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POTM October '10 => RC5-72
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LanDroid
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PostPosted: Fri Oct 01, 2010 3:40 pm    Post subject: POTM October '10 => RC5-72 Reply with quote

Due to shenanigans after the polls had closed, a tie breaker vote made RC5-72 the Project Of The Month.

RC5-72 is attempting to break encryption on a 72 bit key. 56 and 64 bit keys have previously been solved, but this one is much more difficult.

Project home page:
http://www.distributed.net/RC5/en

There is $10K in prize money involved, which will be distributed as described here:
http://stats.distributed.net/misc/money.php?project_id=8

John Galt 007 provided the following info in the voting thread. Please feel free to add to it, I think this project will require more tech advice than usual...

John Galt 007 wrote:
http://http.distributed.net/pub/dcti/current-client/dnetc-win32-x86-stream.zip for the ATI RC5-72

http://http.distributed.net/pub/dcti/current-client/dnetc-win32-x86-cuda22.zip for the CUDA RC5-72

These were found here: http://www.distributed.net/Download_clients

Run the client to set up an account, and after you finish 1 workunit, flush your work and quit the client.

After your stats show up, usually after 1 day, join the kNIghts team, found here: http://stats.distributed.net/team/tmsummary.php?project_id=8&team=3706
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Idan
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PostPosted: Fri Oct 01, 2010 3:49 pm    Post subject: Reply with quote

There's money involved? count me in! free $1000 here I come! #ni-1
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Queezy
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PostPosted: Fri Oct 01, 2010 3:55 pm    Post subject: Reply with quote

I've got the cpu crunching away, not sure if i have the best settings but its running.
but how can I get it to use my gpu as well? ATI HD5870 if that matters
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Gemjunkie
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PostPosted: Fri Oct 01, 2010 4:30 pm    Post subject: Reply with quote

See the separate downloads for the GPU clients above. They all run as portable applications, you can run them right from a flash drive.


Idan wrote:
There's money involved? count me in! free $1000 here I come!

Would pay for ~3-4 months of electricity the computers use. Rolling Eyes

#ni-1
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Killerrabbit
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PostPosted: Fri Oct 01, 2010 5:30 pm    Post subject: Reply with quote

I have downloaded this client but only gotten ogr work. How do I make it only get RC5 work?

Ni
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Queezy
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PostPosted: Fri Oct 01, 2010 5:41 pm    Post subject: Reply with quote

In the settings menu, that you have to go through with 1-9 keys there are options for which projects you receive and in what order it checks for them..it comes default to check for og first, but you can change it to not get them at all tho. I will try to find where I did it so i can explain that where it makes more sense.

**Go to Client> Configure>2) Buffer and Buffer Update Options> 9) Load-work precedence> (it explains it on this screen also) then change your settings to have RC5-72 first, or simply put "=0" after OGR-NG

That's all i've really figured out in the settings so far. Anyone see a way to set it to only use a certain amount of the cpu? not a huge concern but I dont have my new cpu cooler in yet so Im watching it closely
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Gemjunkie
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PostPosted: Fri Oct 01, 2010 7:00 pm    Post subject: Reply with quote

That's right, under
Load-work precedence:

Just add "=0" after OGR-NG on the New Setting line and hit enter
Default Setting: OGR-NG,RC5-72
Current Setting: OGR-NG,RC5-72
New Setting --> OGR-NG=0,RC5-72

I don't see a setting to limit CPU use. You might want to use the screensaver so you can pause it for a few minutes every time you mouse or hit a key, or train your cat to do it.


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Queezy
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PostPosted: Fri Oct 01, 2010 8:51 pm    Post subject: Reply with quote

My new cooler is coming in tomorrow *hopefully* so I'm gonna turn my cpu off for tonight and let it cool back down. Still have my gpu pumping strong though, that 5870 has one heck of a fan =P
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Gemjunkie
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PostPosted: Fri Oct 01, 2010 10:58 pm    Post subject: Reply with quote

We moved up one place yesterday.



