Can cryptography secure the Internet?
Richard Clayton (University of Cambridge, UK)

Every system that runs over the Internet, from email through web browsing, from banking to eCommerce, from checking bus timetables to booking a hotel, ultimately depends on the security of the Domain Name System (DNS) and upon the security of BGP, the protocol used by routers to keep track of the best way of routing packets. Unfortunately, both the DNS and BGP are horribly insecure, and can be easily subverted. Most of the serious failures thus far have been accidental and easy to deal with, but eventually criminals will work out how to subvert the system without being immediately detected. Then we'll all be sorry! This talk examines the extent to which cryptography can make the Internet's infrastructure secure, and some of the reasons why cryptographicsolutions are yet to be deployed.