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Correct me if I am wrong but.....

P

Pyro

Banned
isnt RC5-64 a bit useless?

I am no Dcomputing or cryptography 'guru' or anything, but my understanding of the challenge goes something like this

there is an message encrypted using a 64bit key that d.net is trying to crack by brute force (ie, using every single possible combination)

Now, there are a finite number of keys, namely 2^64 or 1.844674407371e+19. Now, by having a rate of 141 470 000 000 keys per second it would take 130393327728 seconds or 4135 years to solve the encryption. Now, knowing all that, why would you continue to crack? from the recent TA article, it seems that OGR is a much more useful job for your spare cycles.


Even if you wanted to crack stuff, why not take up a REAL challenge and try and crack 128bit encryption? Now that will take you 2.405332345522e+27 seconds or 76 Exa Years!!! That is 76 272 588 328 310 000 000 years!!! Long time...
 
Hi Pyro! Interesting nickname you have chosen. 🙂 Makes me think of the Descent series of tunnel-shooter games, among other things. I think we don't need to worry too much if RC5-64 is useless or not... we're establishing that distributed computing is something that can be done in the public sector. 🙂
 
well then, quit asking questions and join TA OGR!

dont waste a single more CPU cycle and get to work! as long as its for TA



<< The purpose in life, is to find the purpose of finding the purpose in life >>


oh, you must be the new guy in the Department of Redundancy Department 😉
 
Hi Pyro, I agree with your opinion, as do many others, yet, I do RC5, as do others. I'm not going to get into it, because you already posted something that got MANY responses (some would say you were trolling then, but I'm not one to judge) here.

I hope you're not trying to start another &quot;flame thread&quot; because the last one seemed kinda like it, and this one sounds like it almost could be another. Not a personal attack, I'm just saying that others might not take kindly to dissing a project.

I hope you join us in one of the projects, be it Gamma flux (another non-seti, non RC5 project), or OGR, or any other project!

Paul
 
Doh ... Dennis beat me by &quot;that&quot; much

Pyro - To post one troll, Mr Pyro, maybe regarded as a misfortune; to post two looks like carelessness.
(Apologies to Oscar)

Change the subject and act a little friendlier. We are all great friends in here and we never wish that to change.
 
Correct me if I am wrong but.....
isn't cutting down another project a bit useless?

This reminds me of negative political campaign ads.

If you can't say something nice......
 
Hehe. If that's the case, they should chose better. I have chunks in my stool that would be more effective.
 
no no no. Last Week I got flamed, this was supposed to be a little more neutral. RC5 being a hobby and a 'sport' are the best explanations I got.


This time I did some math and wondered if any of you were aware of it...


and NO, I am not a spy from <insert TA enemy here>

As soon as I get a nice palomino DDR system (around march) I will Join OGR for TA, but I dont think my opinion of RC5 will ever change...
 


<< isnt RC5-64 a bit useless? >>

So is pickin your nose, but you do it anyway.

You should change you handle to &quot;Fishbait&quot;, because your acting like a worm.
 
Pyro,

<<As soon as I get a nice palomino DDR system (around march) I will Join OGR for TA, but I dont think my opinion of RC5 will ever change..>>

We'd really like for you to crunch OGR for TA...heck, you can start now with whatever you're typing on, no need to wait for the DDR batouttahell...

But, you prolly shouldn't rattle the cages of some of us rc5 loons so much...heck, crunching rc5 is a condition of my parole...keeps me out of the warez and porn sites.

 


<< Hehe. If that's the case, they should chose better. I have chunks in my stool that would be more effective. >>



😀 LOL that's hilarious!
 
I didn't get more that half way through the beginning message when I KNEW I'd seen this same thread before from the SAME person, and dennilfloss got a chance to post it before I did.

So what's the question again?!? I should think that if for no other reason than for the chance to get credit for cracking the code and getting name recognition for Anandtech and our team should be reason enough. The people that are involved are doing so willingly and having fun at the same time.. what's wrong with that? We've already addressed the &quot;current&quot; short-comings of the stats with the Folding project, so what's up now? 😕


 


<< I dont think my opinion of RC5 will ever change... >>


WTF are you asking then ? Do your DC thing and that's it. We can't convince you, why are you wasting our time ?
 
RC5: There are 2^64 keys in the sample space and we are checking them one by one.

OGR: Similar to RC5, the difference is that we may not know the size of the sample space and aren't planning to exhaust the whole space. We just need find a result better than we had.

Prime95: We are trying prime candidates one by one, to see if they are the larger primers. Sort like RC5 and OGR, the difference is the infinity of sample space(the group of the prime candidates), we always can find something larger.

SETI: It's more ambitious than Prime95. From the infinite time, frequency channels and directions, we pick up some signal clips by random and try to find some evidence leading to the the existence of ET.

Since all things can be done with &quot;enough time&quot; and computation power in theory, they are all &quot;brute force&quot; computation. That's the way of our current computers working. 🙂
 
C'mon people. I thought his post was neutral and asked a simple question.

Is trying to crack the RC5-64 key useless? Well many would say yes, given the facts that you pointed out. But the idea isn't so much to crack it as it is to 1)point out that 64 bit encryption is practical and strong enough and that 2)the distributed computing model works.

Taken in that light, it is a perfectly sane project to undertake. However, it would make someone wonder why we continue to do it given that the we have established/met the 2 primary goals. ;-)

So, if you feel that RC5-64 is a waste of time (you are certainly entitled to that opinion, as well as being able to voice it here), then put your time/effort into a more &quot;fruitful&quot; endeavor.

As for trolling, people are so intolerant of others. If you see a troll for a troll, then don't bite. Simple.
 
>>This time I did some math and wondered if any of you were aware of it...


Well, do the math again on the RC5-64, and divide your answer by 1000. 🙂
 
Jaraxal,
We would be much more tolerant if this was his very first post on the subject, check out the thread mentioned earlier and see that there was some lengthy discussion about this very topic.

This time we can assume he is just being inflamatory. (=troll). and yes, that is what the . signifies, here is a troll and we chose to ingore the post.

Pyro,

---> .
 
Ray - I checked out the other thread. Maybe I'm more laid back than others, but I didn't see the thread to be so inflammatory. But hey, to each his own.

I was just pointing out that I see many people flame/slam/rag on others in these forums as well as other forums for being flammers or trolls. I simply choose to ignore them. No biggie really. My comments were geared for those that chose to do other than &quot;.&quot;.

 
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