Simon Willison’s Weblog

Schneier on Security: SHA-1 Broken. Whoa.

Posted 16th February 2005 at 4:47 am

Recent articles

Vibe scraping and vibe coding a schedule app for Open Sauce 2025 entirely on my phone - 17th July 2025
Happy 20th birthday Django! Here's my talk on Django Origins from Django's 10th - 13th July 2025
Grok: searching X for "from:elonmusk (Israel OR Palestine OR Hamas OR Gaza)" - 11th July 2025

bruce-schneier 30 hashing 12 security 529 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