Simon Willison’s Weblog

24th January 2010 - Link Blog

Don't Hash Secrets. A well written explanation from 2008 of why you must use hmac instead of raw SHA-1 when hashing against a secret.

Posted 24th January 2010 at 1:30 pm

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Anthropic's Project Glasswing - restricting Claude Mythos to security researchers - sounds necessary to me - 7th April 2026
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This is a link post by Simon Willison, posted on 24th January 2010.

cryptography 24 hmac 2 security 595 sha1 4 signing 6

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