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Date: Wed, 21 Nov 2012 20:52:24 +0100
From: groszek <necro@...icon.pl>
To: john-users@...ts.openwall.com
Subject: Re: What do you recommend as a laptop cracking station?
 :)

On 11/21/2012 06:37 PM, Richard Miles wrote:
> Hi
> 
> I'm considering buying a new laptop and I want to do a decision based on
> specs to crack passwords, in other words, I need a real animal to crack
> passwords, I now that laptops are not as powerful as desktops, but I hope
> to find something really good.
> 
> I looked at AllienWare and Macbook PRO and I got a bit frustrated. I don't
> know if it exist, but I was looking for a laptop with at least 8 cores and
> at least one AMD 7970GPU. Do you have any recommendation? Or suggestion of
> better configuration for a laptop being used as a password cracking
> station? :)
> (...)

Basically you look at gaming laptops and read the specs of the nvidia
card it has ;)

While laptop is not a perfect choice for cracking passwords, if you need
new laptop I totally understand why you want a tool that can be used
*when really needed* to crack passwords. I'm on the same boat, and just
two weeks ago got myself lenovo y580. Pretty cheap beast with i7-3610QM
and nvidia gtx 660m. If you're interrested, little test:

John the Ripper password cracker, ver: 1.7.9-jumbo-7 [linux-x86-64-cuda]

Benchmarking: M$ Cache Hash MD4 [32/64]... DONE
Many salts:     20956K c/s real, 20956K c/s virtual
Only one salt:  8502K c/s real, 8502K c/s virtual

Benchmarking: M$ Cache Hash MD4 [CUDA (inefficient, development use
only)]... DONE
Many salts:     17762K c/s real, 17941K c/s virtual
Only one salt:  15042K c/s real, 14893K c/s virtual

Benchmarking: M$ Cache Hash 2 (DCC2) PBKDF2-HMAC-SHA-1 [CUDA]... DONE
Raw:    4517 c/s real, 4517 c/s virtual

Benchmarking: M$ Cache Hash 2 (DCC2) PBKDF2-HMAC-SHA-1 [128/128 AVX
intrinsics 8x]... DONE
Raw:    1088 c/s real, 1077 c/s virtual

Benchmarking: MS SQL SHA-1 [128/128 AVX intrinsics 8x]... DONE
Many salts:     20010K c/s real, 20212K c/s virtual
Only one salt:  7922K c/s real, 7922K c/s virtual

Benchmarking: NTLMv2 C/R MD4 HMAC-MD5 [32/64]... DONE
Many salts:     940544 c/s real, 940544 c/s virtual
Only one salt:  766976 c/s real, 766976 c/s virtual

I think it's totally acceptable for everyday cracking ... or it will
tell you laptop isn't good after all ;)

This laptop is what I really recommend, great quality, decent price and
beast of a power. If you need a benchmark of any other particular hash
let me know.

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