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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