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Message-ID: <CALapUyFPf8u78t5cM_D9E48sCyPvdM9tOFSy8p3as+SiMOS3zQ@mail.gmail.com>
Date: Sun, 15 Apr 2012 00:59:51 +0530
From: Deepika Dutta Mishra <dipikadutta@...il.com>
To: john-users@...ts.openwall.com
Subject: statistics -openssl vs john
Hi, I was doing speed test between openssl des and john des. I get
following statistics for openssl
type 16 bytes 64 bytes 256 bytes 1024 bytes 8192
bytes
des cbc 100225.76k 89521.76k 89778.20k 95060.70k
96158.84k
and for john
Benchmarking: Traditional DES [32/32 BS]... DONE
Many salts: 434566 c/s real, 997527 c/s virtual
Only one salt: 426208 c/s real, 568277 c/s virtual
Benchmarking: LM DES [32/32 BS]... DONE
Raw: 9306K c/s real, 12086K c/s virtual
Now considering openssl, it can process 100225.76 x 1000 = 100225760
bytes/sec which should account to 100225760 /8 = 12528220 encryptions/sec
(since DES block size is 8 bytes)
With john, considering LM DES (which according to what I read does 2 DES
encryption), the result is 9306 x 1000 = 9306000 x 2 = 18612000
encryption/sec
This provided 1.48 times speedup with john des (non sse or other
optimizations). Am I right in my calculation?
Deepika
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