Category Archives: Uncategorized

Online Workshops in 2020

For obvious reasons, all in-person workshops have been cancelled for the time being. This is frustrating on one hand, but converting them to an online format, will allow people to attend who otherwise wouldn’t make it. The other upside is, … Continue reading

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Hardening Refresh Tokens

Refresh tokens provide a UX friendly way to give a client long-lived access to resources without having to involve the user after the initial authentication & token request. This makes them also a high-value target for attackers, because they typically … Continue reading

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2020: IdentityServer4 Roadmap

It’s the time of the year – we are working on IdentityServer and lock down the features we want to implement for the next version(s). Initially we planned to make our 3.0 release the big one – but then .NET … Continue reading

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New in IdentityServer4 v4: Multiple signing Keys

So far IdentityServer4 only supported a single signing key at a time. There are historic reasons for that. When we started with .NET Core, the only x-plat algorithm that really worked (without #ifdef hell) was RSA with SHA-256 (RS256) so … Continue reading

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IdentityServer3 and upcoming SameSite Cookie changes in Browsers

You have probably heard that starting with Chrome 80 in February, the behavior of cookies will change. This is a breaking change and effects every single web application on the internet. Microsoft has patched their supported platforms (ASP.NET, Katana 4 … Continue reading

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IdentityServer for ASP.NET Core 3

In short: is released (along with the introspection and access control validation handler). As part of the longer version, you might ask yourself how we can do that before ASP.NET Core 3 itself is released. Well – it’s a slightly complicated … Continue reading

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Releasing IdentityModel v4

IdentityModel has been growing organically over the last years, and we felt it is necessary to do some fundamental cleanup. At the same time it is used by a lot of people and companies (currently around 20 million downloads on … Continue reading

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