[RC5] RSA decryption

richard L. King Jr. richardking57 at hotmail.com
Sun Mar 4 13:10:49 EST 2001

you misunderstand me. they are not trying random keys.
they are trying random formulas. there is a difference.
you write a formula that inputs P, Q, IV, and CT. then
outputs key. you try it on several examples. if it succeds,
then you have a general solution for unknown keys.

but so far this has not happened.

i can gaurantee that the math hobbiests will find the
solution to the rsa 128 bit contest billions of years befor
dnet does. thats why such work is important. sequential
key cracking has definate speed and energy restraints.

>From: "Andreas D. Landmark" <andreas.landmark at noxtension.com>
>Reply-To: rc5 at lists.distributed.net
>To: rc5 at lists.distributed.net
>Subject: Re: [RC5] RSA decryption
>Date: Sat, 03 Mar 2001 20:26:25 +0000
>At 03.03.2001 19:53, you wrote:
>>i imagine several lay people world wide
>>are randomly creating formulas and trying
>>them against public keys and/or the rc5 contest.
>>it is concievable tha someone could succeed eventually.
>Well the distributed.net effort is _very_ likely to succeed because of
>the exhaustive testing that is going on as I'm writing this. This means
>in simple terms that the clients affiliated with distributed.net and the
>rc5 project is trying out every possible combination to try to decrypt
>the rc5 encrypted data we are trying to decrypt.
>But as you mention several people are probably trying out random
>keys/solutions, but looking at the possible keys to try
>(you could say combinations=keys), and the fact that only yesterday
>distributed.net tried over 160 million of them without success (afaik ;-).
>The possibility of finding _the_ key without divine intervention is in
>one word... microscopical...
>My guess is that distributed.net would be the one to find the key,
>when is hard to say, but looking at the competition we're lightyears
>Andreas D. Landmark / noXtension
>PGP ID:0xB2BEAE80 / 4096bits
>Fingerprint:654B 3BCD 1130 9B3A 08BB  AB1A BF72 841D B2BE AE80
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