2008 | OriginalPaper | Buchkapitel
A Meet-in-the-Middle Attack on 8-Round AES
verfasst von : Hüseyin Demirci, Ali Aydın Selçuk
Erschienen in: Fast Software Encryption
Verlag: Springer Berlin Heidelberg
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We present a 5-round distinguisher for AES. We exploit this distinguisher to develop a meet-in-the-middle attack on 7 rounds of AES-192 and 8 rounds of AES-256. We also give a time-memory tradeoff generalization of the basic attack which gives a better balancing between different costs of the attack. As an additional note, we state a new square-like property of the AES algorithm.