Numerical recipes in C (2nd ed.): the art of scientific computing
Numerical recipes in C (2nd ed.): the art of scientific computing
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ISC '08 Proceedings of the 11th international conference on Information Security
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How to Compare Profiled Side-Channel Attacks?
ACNS '09 Proceedings of the 7th International Conference on Applied Cryptography and Network Security
Practical Electromagnetic Template Attack on HMAC
CHES '09 Proceedings of the 11th International Workshop on Cryptographic Hardware and Embedded Systems
CHES '09 Proceedings of the 11th International Workshop on Cryptographic Hardware and Embedded Systems
A timing attack against patterson algorithm in the McEliece PKC
ICISC'09 Proceedings of the 12th international conference on Information security and cryptology
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LATINCRYPT'10 Proceedings of the First international conference on Progress in cryptology: cryptology and information security in Latin America
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ACNS'10 Proceedings of the 8th international conference on Applied cryptography and network security
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Transactions on computational science X
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CRYPTO'11 Proceedings of the 31st annual conference on Advances in cryptology
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CRYPTO'11 Proceedings of the 31st annual conference on Advances in cryptology
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CHES'11 Proceedings of the 13th international conference on Cryptographic hardware and embedded systems
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CHES'06 Proceedings of the 8th international conference on Cryptographic Hardware and Embedded Systems
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CHES'06 Proceedings of the 8th international conference on Cryptographic Hardware and Embedded Systems
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INDOCRYPT'11 Proceedings of the 12th international conference on Cryptology in India
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COSADE'12 Proceedings of the Third international conference on Constructive Side-Channel Analysis and Secure Design
COSADE'12 Proceedings of the Third international conference on Constructive Side-Channel Analysis and Secure Design
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AFRICACRYPT'12 Proceedings of the 5th international conference on Cryptology in Africa
An efficient leakage characterization method for profiled power analysis attacks
ICISC'11 Proceedings of the 14th international conference on Information Security and Cryptology
ICISC'11 Proceedings of the 14th international conference on Information Security and Cryptology
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ESORICS'07 Proceedings of the 12th European conference on Research in Computer Security
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CHES'12 Proceedings of the 14th international conference on Cryptographic Hardware and Embedded Systems
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ICICS'12 Proceedings of the 14th international conference on Information and Communications Security
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ASIACRYPT'12 Proceedings of the 18th international conference on The Theory and Application of Cryptology and Information Security
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CARDIS'12 Proceedings of the 11th international conference on Smart Card Research and Advanced Applications
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CARDIS'12 Proceedings of the 11th international conference on Smart Card Research and Advanced Applications
Wavelet Transform Based Pre-processing for Side Channel Analysis
MICROW '12 Proceedings of the 2012 45th Annual IEEE/ACM International Symposium on Microarchitecture Workshops
Security evaluation of cryptographic modules against profiling attacks
ICISC'12 Proceedings of the 15th international conference on Information Security and Cryptology
ACM Transactions on Information and System Security (TISSEC)
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Proceedings of the 2nd International Workshop on Hardware and Architectural Support for Security and Privacy
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DATE '12 Proceedings of the Conference on Design, Automation and Test in Europe
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COSADE'13 Proceedings of the 4th international conference on Constructive Side-Channel Analysis and Secure Design
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CHES'13 Proceedings of the 15th international conference on Cryptographic Hardware and Embedded Systems
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This contribution presents a new approach to optimize the efficiency of differential side channel cryptanalysis against block ciphers by advanced stochastic methods. We approximate the real leakage function within a suitable vector subspace. Under appropriate conditions profiling requires only one test key. For the key extraction we present a ‘minimum principle' that solely uses deterministic data dependencies and the ‘maximum likelihood principle' that additionally incorporates the characterization of the noise revealed during profiling. The theoretical predictions are accompanied and confirmed by experiments. We demonstrate that the adaptation of probability densities is clearly advantageous regarding the correlation method, especially, if multiple leakage signals at different times can be jointly evaluated. Though our efficiency at key extraction is limited by template attacks profiling is much more efficient which is highly relevant if the designer of a cryptosystem is bounded by the number of measurements in the profiling step.