IEICE Trans - Security Analysis of a Nonce-Based User Authentication Scheme Using Smart Cards

Security Analysis of a Nonce-Based User Authentication Scheme Using Smart Cards

Junghyun NAM
Seungjoo KIM
Sangjoon PARK
Dongho WON

Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Vol.E90-A No.1 pp.299-302
Publication Date: 2007/01/01
Online ISSN: 1745-1337
DOI: 10.1093/ietfec/e90-a.1.299
Print ISSN: 0916-8508
Type of Manuscript: LETTER
Category: Information Security
Keyword:
distributed system, authentication scheme, password, smart card, parallel session attack, denial of service attack,

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Summary:
A remote user authentication scheme is a two-party protocol whereby an authentication server in a distributed system confirms the identity of a remote individual logging on to the server over an untrusted, open network. Recently, Lee et al. have proposed an efficient nonce-based scheme for remote user authentication using smart cards. This work reviews Lee et al.'s authentication scheme and provides a security analysis on the scheme. Our analysis shows that Lee et al.'s scheme does not achieve its basic aim of authenticating remote users and furthermore has a very hazardous method for changing passwords. In addition, we recommend some changes to the scheme so that it can attain at least its main security goal.

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