NDLI: Cryptanalysis of Khan et al.'s dynamic ID-based remote user authentication scheme

Content Provider	IEEE Xplore Digital Library
Author	Chun-Ta Li Cheng-Chi Lee Chen-Ju Liu Chin-Wen Lee
Copyright Year	2010
Description	Author affiliation: Department of Information Management, Tainan University of Technology, 529 Jhonghheng Road, Tainan 71002, Taiwan, R.O.C. (Chun-Ta Li; Cheng-Chi Lee; Chin-Wen Lee) \|\| Department of Library and Information Science, Fu Jen Catholic University, 510 Jhongjheng Road, Taipei 24205, Taiwan, R.O.C. (Chen-Ju Liu)
Abstract	Recently, Khan et al. showed that Wang et al.'s dynamic ID-based remote user authentication scheme is not feasible for real-life implementations such as without preserving anonymity of a user during authentication, user cannot choose the password he/she wants, no provision for revocation of lost or stolen smart card, and can not provide session key agreement. Consequently, an improved version of dynamic ID-based remote user authentication scheme was proposed and claimed that it was now secure and of practical value. However, in this paper, we will show that user anonymity of Khan et al.'s scheme is not preserved and a registered user Uj can identify the login person Ui trying to login into the server. Furthermore, Khan et al.'s scheme suffers from insider attacks and the malicious insider can impersonate legal users to login into remote server.
Starting Page	1382
Ending Page	1387
File Size	280947
Page Count	6
File Format	PDF
ISBN	9781424481347
e-ISBN	9781424481361
DOI	10.1109/ISDA.2010.5687103
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-11-29
Publisher Place	Egypt
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computers Smart cards Dynamic ID Law Authentication Cryptanalysis User anonymity Remote user authentication Servers Cryptography
Content Type	Text
Resource Type	Article

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