Some folks might be interested in http://villagevoice.com/news/0642,torturetaxi,74732,2.html -- it's not precisely traffic analysis, but there are enough similar techniques that I think it's relevant to this list.
--Steven M. Bellovin, http://www.cs.columbia.edu/~smb --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]