Key derivation in .NET using HKDF

Key derivation is a process that allows you to create one or more keys from a single primary key. Rather than storing multiple individual keys that serve different purposes, it's possible to derive them as needed from a primary key. For example, to use the AES algorithm for encrypting data with HMAC authentication for a specific user, you can derive an AES key and an HMAC key from a single primary key.

In this article, we will look at using …

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