Programming

Client certificates in ASP.NET

One aspect of security which I find interesting is Client Certificate Authentication. It may sound a bit old school to send along a certificate with your request, with the JWT authentication methods that are in fashion for the past years. However I think it still has a valuable purpose to fulfill.

Architecture

Using the Archimate motivation layer

How often did you ask yourself during a project: “Why am I doing this again?”. You have to take a step back, zoom out of the technicalities and look at the written requirements or talk with the stakeholders of your project. Often discovering that you had made an assumption about the underlying reasons some work had to be done or in a certain way.

Programming

Distributing your API definition as a NuGet client

Creating APIs is quite simple nowadays. You can have a functional API up and running in the Azure cloud within minutes. By using an OpenAPI library like Swagger to publish your API’s definition, other systems can easily integrate and utilize its functionality. The real challenge, as with many programming aspects, lies in maintaining the software once other parties start using your API. To help your customers integrate with your API, but also to have some influence over the way the API is called. A client can be created on the maintainer side and distributed using a NuGet package.

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