Weakness in Jung et al.'s ID-Based Conference Key Distribution Scheme(Protocol, <Special Section>Cryptography and Information Security)

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概要

• 論文の詳細を見る

• In 2000, Xu and Tilborg proposed an ID-based conference key distribution scheme which builds on earlier work of Harn and Yang in the 2-party setting. Recently, Jung et al. have discovered security flaws in the Xu-Tilborg scheme and proposed an improvement of this scheme to fix the security flaws. However, Jung et al.'s improvement introduces another security weakness. We demonstrate this by showing that the improved scheme is vulnerable to a parallel session attack mounted by two colluding adversaries. Further, we recommend changes to the scheme that address this vulnerability.

• 社団法人電子情報通信学会の論文
• 2006-01-01

著者

• NAM Junghyun

  Information Security Group, Sungkyunkwan University

• Won Dongho

  Information Security Group Sungkyunkwan University

• Won Dongho

  Sungkyunkwan Univ. Gyeonggi‐do Kor

• Won Dongho

  School Of Information And Communication Engineering Sungkyunkwan University

• NAM Junghyun

  School of Information and Communication Engineering, Sungkyunkwan University

• KIM Seungjoo

  School of Information and Communication Engineering, Sungkyunkwan University

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