Cryptanalysis of a remote user authentication scheme using smart cards

We present a cryptanalysis of a remote user authentication scheme proposed by Hwang and Li (see ibid., vol.46, no.1, p.28-31, 2000). We show that Hwang-Li's scheme is breakable. A legitimate user can impersonate other legal users and pass the system authentication.

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Bibliographic Details
Published in:IEEE transactions on consumer electronics 2000-11, Vol.46 (4), p.992-993
Main Authors: Chi-Kwong Chan, Cheng, L.M.
Format: Article
Language:English
Subjects:
Authentication
Cryptography
Delay systems
Electronics
Galois fields
Information security
Law
Legal
Legal factors
Random number generation
Smart cards
System testing
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Description
Summary:We present a cryptanalysis of a remote user authentication scheme proposed by Hwang and Li (see ibid., vol.46, no.1, p.28-31, 2000). We show that Hwang-Li's scheme is breakable. A legitimate user can impersonate other legal users and pass the system authentication.
ISSN:0098-3063
1558-4127
DOI:10.1109/30.920451