Estimating Logarithms(obrhubr.org)
85 points by surprisetalk | 21 comments
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How RC2's π table was made(khalidhamadeh.com)
5 points by KhalidH | 1 comments
A research note reconstructing how the 256-byte PITABLE in Ron Rivest's RC2 cipher key schedule was derived from π, using a card shuffle with π's digits as dice.
The other Markov's inequality(ethanepperly.com)
46 points by tzury | 4 comments
Solving Fizz Buzz with Cosines(susam.net)
167 points by hprotagonist | 50 comments
Related stories
Using LLMs to trace alchemical knowledge and decode 17th century letters(resobscura.substack.com)
160 points by benbreen | 38 comments
A Res Obscura Substack post by historian Benjamin Breen arguing AI labs should fund historical research, with examples of using frontier LLMs to trace alchemy and decode 17th-century letters.
Cryptographers solve decades-old privacy problem(nautil.us)
324 points by Brajeshwar | 124 comments
Nautilus article by Madison Goldberg on cryptographers' advance toward fully private database lookups and internet searches (private information retrieval).
There is no epidemic of loneliness, but there is an epidemic of scurvy(experimental-history.com)
59 points by luu | 31 comments
An Experimental History Substack essay by Adam Mastroianni arguing there is no loneliness epidemic but there is an epidemic of scurvy.
Encrypting private data and private communications is now an ethical duty(blog.tripu.info)
416 points by gasull | 200 comments
A personal blog essay arguing that end-to-end encrypting private data and communications has become an ethical duty, using a glass-walls analogy.
Reverse engineering a $1B Legal AI tool exposed 100k+ confidential files(alexschapiro.com)
752 points by bearsyankees | 258 comments
A blog post describing how the author found an unauthenticated API flaw in Filevine's legal AI tool exposing 100k+ confidential files, with a disclosure timeline.
Claude Code can debug low-level cryptography(words.filippo.io)
446 points by Bogdanp | 199 comments
Filippo Valsorda's blog post on using Claude Code to debug his new Go implementation of the ML-DSA post-quantum signature algorithm.