East Asian mathematical journal

  • 제37권1호
  • /
  • Pages.1-7
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  • 2021
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  • 1226-6973(pISSN)
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  • 2287-2833(eISSN)
영남수학회 (The Youngnam Mathematical Society)
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ON THE MODIFICATION OF FINITE FIELD BASED S-BOX

  • Kim, Jun Kyo (Department of Mathematics, Pusan National University)
  • 투고 : 2020.10.30
  • 심사 : 2020.11.04
  • 발행 : 2021.01.31
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초록

In modern block ciphers, S-box plays a very important role in the secrets of symmetric encryption algorithms. Many popular block ciphers have adopted various S-Boxes to design better S-Boxes. Among the researches, Jin et al. proposed a simple scheme to create a new S-box from Rijndael S-box. Only one of the new S-boxes for 29 is a bijection with a better algebraic representation than the original. Therefore, they asked a few questions. In this paper, we answer the following question : When the resulting S-box is bijection?

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참고문헌

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