Three-Factor Anonymous Authentication and Key Agreement Scheme for Telecare Medicine Information Systems

2014 ◽  
Vol 38 (12) ◽  
Author(s):  
Hamed Arshad ◽  
Morteza Nikooghadam
Keyword(s):  
Information Systems ◽  
Key Agreement ◽  
Medicine Information ◽  
Telecare Medicine Information Systems ◽  
Authentication And Key Agreement ◽  
Anonymous Authentication ◽  
Three Factor

Security Analysis of Two Chaotic Maps-Based Authentication Scheme

2015 ◽  
Vol 740 ◽  
pp. 885-888 ◽  
Author(s):  
Chun Xia Du ◽  
Feng Tong Wen ◽  
Hao Lin
Keyword(s):  
Information Systems ◽  
Key Agreement ◽  
Chaotic Maps ◽  
Security Analysis ◽  
Authentication Scheme ◽  
Medicine Information ◽  
Telecare Medicine Information Systems ◽  
Authentication And Key Agreement ◽  
Security Properties

In a recent paper, Chang et al. proposed an authentication scheme for E-coupon systems and proved that their scheme can prevent a range of attacks. In this paper, we reanalyze the Chang et al.’ scheme and demonstrate that it cannot resist off-line password attack, masquerading shop attack and masquerading customer attack. Moreover, it cannot achieve two security properties that is anonymity and traceability. Meanwhile, Lee proposed an efficient chaotic maps-based authentication and key agreement scheme using smartcards for telecare medicine information systems. In the scheme, we find it also cannot resist off-line password attack, masquerading attack. Unfortunately, it resists an deadly error. So the scheme cannot run.

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