetBytes("secretlhfIH&FY*#oysuflkhskjfhefesf")), SecurityAlgorithms.HmacSha256Signature),

        };      

        var token = tokenHandler.CreateToken(tokenDescriptor);

        var tokenString = tokenHandler.WriteToken(token);

        Console.WriteLine(tokenString);

    }

}

​

​