看板FB_security
標 題Re: Report of collision-generation with MD5
發信站NCTU CSIE FreeBSD Server (Thu Aug 19 07:33:00 2004)
轉信站ptt!FreeBSD.csie.NCTU!not-for-mail
At 02:54 PM 8/18/2004, Chris Doherty wrote:
>what you can do, if you have a proper attack formula, is find *a* message
>that produces *that one hash*. that is, if I have message M which produces
>hash H, I can use the attack to find *a* message M' which will also
>produce hash H.
The thing is, passwords are short and have limited entropy. Chances are,
if you find a password that produces the same hash, it's M.
--Brett
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