A very compact FPGA implementation of LED and PHOTON. LED and PHOTON are new ultra-lightweight cryptographic algorithms aiming at resource-constrained devices. In this article, we describe three different hardware architectures of the LED and PHOTON family optimized for Field-Programmable Gate Array (FPGA) devices. In the first architecture, we propose a round-based implementation while the second is a fully serialized architecture performing operations on a single cell per clock cycle. Then, we propose a novel architecture that is designed with a focus on utilizing commonly available building blocks (SRL16). This new architecture, organized in a complex scheduling of the operations, seems very well suited for recent designs that use serial matrices. We implemented both the lightweight block cipher LED and the lightweight hash function PHOTON on the Xilinx FPGA series Spartan-3 (low-cost) and Artix-7 (high-end) devices and our new proposed architecture provides very competitive area-throughput trade-offs. In comparison with other recent lightweight block ciphers, the implementation results of LED show a significant improvement of hardware efficiency and we obtain the smallest known FPGA implementation (as of today) of any hash function.

References in zbMATH (referenced in 46 articles )

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  1. 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)
  2. Chakraborti, Avik; Iwata, Tetsu; Minematsu, Kazuhiko; Nandi, Mridul: Blockcipher-based authenticated encryption: how small can we go? (2020)
  3. Zhao, Boxin; Dong, Xiaoyang; Meier, Willi; Jia, Keting; Wang, Gaoli: Generalized related-key rectangle attacks on block ciphers with linear key schedule: applications to SKINNY and GIFT (2020)
  4. Cauchois, Victor; Loidreau, Pierre: On circulant involutory MDS matrices (2019)
  5. Dey, Sabyasachi; Roy, Tapabrata; Sarkar, Santanu: Some results on Fruit (2019)
  6. Gupta, Kishan Chand; Pandey, Sumit Kumar; Venkateswarlu, Ayineedi: Almost involutory recursive MDS diffusion layers (2019)
  7. Boura, Christina; Lallemand, Virginie; Naya-Plasencia, María; Suder, Valentin: Making the impossible possible (2018)
  8. Chen, Shan; Lampe, Rodolphe; Lee, Jooyoung; Seurin, Yannick; Steinberger, John: Minimizing the two-round Even-Mansour cipher (2018)
  9. Elenizi, Eman; Bani-Ata, Mashhour; Alrashed, Maryam H. A.: On a new cipher system over Galois fields of order 27 (2018)
  10. Liu, Yunwen; Rijmen, Vincent: New observations on invariant subspace attack (2018)
  11. Liu, Yunwen; Rijmen, Vincent; Leander, Gregor: Nonlinear diffusion layers (2018)
  12. Boura, Christina; Canteaut, Anne; Knudsen, Lars R.; Leander, Gregor: Reflection ciphers (2017)
  13. Dubrova, Elena; Hell, Martin: Espresso: a stream cipher for 5G wireless communication systems (2017)
  14. Gupta, Kishan Chand; Pandey, Sumit Kumar; Venkateswarlu, Ayineedi: On the direct construction of recursive MDS matrices (2017)
  15. Gupta, Kishan Chand; Pandey, Sumit Kumar; Venkateswarlu, Ayineedi: Towards a general construction of recursive MDS diffusion layers (2017)
  16. Hao, Yonglin; Meier, Willi: Truncated differential based known-key attacks on round-reduced SIMON (2017)
  17. Journault, Anthony; Standaert, François-Xavier; Varici, Kerem: Improving the security and efficiency of block ciphers based on LS-designs (2017)
  18. Shen, Xuan; Liu, Guoqiang; Sun, Bing; Li, Chao: Impossible differentials of SPN ciphers (2017)
  19. Banik, Subhadeep; Bogdanov, Andrey; Regazzoni, Francesco: Exploring energy efficiency of lightweight block ciphers (2016)
  20. Banik, Subhadeep; Bogdanov, Andrey; Regazzoni, Francesco: Atomic-AES: a compact implementation of the AES encryption/decryption core (2016)

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