Hacking Exposed Wireless by Johnny Cache & Vincent Liu

Author:Johnny Cache & Vincent Liu [Cache, Johnny]
Language: eng
Format: mobi
Published: 0101-01-01T00:00:00+00:00

Other

than

hardware

acceleration,

the

pico-client

behaves just like the normal client.

The jc-wepcrackd server gets to

remain happily unaware that it has

hardware-accelerated clients doing

its bidding.

Using Your PS3 to Crack WEP Keys

HD Moore recently contributed a

client for jc-wepcrack optimized

for running on the Cell Broadband

Engine (CBE) CPU. The most likely

place to find this processor is in

your Playstation 3.

The cell processor is unique

because it bundles a handful of

vector processing units (called

Synergistic Processing Units , or

SPUs in Sony marketing speak)

with the processor. The way the

CBE client works on your PS3 is by

checking out six keyspace chunks

from the server and running them in

parallel on the SPUs. By doing this,

you

can

try

WEP

keys

approximately ten times as fast you

could on an unaccelerated software-

only client.

In order to run the CBE client on

your PS3, you will first need to get

Linux installed. Development was

done on the gentoo port, but the

code is not tightly tied to one

particular distribution. You’ll also

need the spu-elf cross-compiling

tools and the SDK (at least, libspe,

libspe2) from IBM. Once you have

completed that, you can compile

and run the cbe-client just like any

other jc-wepcrack client. The cbe-

client is included inside the clients’

directory in jc-wepcrack.

Brute-forcing

WEP

Keys

on

a

Windows Machine

Currently, there are no known WEP

Download

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