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About DistrRTgen

The goal of FreeRainbowTables.com is to give the worlds security experts the best tools available for detecting weak hashes. This can help them to force the developers to use more secure methods of password protection.
By distributing the generation of rainbow chains, we can generate HUGE rainbow tables that are able to crack longer passwords than ever seen before.
Furthermore, we are also improving the rainbow table technology, making them even smaller and faster than rainbow tables found elsewhere, and the best thing is, those tables are freely available to download from our site by anyone!
By installing and running the BOINC client available from http://boinc.berkeley.edu/download.php and pointing it to http://boinc.freerainbowtables.com/distrrtgen/ as the project url, you can help us to speed up the generation even more.
For more information, see www.freerainbowtables.com

Project data

All rainbow tables generated by this project is made freely available as direct download and torrents from FreeRainbowTables.com.


GPU work now flowing
First, my apologies for the overly optimistic time frame. We had to push out some client changes and handle a server side change prior to work distribution for the next 4 tables.

Also, if it was not noted before, we have CPU work flowing again as this didn't involve any client or server changes.

The GPU work units are on a faster algorithm than the mysqlsha1 and the per workunit uploads will be roughly double in size, but are likely to run for a similar length of time as the last 4 tables. Credits take into account both the algorithm and number of chains in a work unit and have been scaled along with the other parameters.
21 Sep 2013 | 17:55:04 UTC · Comment

project work
We ran out of work to hand out and are putting together what tableset to do next.

We hope to make decisions and get this pushed out within the next 24 hours or so. This next batch is planned to be mixalpha-numeric-all-space-{Nordic,German}#1-8 where the Nordic and German characters aren't fully decided. Depending on selected characters and other parameters this will result in 4 tables that should take a total of 90+ days.

Potential characters:
We won't be able to include all of those so any feedback from native speakers on which are most common is appreciated. Responses here or in the phpBB forums (https://www.freerainbowtables.com/phpBB3/viewtopic.php?f=11&t=4580) are welcomed and appreciated.
18 Sep 2013 | 21:52:05 UTC · Comment

gpu work queue and recent issues
The GPU side queue ran dry on Friday and in our haste to fill them, encountered some additional speed-bumps. Please see my post for more details. 19 Nov 2012 | 1:11:22 UTC · Comment

server outage
We had a server outage from about 2012-11-06 19:00 GMT to 2012-11-06 23:00 GMT. The primary cause was a PDU, owned and operated by the data center, going bad. There was some back and forth as the tech initially claimed the server power supply was dead (he made a few more trips to check things when I questioned the simultaneous death of the dual PSUs).

It seems to be functioning normally and is still handling a higher than normal load catching up with all the clients. Please make us aware of any issues that this may have caused.

further timeline details:
19:05: PowerBlade and I received alerts
19:18: ticket opened for remote hands given the server *and* out of band management were not reachable
19:58: call to the DC to ask what the hold up was
20:16: tech claims the power supply is dead
20:23: I fired back questioning their conclusion
20:49: briefly we regained power
20:59: request for another check of the machine
21:32: machine made available again
file system checks, db integrity checks, RAID integrity confirmation, etc., etc.
22:46: initially bringing everything back online
23:00: noticed and started 1 missed important service (upload handler)
6 Nov 2012 | 23:33:56 UTC · Comment

cuda toolkit driver upgrades
In order to focus efforts on supporting performance on newer cards we plan to cease creation and phase out the cuda23 version of distrrtgen.

In order to support cuda40 everyone must run *at least* driver version 275.33.

While the clients left with drivers older than this is the minority, it is still a fair number. However, we'd really like to get everyone running a driver that supports at least cuda42 and the driver versions are listed below.

linux >= 285.05.33
win >= 286.19

cuda42 (first kepler release):
linux >= 295.41
win >= 301.27

linux >= 304.54
win >= 306.94
28 Oct 2012 | 21:31:20 UTC · Comment

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