Date: Thu, 6 Jun 2013 01:58:19 +0200 From: Lukas Odzioba <lukas.odzioba@...il.com> To: john-dev@...ts.openwall.com Subject: [pdf] Parallelizing MD5 on Intel Architectures <quote> In the case of ”John the Ripper”  by which our implementation was inspired, sourcecode is available for review. On the Xeon machine used (see ﬁgure 1) John reaches about 7.3 million MD5 iterations per second in a single thread, whereas our 64 bit implementation reaches 33.4 million iterations per second. However, there are some differences which might aﬀect performance, because John the Ripper builds its passwords by a more complicated grammar using dictionaries. An earlier unpublished implementation by the authors of this paper using OpenSSL performed around 0.8 million iterations per second. </quote> source: http://wwwcip.cs.fau.de/~spjsschl/md5.pdf Source code is not available, we do not know what Xeon was tested, but Is there something that we could make use of? Lukas
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