{{tag>[hardware security crack hash password]}}
~~NOTOC~~
{{::hashcrack.resized.jpg?direct&640|}}
=====6 GPU advanced password recovery=====

====Hardware====
  * Motherboard: MSI Z77A-GD65
  * CPU: Intel Core i3-3250, 3.5GHz
  * GPU: 6x Sapphire DUAL-X R9 280X 3GB GDDR5 OC
  * Memory: 8GB DDR3 1600MHz
  * Storage: 60 GB SSD
  * PSU: 2x 1000watt
  * [[http://www.add2psu.com/|add2psu]]
  * PCI-e riser cables
====Install and configure OS====
  * I've had some problems with AMD drivers on Linux, so i've used Windows 8.1 instead. 
  * Install the OS with one (or max 3) GPU's.
  * Add all other GPU's.
  * Install the latest AMD drivers, 14.4, using this mod: [[https://litecointalk.org/index.php?topic=11761.0]]
    * {{:14-4mod-v3.pdf|Readme}}
    * {{::14_4_mod_v3.7z|Mod files}}
  * Install a better terminal emulator for Windows [[https://code.google.com/p/conemu-maximus5/]]

====oclHashcat====
  * Download oclHashcat
  * Unzip oclHashcat
  * Download some wordlists

  * SHA512 example using only lower case and decimal characters.<code>Session.Name...: oclHashcat
Status.........: Running
Input.Mode.....: Mask (?1?1?1?1?1?1?1?1) [8]
Hash.Target....:
Hash.Type......: sha512crypt, SHA512(Unix)
Time.Started...: Fri Jun 06 23:53:59 2014 (6 mins, 53 secs)
Time.Estimated.: Wed Aug 31 06:56:21 2016 (2 years, 86 days)
Speed.GPU.#1...:     6773 H/s
Speed.GPU.#2...:     6865 H/s
Speed.GPU.#3...:     6867 H/s
Speed.GPU.#4...:     6896 H/s
Speed.GPU.#5...:     6909 H/s
Speed.GPU.#6...:     6776 H/s
Speed.GPU.#*...:    41085 H/s
Recovered......: 0/1 (0.00%) Digests, 0/1 (0.00%) Salts
Progress.......: 16814080/2821109907456 (0.00%)
Skipped........: 0/16814080 (0.00%)
Rejected.......: 0/16814080 (0.00%)
HWMon.GPU.#1...: 91% Util, 56c Temp, 50% Fan
HWMon.GPU.#2...: 91% Util, 58c Temp, 51% Fan
HWMon.GPU.#3...: 91% Util, 58c Temp, 40% Fan
HWMon.GPU.#4...: 91% Util, 58c Temp, 40% Fan
HWMon.GPU.#5...: 91% Util, 52c Temp, 34% Fan
HWMon.GPU.#6...: 91% Util, 58c Temp, 39% Fan

[s]tatus [p]ause [r]esume [b]ypass [q]uit =>
</code>