The block cipher Square. In this paper we present a new 128-bit block cipher called Square. The original design of Square concentrates on the resistance against differential and linear cryptanalysis. However, after the initial design a dedicated attack was mounted that forced us to augment the number of rounds. The goal of this paper is the publication of the resulting cipher for public scrutiny. A C implementation of {sc Square} is available that runs at 2.63 MByte/s on a 100 MHz Pentium. Our M68HC05 Smart Card implementation fits in 547 bytes and takes less than 2 msec. (4 MHz Clock). The high degree of parallellism allows hardware implementations in the Gbit/s range today.

References in zbMATH (referenced in 63 articles )

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  1. Demirbaş, Fatih; Kara, Orhun: Integral characteristics by keyspace partitioning (2022)
  2. Wang, Ping; Chen, Xiaomei; Jiang, Guohao: Quantum Demiric-Selcuk meet-in-the-middle attacks on reduced-round AES (2022)
  3. Banik, Subhadeep; Bao, Zhenzhen; Isobe, Takanori; Kubo, Hiroyasu; Liu, Fukang; Minematsu, Kazuhiko; Sakamoto, Kosei; Shibata, Nao; Shigeri, Maki: WARP: revisiting GFN for lightweight 128-bit block cipher (2021)
  4. Hao, Yonglin; Leander, Gregor; Meier, Willi; Todo, Yosuke; Wang, Qingju: Modeling for three-subset division property without unknown subset (2021)
  5. Bar-On, Achiya; Dunkelman, Orr; Keller, Nathan; Ronen, Eyal; Shamir, Adi: Improved key recovery attacks on reduced-round AES with practical data and memory complexities (2020)
  6. Grassi, Lorenzo; Lüftenegger, Reinhard; Rechberger, Christian; Rotaru, Dragos; Schofnegger, Markus: On a generalization of substitution-permutation networks: the HADES design strategy (2020)
  7. Grassi, Lorenzo; Rechberger, Christian: Revisiting Gilbert’s known-key distinguisher (2020)
  8. Kiryukhin, V. A.: Related-key attack on 5-round Kuznyechik (2020)
  9. Kurochkin, A. V.: On some properties of an XSL-network (2019)
  10. Bar-On, Achiya; Biham, Eli; Dunkelman, Orr; Keller, Nathan: Efficient slide attacks (2018)
  11. Cui, Tingting; Chen, Huaifeng; Mesnager, Sihem; Sun, Ling; Wang, Meiqin: Statistical integral distinguisher with multi-structure and its application on AES-like ciphers (2018)
  12. Cui, Tingting; Chen, Huaifeng; Wen, Long; Wang, Meiqin: Statistical integral attack on CAST-256 and IDEA (2018)
  13. Chand Gupta, Kishan; Kumar Pandey, Sumit; Ghosh Ray, Indranil: Applications of design theory for the constructions of MDS matrices for lightweight cryptography (2017)
  14. Chang, Donghoon; Ghosh, Mohona; Gupta, Kishan Chand; Jati, Arpan; Kumar, Abhishek; Moon, Dukjae; Ray, Indranil Ghosh; Sanadhya, Somitra Kumar: SPF: a new family of efficient format-preserving encryption algorithms (2017)
  15. Fedchenko, V. A.: Diffusion rates of linear medium in AES-like ciphers (2017)
  16. Grassi, Lorenzo; Rechberger, Christian; Rønjom, Sondre: A new structural-differential property of 5-round AES (2017)
  17. Journault, Anthony; Standaert, François-Xavier; Varici, Kerem: Improving the security and efficiency of block ciphers based on LS-designs (2017)
  18. Todo, Yosuke: Integral cryptanalysis on full MISTY1 (2017)
  19. Zhukov, K. D.: Overview of attacks on AES-128: to the (15^\textth) anniversary of AES (2017)
  20. Bar-On, Achiya; Keller, Nathan: A (2^70) attack on the full MISTY1 (2016)

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