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MD5 Collision Generation
http://www.stachliu.com/md5coll.c - Faster implementat ...
http://pub1.positivenetworks.net/~dispensa/md5coll.zip ...
Old (Wang, et al.) average run time on IBM P690 superc ...
New average run time on P4 1.6ghz PC - 45

Stach & Liu
http://www.stachliu.com.nyud.net:8090/collisions.html

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MD5 Collision Generation
http://www.stachliu.com/md5coll.c - Faster implementation of techniques in How to Break MD5 and Other Hash Functions, by Xiaoyun Wang, et al.
http://pub1.positivenetworks.net/~dispensa/md5coll.zip Win32 binary and source port - Thanks to Steve Dispensa
Old (Wang, et al.) average run time on IBM P690 supercomputer - 1 hour
New average run time on P4 1.6ghz PC - 45 minutes