Welcome to the resource topic for 2014/770
Title:
AES Cipher Keys Suitable for Efficient Side-Channel Vulnerability Evaluation
Authors: Takaaki Mizuki, Yu-ichi Hayashi
Abstract:This paper investigates pairs of AES-128 cipher keys and plaintexts which result in being quiet'' in the final round, i.e., whose 128-bit State holds the same bit pattern before and after Round 10. We show that the number of such quiet plaintexts (resulting in Hamming distance 0) for any cipher key is at most 5,914,624, and that there exist exactly 729 cipher keys having such a maximum number. The same holds if quiet’’ is replaced by ``noisy’’ (which means to have Hamming distance 128). Because such quiet and noisy plaintexts make extreme actions in the final round of the AES encryption, these AES-128 cipher keys are quite useful for AES hardware designers to efficiently evaluate the vulnerabilities of their products, for instance, the performance of their side-channel attack countermeasures.
ePrint: https://eprint.iacr.org/2014/770
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