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An Approach for Symmetric Encryption Against Side Channel Attacks in Provable Security

  • Wei Li
  • Dawu Gu
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4784)

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 \(\Rightarrow\) IND-CPA-SCA by reduction, and IND-CPA-SCA is stronger than IND-CPA or UB-SCA.

Keywords

Random String Symmetric Encryption Side Channel Attack Provable Security Oracle Query 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • Wei Li
    • 1
  • Dawu Gu
    • 1
  1. 1.Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240China

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