Date: Wed, 4 Apr 2012 02:50:57 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: Cracking Office 2007 files with JtR! On Mon, Apr 02, 2012 at 09:04:52PM +0530, Dhiru Kholia wrote: > Performance on Atom(TM) CPU N270, > > $ ../run/john -format=office -t > Benchmarking: Office [32/32]... DONE > Raw: 30.3 c/s real, 30.3 c/s virtual On one core in FX-8120 (presumably at 4.5 GHz): Benchmarking: Office [32/64]... DONE Raw: 136 c/s real, 136 c/s virtual Indeed, making use of our SIMD implementation of SHA-1 will speed this up a lot. > (Slightly better than RAR's performance). Yes, except for the lack of OpenMP. AES-NI engine not available Benchmarking: RAR3 [32/64]... (8xOMP) DONE Raw: 403 c/s real, 50.6 c/s virtual (The CPU has AES-NI, but apparently the installed OpenSSL does not.) Dhiru, I think the code that you have in office_fmt_plug.c: set_salt() should be in get_salt() instead. This won't significantly affect performance since the extra-slow stuff is elsewhere anyway, though. Alexander
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