Basic Symmetric

CreateToken.cs

        public IEnumerable<string> Get()
        {
            var user = Thread.CurrentPrincipal.Identity as WindowsIdentity;

            // Define const Key this should be private secret key  stored in some safe place
            // This is a meaningles key of course
            string key = "401b09eab3c013d4ca54922bb802bec8fd5318192b0a75f201d8b3727429090fb337591abd3e44453b954555b7a0812e1081c39b740293f765eae731f5a65ed1";

            // Create Security key  using private key above:
            // not that latest version of JWT using Microsoft namespace instead of System
            var securityKey = new Microsoft.IdentityModel.Tokens.SymmetricSecurityKey(Encoding.UTF8.GetBytes(key));

            // Also note that securityKey length should be >256b
            // so you have to make sure that your private key has a proper length
            //
            var credentials = new Microsoft.IdentityModel.Tokens.SigningCredentials(securityKey, SecurityAlgorithms.HmacSha256);

            //  Finally create a Token
            var header = new JwtHeader(credentials);

            //Some PayLoad that contain information about the  customer
            var payload = new JwtPayload
           {
               { "greeting ", "hello "},
               { "scope", "http://winnieluk.com/"},
               { "Claims", new ArrayList{"sweet", "pretty" } },
               {"sub", "me" }
           };


            var secToken = new JwtSecurityToken(header, payload);
            var handler = new JwtSecurityTokenHandler();

            // Token to String so you can use it ,in your client
            var tokenString = handler.WriteToken(secToken);


            var payloadr = handler.ReadJwtToken(tokenString);

            Console.WriteLine(tokenString);
            Console.WriteLine("Consume Token");


            return new string[] { "value1", user.Name, tokenString,payloadr.Claims.Take(3).First().ToString(), key, payloadr.Payload.First().Value.ToString() };
        }