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From the proposed method, the performance analysis of memory overhead and communication overhead are 1. In this case, Memory overhead is the number of the secret keys needed to be stored in each SN. Our scheme only produce 1 secret key that needed to store. Communication overhead is the number of keying information exchange to compute the group key. Our schemes only need one keying information exchange to compute the group key. The secret input 𝑠_𝑖 is distributed to all SNs in a group network and makes this scheme efficient.
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