Skip to main content
. 2026 Jan 26;26(3):825. doi: 10.3390/s26030825
Phase 1: Setup—it is executed by KGC
Input: d security parameter
Output: w master secret key, U master public key, set of public parameter (spp)

  1. It chooses the master secret key in {1, 2, 3,……, q − 1}

  2. It defines the master public keys by the relation
    U = w . D (4)

  3. It chooses the set of public parameter (D, Ha, Hb, Hc, |Fq|, F1, F2, C, g)

  4. It keeps w secret and makes spp and U public to users