In-depth crypto attacks: "It always takes two bugs"

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• Karsten Nohl, Security Research Labs
• Friday 25 October 2013, 14:00-15:30
• Lecture Theatre 2, Computer Laboratory, William Gates Building.

If you have a question about this talk, please contact Laurent Simon.

Abstract: Real-world cryptographic systems rarely meet academic expectations, with most systems’ being shown “insecure” at some point. At the same time, our IT-driven world has not yet fallen apart, suggesting that many protection mechanisms are “secure enough” for how they are employed.

This talk argues that hacks with real-world implications are mostly the result of being able to break security assumptions on multiple design layers. Protection designs that focus on a single security function and neglect complimentary layers are hence more prone to compromise.

We look at three widely deployed protection systems from the cell phone, automotive, and smart-card domains and show how technology abuse arises from the combination of best-practice deviations on multiple design layers.

Bio: Karsten Nohl is a cryptographer and security researcher with a degree in Computer Engineering from UVa. Karsten likes to test security assumptions in proprietary systems and typically breaks them.

This talk is part of the Computer Laboratory Security Seminar series.

This talk is included in these lists:

• All Talks (aka the CURE list)
• Cambridge talks
• Computer Laboratory Security Seminar
• Department of Computer Science and Technology talks and seminars
• Interested Talks
• Lecture Theatre 2, Computer Laboratory, William Gates Building
• School of Technology
• Security-related talks
• Trust & Technology Initiative - interesting events
• bld31

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