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IEEE/ICACT20230044 Slide.09
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Initially, KDC generates random base number 𝑝 and produces (𝑝,𝑞)− Lucas polynomial. The chosen polynomial 𝐹_𝑛 (𝑥) and 𝑞 will be distributed to all SN in a group. Thus, the degree of polynomials does not depend on group size. Moreover, KDC also sends the current number of valid SNs 𝑁_𝑆𝑁. So that, KDC will broadcast 𝐾_𝑚={𝐹_𝑛 (𝑥), ¦§ 〖𝑞, 𝑁〗_𝑆𝑁 }¦© | |
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