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Date: Sun, 11 Sep 2005 22:07:06 +0400
From: Solar Designer <>
Subject: Re: 2 Qs on john1.6 (stable)

On Sat, Sep 10, 2005 at 11:53:11AM +0200, Christian Karpp wrote:
> Solar Designer wrote:
> >You might get around this by reducing the compiler's optimization level
> >(e.g., replace the -O2 with -O1) for all or for some source files (you
> >can compile DES_std.c into DES_std.o invoking cc manually).
> Good hint. Unfortunately I have to skip optimization completely under 
> AIX 5.3 for BSDI DES (x725), Kerberos AFS DES and NT LM DES in order for 
> the benchmark not to fail. The results however are dramatically lower 
> than with optimization - on all tests. Pity.

Well, perhaps you can complain to xlC developers?

> BTW, I've used john-1.6.38 this time...

With that version, NT LM DES shouldn't be failing anymore even when
DES_std.c is miscompiled.

Alexander Peslyak <solar at>
GPG key ID: B35D3598  fp: 6429 0D7E F130 C13E C929  6447 73C3 A290 B35D 3598 - bringing security into open computing environments

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