Finding Collisions in the Full SHA-1
Gaetano Zappulla <[email protected]> Fri, 19 Aug 2005 17:49:43 +0200
| Newsgroups | gmane.comp.security.italian.crypto |
|---|---|
| Message-ID | <[email protected]> |
http://www.theregister.co.uk/2005/08/19/sha-1_attack/ Crypto researchers have discovered a new, much faster, attack against the widely-used SHA-1 hashing algorithm. Xiaoyun Wang, one of the team of Chinese cryptographers that demonstrated earlier attacks against SHA-0 and SHA-1, along with Andrew Yao and Frances Yao, have discovered a way to produce a collision in SHA-1 over just 263 hash operations compared to 269 hash operations previously. A brute force attack should take 280 operations. Vi rimando al pdf: http://www.infosec.sdu.edu.cn/paper/sha1-crypto-auth-new-2-yao.pdf Gaetano -- Gaetano Zappulla http://www.linux.it/~gaetano/ mail : echo "d^bq^kl=pfhrobww^+lod" | perl -pe 's/(.)/chr(ord($1)+3)/ge' ________________________________________________________ http://www.sikurezza.org - Italian Security Mailing List