Re: unforgeable optical tokens?

2002-09-26 Thread John Kelsey
At 03:31 PM 9/24/02 -0400, Steven M. Bellovin wrote: ... A fair number of years ago, I saw something like this proposed for non-proliferation seals on nuclear reactors. The scheme then (I believe I saw it in Science News) was that International Atomic Engergy Agency inspectors would use a

Re: unforgeable optical tokens?

2002-09-26 Thread John Kelsey
At 09:24 AM 9/21/02 -0400, Derek Atkins wrote: ... This isn't security -- this is a small-form-factor physical ROM. This read-only data crystal. The fact that they cannot be duplicated easily just means that you cannot use these tokens for real data storage. Imagine if they _were_ replicable..

RSA's RC5-64 Secret Key Challenge has been solved.

2002-09-26 Thread Trei, Peter
First, the official PR release: --- Distributed Team Collaborates to Solve Secret-Key Challenge Contest designed to keep the cryptographic community updated on new achievements and help organizations maintain highest levels of security Bedford,

[SIMSOFT] machine shop -Biometrics Slouches Toward the Mainstream

2002-09-26 Thread R. A. Hettinga
--- begin forwarded text Status: RO To: [EMAIL PROTECTED] From: Simson Garfinkel [EMAIL PROTECTED] Date: Wed, 25 Sep 2002 23:03:40 -0400 Sender: [EMAIL PROTECTED] Subject: [SIMSOFT] machine shop -Biometrics Slouches Toward the Mainstream Dear Friends, I'm happy to announce that I've started