Secure broadcasting in large networks

  • Authors:
  • Hung-Min Sun;Shiuh-Pyng Shieh

  • Affiliations:
  • Department of Information Management, Chaoyang University of Technology, Wufeng, Taichung County, Taiwan 413, Republic of China;Department of Computer Science and Information Engineering, National Chiao Tung University, Hsinchu,Taiwan 30050, Republic of China

  • Venue:
  • Computer Communications
  • Year:
  • 1998

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Abstract

It is common that users or hosts in a large network are partitioned and organized as a hierarchical tree where children of the same parent form a group. Secure broadcasting intends to provide a secure communication channel from a sending principal to a group of legal receiving principals. Only legal receiving principals can decrypt the message, and illegal receiving principals cannot acquire any information from the broadcasted message. In this paper, we propose a secure broadcasting protocol in which only one packet is transmitted for every broadcast, and the size of the broadcasted packet is small.