What is it about?
Wefirst propose a three-party group key distribution scheme. We then extend the basic three-party schemetoestablish a group key for a large size of group communications. one is based on the Key Derivation Functions (KDFs) and the other is arranging users in a full binary tree graph.
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Why is it important?
A novel design ofgroup key distribution using pre-shared pairwise keys is proposed; This design is lightweight and can be applied to any type of pairwise key distribution schemes; Two generalized group key distribution schemes for a larger size ofusers are also included
Perspectives
Our generalized multi-party group key distribution schemes are non-interactive, efficient and lightweight. The main operations in our schemes are key comparison between two or more than two keys and the computation of KDFs. It is lightweight.
Chingfang Hsu
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This page is a summary of: Lightweight Group Key Distribution Schemes Based on Pre-Shared Pairwise Keys, IET Communications, May 2020, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/iet-com.2019.1345.
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