Re: Last nail for US crypto export policy?
Yee-hah! Congratulations (and enjoy the $1000 check!)
So what did you do interesting cryptographically in the crack,
other than coordinating a bunch of workstations?
Was it just brute force with well-tuned code?
Given the figures in your press release, it sounds like you
tested about 350 billion keys out of a trillion possible,
so you hit the winner a shade early. That's about 400,000 keys/sec/box.
Are the machines mostly Pentiums, Alphas, Suns, etc.?
At 03:59 PM 1/28/97 -0800, Ian Goldberg
EXPORTABLE CRYPTOGRAPHY TOTALLY INSECURE: CHALLENGE CIPHER BROKEN IMMEDIATELY
January 28, 1997 - Ian Goldberg, a UC Berkeley graduate student, announced today that he had successfully cracked RSA Data Security Inc.'s 40-bit challenge cipher in just under 3.5 hours. .... Goldberg used UC Berkeley's Network of Workstations (known as the NOW) to harness the computational resources of about 250 idle machines. This allowed him to test 100 billion possible "keys" per hour --
# Thanks; Bill # Bill Stewart, +1-415-442-2215 stewarts@ix.netcom.com # You can get PGP outside the US at ftp.ox.ac.uk/pub/crypto/pgp # (If this is a mailing list, please Cc: me on replies. Thanks.)
On Tue, 28 Jan 1997 stewarts@ix.netcom.com wrote: [snip]
EXPORTABLE CRYPTOGRAPHY TOTALLY INSECURE: CHALLENGE CIPHER BROKEN IMMEDIATELY
January 28, 1997 - Ian Goldberg, a UC Berkeley graduate student, announced today that he had successfully cracked RSA Data Security Inc.'s 40-bit challenge cipher in just under 3.5 hours. .... Goldberg used UC Berkeley's Network of Workstations (known as the NOW) to harness the computational resources of about 250 idle machines. This allowed him to test 100 billion possible "keys" per hour --
Good grief...I just remembered that this challenge started today when I read this letter. A question - how does DES differ from the RC5 cyphers that are also up for breaking? Where can I find some software to use on these? Zach Babayco zachb@netcom.com <-------finger for PGP public key If you need to know how to set up a mail filter or defend against emailbombs, send me a message with the words "get helpfile" (without the " marks) in the SUBJECT: header, *NOT THE BODY OF THE MESSAGE!* I have several useful FAQs and documents available.
January 28, 1997 - Ian Goldberg, a UC Berkeley graduate student, announced today that he had successfully cracked RSA Data Security Inc.'s 40-bit challenge cipher in just under 3.5 hours.
I just ran out of asswipe. Does anyone have any RSA Data Security, Inc. stock they'd like to sell? Toto
participants (3)
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stewarts@ix.netcom.com
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Toto
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Z.B.