Group law operations on pair-friendly elliptic curves are slower than in non friendly elliptic curves, but how much slower? Can't seem to find a performance comparison between the two for a given security parameter.

And what is the most efficient curve of each group?

  • $\begingroup$ What do you mean by "what is the most efficient curve of each group?" ? $\endgroup$
    – Binou
    Jan 5 '20 at 20:10
  • $\begingroup$ I mean with the most efficient/fastest group law operations. $\endgroup$
    – Fiono
    Jan 6 '20 at 17:46
  • $\begingroup$ It depends also on the form of the curve (Montgomery, Edward, ...) $\endgroup$
    – Binou
    Jan 6 '20 at 17:48

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