Date: Sun, 21 Aug 2011 02:16:07 -0500 From: Richard Miles <richard.k.miles@...glemail.com> To: john-users@...ts.openwall.com Subject: Re: John with Radeon graphical card supports? Hi Samuele On Fri, Aug 19, 2011 at 2:36 AM, Samuele Giovanni Tonon <samu@...uxasylum.net> wrote: > On 08/18/11 17:06, Richard Miles wrote: >> Hi, >> >> Sorry for delay in reply. >> >> If you allow me I want to do 2 suggestions for you consider on this development: >> >> - If doesn't exist, add support for multiple cards on the same >> computer, for example, someone with 2 graphical cards could have an >> enormous benefits instead of just one. > > i still have to take a deep look on how multiple cards work with opencl > however bottleneck at the moment is not about COMPUTING power but > transfer speed; for example between an 5770 and 6970 (both ati radeon) > most of the speed gain is from dma transfer. Interesting, I was not aware. > > Also when you say multiple cards are you referring to SLI (or crossfire) > or just a "put different gpu on the same motherboard" and make them work ? I was thinking in put different GPU cards on the same motherboard, I don't know if it's the best way, but appear to work, please see the link that I send on my previous e-mail on this thread. The guy created a kind of home cluster with GPU that break passwords 60 times faster... He also told that Radeon are much better for cracking in comparison with GeForce. > > Because for the first option looks like opencl is not ready enough > (at least on ati) and for the second one something could be done > "manually" with some coding (i'm thinking about nasty tricks with > clGetDeviceIDs and some shell env variable) . That's awesome. > > >> - Consider add support for WPA/WPA2 handshake. While there is other >> tools for this task they are not fast and powerful (such as rules >> option) as John. > > meanwhile have you tried pyrit and make it work with john and -stdout ? > consider that for wpa/wpa2 you'd have to modify rules section to > discard everything less than 8 chars long. Yes, I used pyrit and it's really nice, but it crash often with my GeForce card. You know, there are a lot of other cracking tools such as pyrit, Elcomsoft (very good one) and inside pro (I never used, but people say it's good) but I really like JtR, so if I could use it I will be happy. Thanks > > cheers > Samuele > >
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.