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Date: Sun, 17 Jun 2012 01:32:06 +0200
From: Tavis Ormandy <taviso@...xchg8b.com>
To: john-dev@...ts.openwall.com
Subject: Re: Re: [patch] optional new raw sha1 implemetation

On Sun, Jun 17, 2012 at 01:28:46AM +0200, magnum wrote:
> On 2012-06-17 01:25, Tavis Ormandy wrote:
> >Regarding switching memrchr to strrchr, I dont think this is correct,
> >they are strings on input, but I store them in a format that can be
> >converted to SHA-1 input very quickly and there is no guarantee there
> >is a nul byte at the end.
> 
> Yes but we search for 0x80 and this *will* be present. I see no
> problem, and it works just fine.
> 
> magnum

It searches *backwards* for 0x80, I think you might be thinking of
strchr.

Tavis.

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