You're welcome!
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LanDroid
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PostPosted: Sat Oct 02, 2010 1:33 am    Post subject: Reply with quote

Amazing how difficult these things are to crack. The project has been running for 7.8 years, has checked 50.5 quintillion keys at a rate of 204 billion keys per second (1.2 trillion keys/second yesterday), but it is only 1.07% complete! (Although I still think the NSA could do it in about 12 hours. Shocked ) This is evidence for the strong security of current 128 and 256 bit encryption...

http://stats.distributed.net/projects.php?project_id=8


Last edited by LanDroid on Sat Oct 02, 2010 1:57 am; edited 2 times in total
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LanDroid
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PostPosted: Sat Oct 02, 2010 1:35 am    Post subject: Reply with quote

Starting stats:

138th Place
5,497,002 blocks overall
25,759 blocks yesterday

<= It's on!
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stooper101
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PostPosted: Sat Oct 02, 2010 1:50 am    Post subject: Reply with quote

Here's something that has been bugging me, and now that we have this project spotlighted it may be a good time to try and figure it out... The only place I can find that displays stats for this project other than itself is [url=http://stats.free-dc.org/stats.php?page=team&proj=rc572&team=Knights+Who+Say+%26quot%3BNi!%26quot%3B]Free-DC[/url]. But there becomes a problem when you try to add it to your 'stats page' and therefore add it to your signature image. The darn thing keeps getting mucked up by the quotes in our team name. I've asked Bok at Free-DC and he looked into it a little along with another one of the stats maintainers, and they were able to get it working for about a day on my account, but it was soon lost as soon as I updated something else.

So here's a possible solution (don't even know if it is possible): get our team name changed to remove the quotes. I asked the folks at distributed.net and they asked if I tried contacting our team founder 'Necroscope'. This is were I get stuck, as it seems Necroscope is no longer on our team. Anybody know of him/her? Am I making a mountain out of a molehill?
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Gemjunkie
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PostPosted: Sat Oct 02, 2010 2:48 am    Post subject: Reply with quote

Did you try the contact linky thing from the team page?

http://stats.distributed.net/team/tmsummary.php?project_id=8&team=3706

necroscop@bigfoot.com
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Yankton
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PostPosted: Sat Oct 02, 2010 9:13 am    Post subject: Reply with quote

You can't set cpu percentage for use, but if you are running a multi-core, you can tell it how many cores to use.
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LanDroid
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PostPosted: Sat Oct 02, 2010 7:43 pm    Post subject: Reply with quote

Quote:
JG 007 said: Run the client to set up an account, and after you finish 1 workunit, flush your work and quit the client.

After your stats show up, usually after 1 day, join the kNIghts team, found here: http://stats.distributed.net/team/tmsummary.php?project_id=8&team=3706

I don't get along very well with command line clients. Need super-detailed instructions on how to determine when stats show up, how to join the team, etc.... Sorry...
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LanDroid
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PostPosted: Sat Oct 02, 2010 9:52 pm    Post subject: Reply with quote

We have already moved up two places! Our production rate almost tripled to 71K yesterday, enough to put us into 13th place.
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Queezy
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PostPosted: Sat Oct 02, 2010 11:18 pm    Post subject: Reply with quote

Got my new cooler in, Full load temps are the same as my idle temps before Laughing Now to maybe look into overclocking it a little bit, until then though I'm crunching away.
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stooper101
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PostPosted: Sun Oct 03, 2010 12:10 am    Post subject: Reply with quote

Gemjunkie wrote:
Did you try the contact linky thing from the team pag

Haven't tried. Was wondering if anybody knew of this person.
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Killerrabbit
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PostPosted: Sun Oct 03, 2010 1:34 am    Post subject: Reply with quote

I have started work on cracking this silly key and get my share of the $20K.

Ni
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Grawlfang
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PostPosted: Sun Oct 03, 2010 5:10 am    Post subject: Reply with quote

Gentlemen,

This dnet team is many many years old (I'm sure I've been a member since before some wars). My guess is that the leader has long since retired that bigfoot account.

Anyhoo, I'm going to put a few cores back on this project for a while so the AMD-64/FreeBSD stats should start rising from tomorrow; not sure how many yet, will have to see how they impact performance, probably somewhere between 18-24 for now - and better still it'll not affect my boinc stats as I can use machines I'm not running boinc on.

Ni!
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