MD5 proposal
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mc
m.candanpolat at chello.nl
Fri Mar 29 20:20:37 CET 2002
----- Original Message ----- From: "Poul-Henning Kamp" <phk at critter.freebsd.dk> To: "Andrei Robachevsky" <andrei at ripe.net> Cc: "Olafur Osvaldsson" <oli at isnic.is>; <db-wg at ripe.net> Sent: Wednesday, March 27, 2002 6:03 PM Subject: Re: MD5 proposal > In message <3CA1F83A.80802 at ripe.net>, Andrei Robachevsky writes: > > >My main concern here would be that basing the proposed method on an > >implementation (md5-crypt), which may change or may be mixed with some > >other implementation, rather than on the documented algorithm (md5 > >hash), which cannot, may cause confusion in the future. > > The implementation will not change, it would screw all cisco router > enable passwords and most FreeBSD passwords. > > >And, as a side question from a person far from cryptography, is it a > >proved fact that iterative complexity of md5-crypt makes the hash better? > > It makes dictionary attacks harder and more timeconsuming, it also > makes it harder to do hardware implementations because you need > many times more hardware. > > -- > Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 > phk at FreeBSD.ORG | TCP/IP since RFC 956 > FreeBSD committer | BSD since 4.3-tahoe > Never attribute to malice what can adequately be explained by incompetence. >
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