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SCIENCE CHINA Information Sciences, Volume 64 , Issue 1 : 119103(2021) https://doi.org/10.1007/S11432-019-9938-0

Secure key-alternating Feistel ciphers without key schedule

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  • ReceivedApr 23, 2019
  • AcceptedJul 19, 2019
  • PublishedOct 27, 2020

Abstract

There is no abstract available for this article.


Acknowledgment

This work was supported by National Natural Science Foundation of China (Grant Nos. 61602302, 61472250, 61672347, 61802255, 61702331, 61472251, U1536101), Natural Science Foundation of Shanghai (Grant No. 16ZR1416400), Shanghai Excellent Academic Leader Funds (Grant No. 16XD1401300), the 13th Five-year National Development Fund of Cryptography (Grant Nos. MMJJ20170114, MMJJ20170105), Sichuan Science and Technolog Program (Grant No. 2017GZDZX0002), Science and Technology on Communication Security Laboratory, China Scholarship Council (Grant No. 201806230107).


Supplement

Appendixes A–C.


References

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  • Figure 1

    (a) Guo and Wang's four-round single-key KAFSFwith key-schedule function $\varphi$; (b) our four-round single-key KAFSFwithout key schedule, where $\varepsilon$ is the rotation of one bit.