IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Online ISSN : 1745-1337
Print ISSN : 0916-8508
Special Section on Cryptography and Information Security
Evaluation Method for Access-Driven Cache Attacks Using Correlation Coefficient
Junko TAKAHASHIToshinori FUKUNAGAKazumaro AOKIHitoshi FUJI
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2015 Volume E98.A Issue 1 Pages 192-202

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Abstract

This paper proposes a new accurate evaluation method for examining the resistance of cryptographic implementations against access-driven cache attacks (CAs). We show that a mathematical correlation method between the sets of measured access time and the ideal data, which depend on the guessed key, can be utilized to evaluate quantitatively the correct key in access-driven CAs. We show the effectiveness of the proposed method using the access time measured in noisy environments. We also estimate the number of key candidates based on mathematical proof while considering memory allocation. Furthermore, based on the proposed method, we analyze quantitatively how the correlation values change with the number of plaintexts for a successful attack.

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© 2015 The Institute of Electronics, Information and Communication Engineers
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