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Abstract:
The differential meet-in-the-middle (MITM) attack is a new cryptanalysis technique proposed at Crypto 2023. It has achieved good results in attacking some symmetric encryption algorithms. In this paper, we enhance the differential-meet-in-the-middle attack by utilizing MILP to construct the best differential trail for a distinguisher in the offline phase and optimizing the attack process during the online phase. This optimization leads to a reduction in the time complexity of the attack. We apply the differential meet-inthe- middle attack to 8-round FUTURE with 264data, 248 memory, 2124time complexity. Besides, our attack to the on 14-round CRAFT with 264 data, 274 memory, 2104 time complexity. As far as we know, it is the first key recovery attack to FUTURE. © 2023 ACM.
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Year: 2023
Page: 151-158
Language: English
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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