We improve the existing distinguishers of AES. Our work is mainly built upon the works by Gilbert& Miner [17] and Demirci & Selçuk [14]. We find out that some part of the inner encryption function of AES can be expressed with relatively few constants under certain conditions. These new distinguishers are exploited to develop a meet-in-the-middle attack on 7 rounds of AES-128 and AES-192, and on 8 rounds of AES-256. The proposed attack is faster than the existing attacks [15][17]for key size of 128 at the expense of an increase in the complexities of memory and precomputation. © 2009 Springer-Verlag.
CITATION STYLE
Demirci, H., Taşkin, I., Çoban, M., & Baysal, A. (2009). Improved meet-in-the-middle attacks on AES. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 5922 LNCS, pp. 144–156). https://doi.org/10.1007/978-3-642-10628-6_10
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