Time-bound Hierarchical Key Assignment: An Overview

• Main Authors: ZHU, Wen Tao, DENG, Robert H., Zhou, Jianying, Bao, Feng
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2010
• Subjects: information security; access control; time-bound hierarchical cryptographic key management; Information Security
• Online Access: https://ink.library.smu.edu.sg/sis_research/631; https://ink.library.smu.edu.sg/context/sis_research/article/1630/viewcontent/Time_bound_hierarchical_key_assignment.pdf
• Institution: Singapore Management University

The access privileges in distributed systems can be effectively organized as a partial-order hierarchy that consists of distinct security classes, and the access rights are often designated with certain temporal restrictions. The time-bound hierarchical key assignment problem is to assign distinct c...