del.icio.us links for 2005-03-11

• Schneier on Security: More Hash Function Attacks: Here's a pair of valid X.509 certificates that have identical signatures. The hash function used is MD5. And here's a paper demonstrating a technique for finding MD5 collisions quickly: eight hours on 1.6 GHz computer. (certificate cryptography md5 schneier security x.509)
• XML.com: XML on the Web Has Failed (Mark Pilgrim): Miserably, utterly, completely. Multiple specifications and circumstances conspire to force 90% of the world into publishing XML as ASCII. (http rant rss unicode xml)