new Client
            {
                ClientName = "Silicon on behalf of Carbon Client",
                ClientId = "carbon",
                Enabled = true,
                AccessTokenType = AccessTokenType.Jwt,

                Flow = Flows.ResourceOwner,

                ClientSecrets = new List<Secret>
                {
                    new Secret("secret".Sha256())
                },

                AllowedScopes = new List<string>
                {
                    "api1", "offline_access"
                }
            }

public void Configuration(IAppBuilder app)
    {
        var factory = new IdentityServerServiceFactory()
                    .UseInMemoryUsers(Users.Get())
                    .UseInMemoryClients(Clients.Get())
                    .UseInMemoryScopes(Scopes.Get());

        var options = new IdentityServerOptions
        {
            SigningCertificate = Certificate.Load(),
            Factory = factory,
            RequireSsl = false
        };

        app.Map("/core", idsrvApp =>
        {
            idsrvApp.UseIdentityServer(options);
        });
    }