---
title: "Calculate HMAC-SHA256"
description: "Authenticate a message with a shared demonstration key and SHA-256."
---

> Documentation Index
> Fetch the complete documentation index at: https://help.serialize.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Calculate HMAC-SHA256

import RecipeDoc from "../../../../components/RecipeDoc.astro";

Source: https://help.serialize.dev/recipes/security-analysis/hmac-sha256/index.mdx