CRYPTO '99 Proceedings of the 19th Annual International Cryptology Conference on Advances in Cryptology
CHES '02 Revised Papers from the 4th International Workshop on Cryptographic Hardware and Embedded Systems
Power Analysis Attacks: Revealing the Secrets of Smart Cards (Advances in Information Security)
Power Analysis Attacks: Revealing the Secrets of Smart Cards (Advances in Information Security)
Multiple-Differential Side-Channel Collision Attacks on AES
CHES '08 Proceeding sof the 10th international workshop on Cryptographic Hardware and Embedded Systems
CHES '08 Proceeding sof the 10th international workshop on Cryptographic Hardware and Embedded Systems
Algebraic Methods in Side-Channel Collision Attacks and Practical Collision Detection
INDOCRYPT '08 Proceedings of the 9th International Conference on Cryptology in India: Progress in Cryptology
Improved side-channel collision attacks on AES
SAC'07 Proceedings of the 14th international conference on Selected areas in cryptography
Template attacks in principal subspaces
CHES'06 Proceedings of the 8th international conference on Cryptographic Hardware and Embedded Systems
WISA'04 Proceedings of the 5th international conference on Information Security Applications
Differential cache-collision timing attacks on AES with applications to embedded CPUs
CT-RSA'10 Proceedings of the 2010 international conference on Topics in Cryptology
Beyond the Limits of DPA: Combined Side-Channel Collision Attacks
IEEE Transactions on Computers
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Detecting collisions in the power consumption of a modern cryptographic engine is usually difficult due to small leakages and possible countermeasures. Wide collisions offer a much stronger leakage that significantly facilitates their detection. This is the first time wide collisions are exploited in a power analysis attack. In this work we introduce a collision detection method based on the detection of characteristic outliers. Detection results are compared to optimized subspace-based templates. We show that the outlier detection method, while not requiring a template building phase, is almost as effective in detecting collisions as the template-based approach.