Date: Sun, 14 Oct 2012 21:18:19 +0530 From: Dhiru Kholia <dhiru.kholia@...il.com> To: john-dev@...ts.openwall.com Subject: Re: Performance with SSE2 support with WPA-PSK and openCL error On Sun, Oct 14, 2012 at 5:35 PM, [Jano] <jano@...oweb.net> wrote: > - I tested john-1.7.9-jumbo-7 and it seems the SSE2 cpu implementation > (using openSSL) not working properly. > > - JTR using only one CPU at 100% and then the k/s are very slow. Compile JtR with OpenMP enabled to use all cores. diff --git a/src/Makefile b/src/Makefile -#OMPFLAGS = -fopenmp -msse2 +OMPFLAGS = -fopenmp -msse2 > Tested on Aspire ONE --> processor Atom N570: > jano:~/test/john-1.7.9-jumbo-7/run$ ./john --test -fo=wpapsk > Benchmarking: WPA-PSK PBKDF2-HMAC-SHA-1 [32/32]... DONE > Raw: 97.0 c/s real, 97.0 c/s virtual > > jano:~$ aircrack-ng -S > 555 k/s On my triple-core system, aircrack-ng is 2.2x faster than JtR (both using all cores). Lukas, Can we borrow PMK calculation code from aircrack-ng since they are using SSE2 implementation of SHA1? -- Cheers, Dhiru
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