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My new book ASP.NET Core in Action, Third Edition is available now! It supports .NET 7.0, and is available as an eBook or paperback.

Migrating passwords in ASP.NET Core Identity with a custom PasswordHasher
In this post I create a custom IPasswordHasher<> implementation that can be used in ASP.NET Core Identity to support other hashing formats, such as BCrypt.…

Exploring the ASP.NET Core Identity PasswordHasher
In this post I take a look at the PasswordHasher<> implementation from the ASP.NET Core Identity framework, and how it supports multiple hashing algorithms.…

Debugging JWT validation problems between an OWIN app and IdentityServer4
This post describes an issue that arose migrating from IdentityServer3 to IdentityServer4, where an OWIN app cannot validate a JWT issued by IdentityServer4…

Creating and trusting a self-signed certificate on Linux for use in Kestrel and ASP.NET Core
In this post I show how to create a self-signed certificate on Linux. I show how you can trust the certificate, and how to configure Kestrel to use it.…

Using anonymous types and tuples to attach correlation IDs to scope state with Serilog and Seq in ASP.NET Core
In this post I describe two extension methods that make logging scopes as key-value pairs nicer in ASP.NET Core, by using anonymous types and tuples.…

Creating an extension method for attaching key-value pairs to scope state using ASP.NET Core
In this post I describe a small extension method that makes logging scopes as key-value pairs in ASP.NET Core with Serilog and Seq a little nicer.…

