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    Extended chaotic map-based key management for hierarchical access control in e-medicine systems

    Hierarchical access control key management is a technique that involves grou** users into several categories such that each group has a distinct level of authority, thereby reducing the inconvenience that us...

    Tian-Fu Lee, I-Pin Chang, Jyun-Guo Wang in Peer-to-Peer Networking and Applications (2024)