phc-discussions - Re: [PHC] Testing Password Hashing functions

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Message-ID: <3579.1365158896@critter.freebsd.dk>
Date: Fri, 05 Apr 2013 10:48:16 +0000
From: "Poul-Henning Kamp" <phk@....freebsd.dk>
To: discussions@...sword-hashing.net, Yann Droneaud <ydroneaud@...eya.com>
Subject: Re: [PHC] Testing Password Hashing functions

In message <1365158596.26812.18.camel@...t.quest-ce.net>, Yann Droneaud writes:

>For hashing functions, especially cryptographic hashing functions,
>what are the tools to test them ?

A good starting point is to treat it as a PRNG:  A hash function
whould have the exact same mathematical properties as a PRNG, with
the single addition that the same input always produces the same
output.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@...eBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.