Date: Wed, 17 Jul 2013 22:02:37 +0530 From: Sayantan Datta <std2048@...il.com> To: john-dev@...ts.openwall.com Subject: md5 hash comparisons Hi Alexander, How many bits or bytes are necessary to uniquely identify md5 hash ? I know 4 bytes aren't enough and causes many false positives to pass through. Although 8 bytes seems to be enough but I'm not sure. Also how many hashes are loaded simultaneously for cracking ? I expect 1000 - 2000 , is that assumption enough ? Depending upon the the number of bytes required for comparisons I might be able to increase the loaded hash count. Will it produce any false positives if I chose 0, 4, 8, 12 th bytes only for hash comparisons. Regards, Sayantan Content of type "text/html" skipped
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