Cryptanalysis of the Tseng-Jan Anonymous Conference Key Distribution System Without Using A One-Way Hash Function

Publication Type:

Journal Article


Information & Security: An International Journal, Volume 15, Issue 1, p.110-114 (2004)


Conference Key Distribution System, cryptography, Discrete Logarithm., One-Way Hash Function, User Anonymity


This article mounts a conspiracy attack on the anonymous conference key distribution system without using a one-way hash function proposed by Tseng and Jan. The attack described in the article can reveal the participants’ common key shared with the chairperson.