Abstract
In CRYPTO 2014 Albrecht et al. brought in a 20-round iterative lightweight block cipher PRIDE which is based on a good linear layer for achieving a tradeoff between security and efficiency. A recent analysis is presented by Zhao et al. Inspired by their work, we use an automatic search method to find out 56 iterative differential characteristics of PRIDE, containing 24 1-round iterative characteristics, based on three of them we construct a 15-round differential and perform a differential attack on the 19-round PRIDE, with data, time and memory complexity of 2 62, 2 63 and 2 71 respectively.
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CITATION STYLE
Yang, Q., Hu, L., Sun, S., Qiao, K., Song, L., Shan, J., & Ma, X. (2015). Improved differential analysis of block cipher PRIDE. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 9065, pp. 209–219). Springer Verlag. https://doi.org/10.1007/978-3-319-17533-1_15
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