Another useful piece of research on the topic: V. Griffith and M. Jakobsson. "Messin' with Texas, Deriving Mother's Maiden Names Using Public Records." ACNS '05, 2005 and CryptoBytes Winter '07
http://www.informatics.indiana.edu/markus/papers.asp Cheers, Scott --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]