XIE Min, LI Jingjing, ZANG Yuechuan, “Related-Key Impossible Differential Cryptanalysis of LBlock,” Chinese Journal of Electronics, vol. 26, no. 1, pp. 35-41, 2017, doi: 10.1049/cje.2016.06.031
Citation: XIE Min, LI Jingjing, ZANG Yuechuan, “Related-Key Impossible Differential Cryptanalysis of LBlock,” Chinese Journal of Electronics, vol. 26, no. 1, pp. 35-41, 2017, doi: 10.1049/cje.2016.06.031

Related-Key Impossible Differential Cryptanalysis of LBlock

doi: 10.1049/cje.2016.06.031
Funds:  This work is supported by the National Natural Science Foundation of China (No.61373170), the Key Program of NSFC-Guangdong Union Foundation (No.U1401251), the Program for New Century Excellent Talents in University (No.NCET-11-0691), and the 111 Project of China (No.B08038).
  • Received Date: 2015-01-04
  • Rev Recd Date: 2015-07-08
  • Publish Date: 2017-01-10
  • 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 263 chosen plaintexts and 275.42 24-round encryptions respectively.
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