HMAC generator

Sign a message with a secret key using HMAC-SHA256 or HMAC-SHA512.

How this page is different

HMAC generator stays on one job: compute an HMAC without uploading the key

Do this on the page

Enter the input, run the tool, and copy the result with the input you used.

What this page will not decide for you

The result is a measurement. Compare it with a second method before you rely on it.

A concrete example

Example: compute an HMAC without uploading the key Then save the link so someone else can repeat the same input.

Where to go next

Use a sibling RookVPN tool only when the next job is different.

If you only remember one thing

compute an HMAC without uploading the key