using Flurl;

using Flurl.Http;

using Microsoft.IdentityModel.Tokens;

using System;

using System.Collections.Generic;

using System.IdentityModel.Tokens.Jwt;

using System.Security.Claims;

using System.Text;

using System.Threading.Tasks;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(GenerateToken());

    }

    public static string GenerateToken()

    {

        var tokenHandler = new JwtSecurityTokenHandler();

        var byteKey = Encoding.ASCII.GetBytes("alterar");

        var tokenDescriptor = new SecurityTokenDescriptor

        {

            Subject = new ClaimsIdentity(new Claim[]

            {

                new Claim(ClaimTypes.Name, "Handel")

            }),

            SigningCredentials = new SigningCredentials(new SymmetricSecurityKey(byteKey), SecurityAlgorithms.HmacSha256Signature)

        };

        var token = tokenHandler.CreateToken(tokenDescriptor);

        return tokenHandler.WriteToken(token);

    }

}