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MD5 and SHA-1 weaknesses
editThis article should document the issues, raised last summer and sharpened last month, with MD5 and some other widely used hash functions. I'm putting a note that the algorithm has issues on this page and the MD5 page. If anyone wants to document this properly, look at:
- CRYPTO2004 Rump Session Presentations, was Re: A collision in MD5' by Jim Hughes, who is also cited in Tech Republic calling for MD5 to be phased out;
- SHA-1 broken and Cryptanalysis of MD5 and SHA: Time for a New Standardby Bruce Schneier;
- SHA hash functions already documents the issues with the SHA algorithms.
(I won't write this up properly: not my field and I have very limited interest in the topic) ---- Charles Stewart 15:20, 14 Mar 2005 (UTC)
- I confused this page with Cryptographic hash function: sorry, no issue ---- Charles Stewart 15:26, 14 Mar 2005 (UTC)
Hash table searches
editRelevant article in Quanta Magazine: https://www.quantamagazine.org/undergraduate-upends-a-40-year-old-data-science-conjecture-20250210/ Concerns refutation of a 40-yr old conjecture on worst case etc.Billymac00 (talk) 15:43, 11 February 2025 (UTC)
Dubious
editThe cited formula for a Chi-squared test seems to be plain wrong, see https://stats.stackexchange.com/a/532701/119748 MüllerMarcus (talk) 10:43, 22 March 2026 (UTC)