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Post [desc] Author Forum Replies Views Posted
    Thread: cr WPA2 how realistic with wordlists ?
Post: cr WPA2 how realistic with wordlists ?

Hello. As I undersand, brutefrocing WPA even with several GPU's is not really a good idea.. How many percents of the attemps to crack WPA with wordlists are normally successful? Any feedbac...
john99 General Talk 4 9,704 11-17-2012, 11:00 AM
    Thread: Does HC treat Infiniband-connected servers as a single machine?
Post: Does HC treat Infiniband-connected servers as a si...

Hello, In c't 3/2013 there is written something about 5 Infiniband-connected servers each with 5 AMD GPU :-) Even I will never be able to afford such equipment, I would like to know: Does Hashca...
john99 Hardware 3 8,383 03-18-2013, 03:53 PM
    Thread: GPU comparison (passwords per second)
Post: GPU comparison (passwords per second)

Hello Is there any actual passwords-per-second-comparison-list available? Thank you in advance for any help! John
john99 Hardware 4 12,876 05-27-2014, 07:21 PM
    Thread: GPU recommendation for the IBM System x iDataPlex dx360 M4
Post: GPU recommendation for the IBM System x iDataPlex ...

Hello Our university is going to build a HPC-cluster with some IBM System x iDataPlex dx360 M4. :-) Unfortunately instead of AMD GPU's they are probably going to order the Intel Xeon Phi 5110P when...
john99 Hardware 6 15,894 06-10-2013, 07:16 PM
    Thread: how to calculate possible Bitcoin-Mining revenue
Post: how to calculate possible Bitcoin-Mining revenue

Hello. I am wondering if it would be a good idea to use a Tyan server (e.g. a FT77A) with 4 GPU for mining Bitcoins (I am not sure if the FT77 can be populted with 8 of the newest/most powerful A...
john99 Hardware 1 4,955 10-16-2014, 06:22 PM
    Thread: Intel Fermi-support in hashcat
Post: Intel Fermi-support in hashcat

Hello Intel Fermi seems to become more popular on large HPC-sites (probably also because of the moderate cooling requirements?) Are there plans to integrate Fermi-support into hashcat? Thank ...
john99 Hardware 3 7,519 04-29-2014, 06:43 PM
    Thread: Is 4way handshake the problem?
Post: Is 4way handshake the problem?

Hello.. The 4way handshake was captured with SpoonWPA. # wpaclean # aircrack-ng -J BT5r2: PivilegeEscalation > PasswordAttack > OfflineAtt > Hascat-gui > hashcat-gui32.bin (enter) (...
john99 Old hashcat Support 5 14,759 11-15-2012, 08:49 PM
    Thread: is Atom's Wordlist available?
Post: is Atom's Wordlist available?

Hello, in the magazine c't 3-2013 it's written that Atom is using a relatively small wordlist (110'000'000 words) :-) I could imaginge that such a personal wordlist is a very personal thing and ...
john99 General Talk 1 6,170 03-26-2013, 09:33 PM
    Thread: only 4x7990 per Tyan B7015F77V4R ?
Post: only 4x7990 per Tyan B7015F77V4R ?

Hello in an earlier post, 4x7990 are recommended per 1 Tyan B7015F77V4R. Is the 7990 larger than other GPUs, because it seems this Tyan server does support 8x7970? Thank's a lot for any fee...
john99 Hardware 10 21,542 05-30-2013, 07:39 PM
    Thread: performance of VLC/IB cluster vs multiple GPUs in one machine
Post: performance of VLC/IB cluster vs multiple GPUs in ...

