Karsten Nohl, University of Virginia
[Dave Birch] Dr. Karsten Nohl is a researcher at the University of Virginia. A cryptographer, who was researching some aspects of RFID and privacy, he was part of the team that attracted widespread industry interest when they reverse-engineered the NXP MiFare Classic smart card. Some two billion MiFare Classic cards have been sold around the world, where they are widely used in transit systems (where they have an 85% market share), access control, ticketing and other applications. The reverse-engineering mean that the team could break the CRYPTO-1 stream cipher used in the products and therefore create bogus cards at will. In this podcast, Karsten explains what the team did and what some of the lessons might be for the designers of secure identification systems.
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