Abstract
This paper defines perfect security against side channel attacks for a cryptosystem implementation, and discusses the implication of secure notions for a cryptosystem in provable security. Then we give some security notions for symmetric encryption against side channel attacks, UB-SCA (unbreakability in side channel attacks) and IND-CPA-SCA (indistinguishability of chosen plaintext attacks and side channel attacks). On the basis of these definitions, we propose and prove that IND-CPA + UB-SCA → IND-CPA-SCA by reduction, and IND-CPA-SCA is stronger than IND-CPA or UB-SCA. © Springer-Verlag Berlin Heidelberg 2007.
Cite
CITATION STYLE
Li, W., & Gu, D. (2007). An approach for symmetric encryption against side channel attacks in provable security. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 4784 LNCS, pp. 178–187). Springer Verlag. https://doi.org/10.1007/978-3-540-75670-5_12
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