IEEE/ICACT20230044 Slide.10        [Big Slide]       [YouTube] Oral Presentation
This stage describes the session group key generation as Algorithm 2. For 𝑛 users in a group, each node receives polynomial 𝐹_𝑛(𝑥) and 𝑞 from KDC during initialization. The variable 𝑞 of 𝑥 is used to compute the value of the polynomial, which is called the session key .

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