On the security of Wu and Yeh's conference key distribution system

Tzonelih Hwang, Narn Yih Lee, Chih Hung Wang, Ming Yung Ko

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Abstract

In 1993, Wu and Yeh proposed a conference key distribution system based on cross-product operation on row vectors over the Galois Field GF(P). In this research note, we show that an opponent who knows the ID of a member in the conference can compute the conference key without knowing any secret from the system. Furthermore, we suggest a modified scheme to avoid this attack.

Original languageEnglish
Pages (from-to)978-981
Number of pages4
JournalComputer Communications
Volume18
Issue number12
DOIs
Publication statusPublished - 1995 Dec

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications

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