I am currently doing a survey on group key, and throughout my readings, I stumbled on these different terms: Group Key agreement, Group key Sharing, Group key distribution, and Group key establishment.

My question is the following: is there a meaningful difference between those different terms? because what I know is at the end, all members in the group should have the same key.

  • $\begingroup$ I think there used to be a minor note from some people in that for "agreement" all involved parties should be able to influence the key. I don't think this distinction is made anymore though. $\endgroup$
    – SEJPM
    Feb 13 '20 at 22:48

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