LBlock is a 64-bit lightweight block cipher which can be implemented in both hardware environments and software platforms. It was proposed by Wu Wenling and Zhang Lei at ACNS2011. We studied the security of LBlock found that the permutation layer can getting better on security in the internet of things. In order to assure it can achieve enough security, we gave an improvement on permutation layer of LBlock. By analyzing the property of the diffusion transformation, it has shown that a new kind of 11-round impossible differential was presented. To the best of our knowledge, this is the first paper that proposes this way analysis on improved LBlock. © Springer Science+Business Media Dordrecht 2014.
CITATION STYLE
Liu, X., Liu, F., & Meng, S. (2014). New impossible differential cryptanalysis on improved LBlock. In Lecture Notes in Electrical Engineering (Vol. 269 LNEE, pp. 737–745). https://doi.org/10.1007/978-94-007-7618-0_71
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