LBlock

LBlock: a lightweight block cipher. In this paper, we propose a new lightweight block cipher called LBlock. Similar to many other lightweight block ciphers, the block size of LBlock is 64-bit and the key size is 80-bit. Our security evaluation shows that LBlock can achieve enough security margin against known attacks, such as differential cryptanalysis, linear cryptanalysis, impossible differential cryptanalysis and related-key attacks etc. Furthermore, LBlock can be implemented efficiently not only in hardware environments but also in software platforms such as 8-bit microcontroller. Our hardware implementation of LBlock requires about 1320 GE on $0.18mu$m technology with a throughput of 200 Kbps at 100 KHz. The software implementation of LBlock on 8-bit microcontroller requires about 3955 clock cycles to encrypt a plaintext block.

This software is also peer reviewed by journal TOMS.


References in zbMATH (referenced in 39 articles , 1 standard article )

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  1. Boura, Christina; Lallemand, Virginie; Naya-Plasencia, María; Suder, Valentin: Making the impossible possible (2018)
  2. Blondeau, Céline; Nyberg, Kaisa: Joint data and key distribution of simple, multiple, and multidimensional linear cryptanalysis test statistic and its impact to data complexity (2017)
  3. Sasaki, Yu; Todo, Yosuke: New impossible differential search tool from design and cryptanalysis aspects. Revealing structural properties of several ciphers (2017)
  4. Zheng, Yafei; Wu, Wenling: Biclique attack of block cipher SKINNY (2017)
  5. Biryukov, Alex; Dinu, Daniel; Großschädl, Johann: Correlation power analysis of lightweight block ciphers: from theory to practice (2016)
  6. Canteaut, Anne; Duval, Sébastien; Leurent, Gaëtan: Construction of lightweight S-boxes using Feistel and MISTY structures (2016)
  7. Derbez, Patrick: Note on impossible differential attacks (2016)
  8. Derbez, Patrick; Fouque, Pierre-Alain: Automatic search of meet-in-the-middle and impossible differential attacks (2016)
  9. Esgin, Muhammed F.; Kara, Orhun: Practical cryptanalysis of full Sprout with TMD tradeoff attacks (2016)
  10. Guo, Jian; Jean, Jérémy; Nikolić, Ivica; Sasaki, Yu: Extended meet-in-the-middle attacks on some Feistel constructions (2016)
  11. Leurent, Gaëtan: Differential forgery attack against LAC (2016)
  12. Lin, Li; Wu, Wenling; Zheng, Yafei: Automatic search for key-bridging technique: applications to LBlock and TWINE (2016)
  13. Lu, Jiqiang: On the security of the LAC authenticated encryption algorithm (2016)
  14. Luykx, Atul; Preneel, Bart; Tischhauser, Elmar; Yasuda, Kan: A MAC mode for lightweight block ciphers (2016)
  15. Perrin, Léo; Udovenko, Aleksei: Algebraic insights into the secret Feistel network (2016)
  16. Xiang, Zejun; Zhang, Wentao; Bao, Zhenzhen; Lin, Dongdai: Applying MILP method to searching integral distinguishers based on division property for 6 lightweight block ciphers (2016)
  17. Beaulieu, Ray; Shors, Douglas; Smith, Jason; Treatman-Clark, Stefan; Weeks, Bryan; Wingers, Louis: The Simon and Speck block ciphers on AVR 8-bit microcontrollers (2015)
  18. Karakoç, F.; Demirci, H.; Harmancı, A.E.: AKF: a key alternating Feistel scheme for lightweight cipher designs (2015)
  19. Lallemand, Virginie; Naya-Plasencia, María: Cryptanalysis of full sprout (2015)
  20. Lallemand, Virginie; Naya-Plasencia, María: Cryptanalysis of KLEIN (2015)

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