Monthly Archives: October 2019

Securing a Web API using multiple token servers

This article shows how a single secure Web API could be used together with multiple secure token servers. The API uses JWT Bearer token authentication, but because the access token come from different token servers, the tokens validation need to be changed. Code: https://github.com/damienbod/ApiJwtWithTwoSts Using multiple Authorities with shared certitficate The first way this can […]

Adding FIDO2 Passwordless authentication to an ASP.NET Core Identity App

This article shows how FIDO2 WebAuthn could be used for a passwordless sign in integrated into an ASP.NET Core Identity application. The FIDO2 WebAuthn is implemented using the fido2-net-lib Nuget package, and demo code created by Anders Åberg. The application is implemented using ASP.NET Core 3.0 with Identity. For information about FIDO2 and WebAuthn, please […]

Securing an ASP.NET Core Razor Page App using OpenID Connect Code flow with PKCE

This article shows how to secure an ASP.NET Core Razor Page application using the Open ID Connect code flow with PKCE (Proof Key for Code Exchange). The secure token server is implemented using IdentityServer4 but any STS could be used which supports PKCE. Code: https://github.com/damienbod/AspNetCoreHybridFlowWithApi An ASP.NET Core 3.0 Razor Page application without identity was […]

Building and securing an ASP.NET Core API with a hosted Vue.js UI

This article shows how Vue.js can be used together with ASP.NET Core 3 in a single project. The Vue.js application is built using the Vue.js CLI and built to the wwwroot of the ASP.NET Core application. The ASP.NET Core application is used to implement the APIs consumed by the Vue.js UI. The application is secured […]