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Automatic Differential Analysis of ARX Block Ciphers with Application to SPECK and LEA
[chapter]
2016
Lecture Notes in Computer Science
In this paper, we focus on the automatic differential cryptanalysis of ARX block ciphers with respect to XOR-difference, and develop Mouha et al.'s framework for finding differential characteristics by adding a new method to construct long characteristics from short ones. The new method reduces the searching time a lot and makes it possible to search differential characteristics for ARX block ciphers with large word sizes such as n = 48, 64. What's more, we take the differential effect into
doi:10.1007/978-3-319-40367-0_24
fatcat:qnnvmvvmwfhezg7heivko55mbu