SHA-1 broken
February 22, 2005
Read about it here:
http://www.schneier.com/blog/archives/2005/02/sha1_broken.html
http://www.schneier.com/blog/archives/2005/02/cryptanalysis_o.html
For some background on hashes see: http://www.unixwiz.net/techtips/iguide-crypto-hashes.html