Date: Sun, 8 Jul 2012 07:58:06 +0530 From: Sayantan Datta <std2048@...il.com> To: john-dev@...ts.openwall.com Subject: Re: optimized mscash2-opencl On Sun, Jul 8, 2012 at 1:32 AM, Frank Dittrich <frank_dittrich@...mail.com>wrote: > On 07/07/2012 11:48 AM, Solar Designer wrote: > > I did not check for possible false negatives. Someone will need to run > > the test suite. > > > > Also notice how we stayed within the same "bara - choedia" set of > > candidate passwords for half an hour. It'd take roughly: > > > > 262144*1090/102413 = 2790 seconds > > For the test suite, we also need to make sure the number of passwords in > the (possibly format specific) pw.dic is higher than MAX_KEYS_PER_CRYPT > (here: 262144), possibly even higher than 2*MAX_KEYS_PER_CRYPT. > Otherwise we will miss several sorts of possible bugs. > > Frank > > Changing the MAX_KEYS_PER_CRYPT to 1/2x or even 1/4x has minor impact on performance. Performance decrease is less than 1% and 2% for 1/2 and 1/4th MAX_KEYS_PER_CRYPT respectively. Sayantan Content of type "text/html" skipped
Powered by blists - more mailing lists
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.