I have studied bit-sliced implementation in SERPENT block cipher and I need to use this technique to implement some 4x4 s-boxes. I couldn't find any procedure to obtain bit-sliced format in any paper or document. I really need this method to use. Please explain me how to do this and what method or procedure I can use from beginning to end?

  • $\begingroup$ You might be interested in this paper $\endgroup$ – Ella Rose May 9 '17 at 5:55
  • $\begingroup$ I read this. But I couldn't understand the method and it didn't have any sample. $\endgroup$ – Vahid May 9 '17 at 6:27
  • $\begingroup$ Sounds like a homework problem to me $\endgroup$ – yyyy0000 Sep 30 '18 at 17:34
  • $\begingroup$ Does [ii.uib.no/~osvik/pub/aes3.pdf] help you? $\endgroup$ – yyyy0000 Jan 7 '19 at 19:46

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