대한전자공학회:학술대회논문집 (Proceedings of the IEEK Conference)
- 대한전자공학회 2004년도 ICEIC The International Conference on Electronics Informations and Communications
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- Pages.152-154
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- 2004
Cryptanalysis Of Two Remote User Authentication Schemes Using Smart Cards
- Yoon Eun-Jun (Department of Computer Engineering, Kyungpook National University) ;
- Ryu Eun-Kyung (Department of Computer Engineering, Kyungpook National University) ;
- Jo Young-Woo (Department of Computer Engineering, Kyungpook National University) ;
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Yoo Kee-Young
(Department of Computer Engineering, Kyungpook National University)
- 발행 : 2004.08.01
초록
In 2004, Ku-Chen proposed an improvement to Chien et al.'s scheme to prevent from some weaknesses. Lee et al. also proposed an improvement to Chien et al.'s scheme to prevent from parallel session attack. This paper, however, will demonstrate that Ku-Chen's scheme is still vulnerable to the parallel session attack and Lee et al.'s scheme is also vulnerable to masquerading server attack.