The Password Change Phase Is Still Unsecure

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Jan 2004Embargo end date: 01 Sep 2004Publisher:ZenodoJournal:CoRR, volume cs.CR/0409004

Authors: Manoj Kumar;

doi: 10.5281/zenodo.839117 , 10.5281/zenodo.839116 , 10.48550/arxiv.cs/0409004

arXiv: cs/0409004

The Password Change Phase Is Still Unsecure

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Abstract

In 2004, W. C. Ku and S. M. Chen proposed an efficient remote user authentication scheme using smart cards to solve the security problems of Chien et al.'s scheme. Recently, Hsu and Yoon et al. pointed out the security weaknesses of the Ku and Chen's scheme Furthermore, Yoon et al. also proposed a new efficient remote user authentication scheme using smart cards. Yoon et al. also modified the password change phase of Ku and Chen's scheme. This paper analyzes that password change phase of Yoon et al's modified scheme is still insecure.

10 Pages, This work is related to the remote user authentication scheme with smart cards

Keywords

FOS: Computer and information sciences, C.3, Cryptography and network security, Computer Science - Cryptography and Security, 2 Cryptography, Authentication, Smart cards, Password, Security attacks., Cryptography and Security (cs.CR)

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