Hello Is the performance of a VLC/IB cluster similar compared against a one machine konfiguration (with the same number of GPU's ) Thank's a lot or any feedback! John
john99 Hardware 1 4,780 09-02-2013, 06:56 PM
    Thread: RAM requirements VCL cluster vs Tyan B7015F77V4R
Post: RAM requirements VCL cluster vs Tyan B7015F77V4R

Hello, I am not yet sure whether to go for an VCL/IB-cluster or for a Tyan B7015F77V4R... - What amount of RAM does an VCL/IB-cluster like? - What amount of RAM does an a Tyan B7015F77V4R wit...
john99 Hardware 1 4,599 05-28-2013, 06:29 PM
    Thread: GPU recommendation for the IBM System x iDataPlex dx360 M4
Post: RE: GPU recommendation for the IBM System x iDataP...

epixoip Wrote: (06-11-2013, 08:23 AM) -- I can't confirm with this specific chassis, but most of these GPU server chassis do not support high-power cards, and only support cards with a TDP lower than...
john99 Hardware 6 15,894 06-18-2013, 06:24 PM
    Thread: GPU recommendation for the IBM System x iDataPlex dx360 M4
Post: RE: GPU recommendation for the IBM System x iDataP...

epixoip Wrote: (06-11-2013, 08:23 AM) -- I can't confirm with this specific chassis, but most of these GPU server chassis do not support high-power cards, and only support cards with a TDP lower than...
john99 Hardware 6 15,894 04-02-2014, 06:27 PM
    Thread: GPU recommendation for the IBM System x iDataPlex dx360 M4
Post: RE: GPU recommendation for the IBM System x iDataP...

epixoip Wrote: (04-03-2014, 12:26 AM) -- i do not know of any 1U or 2U systems that will work with Radeon GPUs. we've experimented with a few different models out there, and they're all designed for ...
john99 Hardware 6 15,894 04-16-2014, 06:46 PM
    Thread: Intel Fermi-support in hashcat
Post: RE: Intel Fermi-support in hashcat

atom Wrote: (04-29-2014, 06:46 PM) -- what is intel fermi? i only know nvidia fermi and this already works -- Sorry for the mistake, I meant Intel Xeon Phi ... John
john99 Hardware 3 7,519 05-13-2014, 06:41 PM
    Thread: Is 4way handshake the problem?
Post: RE: Is 4way handshake the problem?

atom Wrote: (11-16-2012, 09:21 PM) -- Sounds like he did not select the WPA algorihm -- Thank's for the help! Yes I selected the tab "hashcat" in hashcat-gui which does not support WPA.. . Neve...
john99 Old hashcat Support 5 14,759 11-19-2012, 07:59 PM
    Thread: Is 4way handshake the problem?
Post: RE: Is 4way handshake the problem?

atom Wrote: (11-20-2012, 10:48 AM) -- john99 Wrote: (11-19-2012, 07:59 PM) -- ./cudaHashcat-plus32bin: error while loading shared libraries. libcuda.so.1: cannot open shared object file: No such fil...
john99 Old hashcat Support 5 14,759 11-22-2012, 07:02 PM
    Thread: Speed of Hascat vs Pyrit
Post: RE: Speed of Hascat vs Pyrit

Thank's a lot for the feedback! Does that mean, hashcat-plus is even faster than Pyrit with its precomputed tables??? Thank you! John
john99 General Help 10 49,678 11-07-2012, 07:25 PM
    Thread: Speed of Hascat vs Pyrit
Post: RE: Speed of Hascat vs Pyrit

forumhero Wrote: (11-03-2012, 05:29 PM) -- pyrit cannot scale well. for example on 4xhd5970 -- Does pyrit not scale well, because for every GPU a CPU is required (that is at least my understanding...
john99 General Help 10 49,678 11-17-2012, 11:03 AM
    Thread: Team Hashcats 8-GPUs rackserver
Post: RE: Team Hashcats 8-GPUs rackserver

epixoip Wrote: (03-15-2013, 05:40 PM) -- Tyan B7015F77V4R -- Thank's a lot for the promt feedback epixoip! What is the manufacturer of the used 7970-GPUs (e.g. ASUS, POWERCOLOR, SAPPHIRE, XFX)? ...
john99 Hardware 3 8,571 03-19-2013, 07:50 PM