Related‐Key Impossible Differential Cryptanalysis of LBlock | Zendy

Xie Minm | Zendy; Li Jingjing | Zendy; Zang Yuechuan | Zendy

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Related‐Key Impossible Differential Cryptanalysis of LBlock

Author(s) -

Xie Minm,

Li Jingjing,

Zang Yuechuan

Publication year - 2017

Publication title -

chinese journal of electronics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.267

H-Index - 25

eISSN - 2075-5597

pISSN - 1022-4653

DOI - 10.1049/cje.2016.06.031

Subject(s) - key (lock) , linear cryptanalysis , cryptanalysis , differential cryptanalysis , computer science , impossible differential cryptanalysis , boomerang attack , differential (mechanical device) , higher order differential cryptanalysis , computer security , cryptography , physics , thermodynamics

A related‐key impossible differential attack on 24‐round LBlock is constructed by using new 16‐round related‐key impossible differentials and adding 4 rounds at the top and 4 rounds at the bottom of these 16‐round related‐key impossible differential paths. The data and time complexities are about 2 63 chosen plaintexts and 2 75.42 24‐round encryptions respectively.

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