Abstract
In this paper we examine the strength of AES against the related-key impossible differential attack, following the work of Jakimoski and Desmedt [12]. We use several additional observations to substantially improve the data and time complexities of their attacks. Amongst our results, we present a related-key attack on 7-round AES-192 with data complexity of 256 chosen plaintexts (instead of 2111). Our attack on 8-round AES-192 has data complexity of 268.5 chosen plaintexts (instead of 288). The time complexities of our attacks is also substantially lower than the time complexities of previous attacks.
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Biham, E., Dunkelman, O., Keller, N. (2006). Related-Key Impossible Differential Attacks on 8-Round AES-192. In: Pointcheval, D. (eds) Topics in Cryptology – CT-RSA 2006. CT-RSA 2006. Lecture Notes in Computer Science, vol 3860. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11605805_2
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DOI: https://doi.org/10.1007/11605805_2
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-31033-4
Online ISBN: 978-3-540-32648-9
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