[rc5] The unknown message is...
nugget at slacker.com
Wed Oct 22 17:14:52 EDT 1997
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It is a great privilege and we are excited to announce that at 13:25
GMT on 19-Oct-1997, we found the correct solution for RSA Labs RC5-
32/12/7 56-bit secret-key challenge. Confirmed by RSA Labs, the key
0x532B744CC20999 presented us with the plaintext message for which we
have been searching these past 250 days.
The unknown message is: Its time to move to a longer key length
In undeniably the largest distributed-computing effort ever, the
Bovine RC5 Cooperative (http://www.distributed.net/), under the
leadership of distributed.net, managed to evaluate 47% of the
keyspace, or 34 quadrillion keys, before finding the winning key. At
the close of this contest our 4000 active teams were processing over
7 billion keys each second at an aggregate computing power equivalent
to more than 26 thousand Pentium 200s or over 11 thousand PowerPC
604e/200s. Over the course of the project, we received block
submissions from over 500 thousand unique IP addresses.
The winning key was found by Peter Stuer <peter at dinf.vub.ac.be> with
an Intel Pentium Pro 200 running Windows NT Workstation, working for
the STARLab Bovine Team coordinated by Jo Hermans
<Jo.Hermans at vub.ac.be> and centered in the Computer Science
Department (DINF) of the Vrije Universiteit (VUB) in Brussels,
Belgium. (http://dinf.vub.ac.be/bovine.html/). Jos only comments
were that "$1000 will buy a lot of beer" and that he wished that the
solution had been found by a Macintosh, the platform that represented
the largest portion of his teams cracking power. Congratulations
Peter and Jo!
Of the US$10000 prize from RSA Labs, they will receive US$1000 and
plan to host an unforgettable party in celebration of our collective
victory. If youre anywhere near Brussels, you might want to find
out when the party will be held. US$8000, of course, is being
donated to Project Gutenberg (http://www.promo.net/pg/) to assist
them in their continuing efforts in converting literature into
electronic format for the public use. The remaining US$1000 is being
retained by distributed.net to assist in funding future projects.
Equally important are the thanks, accolades, and congratulations due
to all who participated and contributed to the Bovine RC5-56 Effort!
The thousands of teams and tens of thousands of individuals who have
diligently tested key after key are the reason we are so successful.
The thrill of finding the key more than compensates for the sleep,
food, and free time that weve sacrificed!
Special thanks go to all the coders and developers, especially Tim
Charron, who has graciously given his time and expertise since the
earliest days of the Bovine effort. Thanks to all the coordinators
and keyserver operators: Chris Chiapusio, Paul Chvostek, Peter
Denitto, Peter Doubt, Mishari Muqbil, Steve Sether, and Chris
Yarnell. Thanks to Andrew Meggs, Roderick Mann, and Kevyn Shortell
for showing us the true power of the Macintosh and the strength of
its users. Wed also like to thank Dave Avery for attempting to
bridge the gap between Bovine and the other RC5 efforts.
Once again, a heartfelt clap on the back goes out to all of us who
have run the client. Celebrations are in order. Id like to invite
any and all to join us on the EFNet IRC network channel #rc5 for
celebrations as we regroup and set our sights on the next task. Now
that weve proven the limitations of a 56-bit key length, lets go
one further and demonstrate the power of distributed computing! We
are, all of us, the future of computing. Join the excitement as the
world is forced to take notice of the power weve harnessed.
Moo and a good hearty laugh.
Adam L. Beberg - Client design and overall visionary
Jeff Lawson - keymaster/server network design and morale booster
David McNett - stats development and general busybody
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