.NET JWT token generation

program.cs

using Microsoft.IdentityModel.Tokens;
using System;
using System.IdentityModel.Tokens.Jwt;
using System.Security.Claims;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string secret = "thisismyjwtsecret";

            byte[] key = Encoding.UTF8.GetBytes(secret);
            SymmetricSecurityKey securityKey = new SymmetricSecurityKey(key);
            SecurityTokenDescriptor descriptor = new SecurityTokenDescriptor
            {
                Subject = new ClaimsIdentity(new[] {
                      new Claim(ClaimTypes.Name, "pippo")}),
                Expires = DateTime.UtcNow.AddMinutes(30),
                SigningCredentials = new SigningCredentials(securityKey,
                SecurityAlgorithms.HmacSha256Signature)
            };

            JwtSecurityTokenHandler handler = new JwtSecurityTokenHandler();
            JwtSecurityToken token = handler.CreateJwtSecurityToken(descriptor);
            string tokenString = handler.WriteToken(token);
            Console.WriteLine(tokenString);
            }
    }
}