7.6.2 Participant Key Generation
When any participant i joins the meeting, whether before or after it starts, and whether the leader or not, it performs the following operations:
Generates new public-key ephemeral encryption key pair: (pki , ski) = Box.KeyGen().
Queries the Zoom infrastructure for the server-generated meetingUUID for this in
stance of this meeting; this is server-generated per-meeting-instance randomness that the individual participants cannot control. 3. Computes Bindingi ← (meetingIDkmeetingUUIDkikhardwareIDkIVKikpki ). 4. Defines Context ← "Zoombase-1-ClientOnly-Sig-EncryptionKeyAnnouncement". 5. Computes Sigi ← Sign.Sign(ISKi , Context, Bindingi ) 6. Stores ski for the duration of the meeting. 7. Posts Sigi and pki to the bulletin board, so that all participants can see it.
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