MD5 collisions found - alternative?

[Robert Trebula <r0b0@deepblue.sk>]

Hi,

Maybe you have already noticed - collisions have been found in MD5 
hashing algorithm:

http://eprint.iacr.org/2004/199.pdf
http://www.freedom-to-tinker.com/archives/000664.html
http://www.unixwiz.net/techtips/iguide-crypto-hashes.html

My question is: Is there an easy way to make my debian sid installation 
use something else (better) than md5 for various things? Namely SHA-1 
with some longer output in PAM.

Thanks,
Robert
--
http://deepblue.sk/~r0b0/web/
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