Simon Willison’s Weblog

Schneier on Security: Cryptanalysis of SHA-1. If you want to understand the “breaking” of SHA-1, this is the place to go. Surprisingly accessible.

Posted 19th February 2005 at 3:12 pm

Recent articles

Claude can write complete Datasette plugins now - 8th October 2025
Vibe engineering - 7th October 2025
OpenAI DevDay 2025 live blog - 6th October 2025

bruce-schneier 31 cryptanalysis 1 hashing 12 security 551 sha 2

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe