Friday 5th July, 2013
5:00pm to 5:45pm
Car manufacturers nicely illustrate what _not_ to do in cryptography.
Immobilizers have for a long time increased the difficulty of stealing cars. Older immobilizer transponders defeated thieves by requiring non-trivial RF skills for copying keys. Current transponders go one step further by employing cryptographic functions with the potential of making car cloning as difficult as breaking long-standing mathematical problems. Cryptography, however, is only as strong as the weakest link of key management, cipher strength, and protocol security.
This talk discusses weak links of the main immobilizer technologies and their evolution over time.
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