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International Journal of Communication Systems

An anonymous and untraceable password‐based authentication scheme for session initiation protocol using smart cards

Mohammad Sabzinejad Farash, Mahmoud Ahmadian‐Attari

Published Oct 5, 2014• 32 citations
Publisher

Abstract

Summary Recently, Zhang et al. proposed a password‐based authenticated key agreement for session initiation protocol (Int J Commun Syst 2013, doi:10.1002/dac.2499). They claimed that their protocol is secure against known security attacks. However, in this paper, we indicate that the protocol by Zhang et al. is vulnerable to impersonation attack whereby an active adversary without knowing the user's password is able to introduce himself/herself as the user. In addition, we show that the protocol by Zhang et al. suffers from password changing attack. To overcome the weaknesses, we propose an improved authentication scheme for session initiation protocol. The rigorous analysis shows that our scheme achieves more security than the scheme by Zhang et al. Copyright © 2014 John Wiley & Sons, Ltd.

DOI
10.1002/dac.2848

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•Jan 1, 2015•0 citations
Summary Recently, Zhang et al. proposed a password‐based authenticated key agreement for session initiation protocol (Int J Commun Syst 2013, doi:10.1002/dac.2499). They claimed that their protocol is secure against known security attacks. However, in this paper, we indicate that the protocol by Zhang et al. is vulnerable to impersonation attack whereby an active adversary without knowing the user's password is able to introduce himself/herself as the user. In addition, we show that the protocol by Zhang et al. suffers from password changing attack. To overcome the weaknesses, we propose an improved authentication scheme for session initiation protocol. The rigorous analysis shows that our scheme achieves more security than the scheme by Zhang et al. Copyright © 2014 John Wiley & Sons, Ltd.
Summary As the core signaling protocol for multimedia services, such as voice over internet protocol, the session initiation protocol (SIP) is receiving much attention and its security is becoming increasingly important. It is critical to develop a roust user authentication protocol for SIP. The original authentication protocol is not strong enough to provide acceptable security level, and a number of authentication protocols have been proposed to strengthen the security. Recently, Zhang et al. proposed an efficient and flexible smart‐card‐based password authenticated key agreement protocol for SIP. They claimed that the protocol enjoys many unique properties and can withstand various attacks. However, we demonstrate that the scheme by Zhang et al. is insecure against the malicious insider impersonation attack. Specifically, a malicious user can impersonate other users registered with the same server. We also proposed an effective fix to remedy the flaw, which remedies the security flaw without sacrificing the efficiency. The lesson learned is that the authenticators must be closely coupled with the identity, and we should prevent the identity from being separated from the authenticators in the future design of two‐factor authentication protocols. Copyright © 2014 John Wiley & Sons, Ltd.
SUMMARY Providing a suitable key agreement protocol for session initiation protocol is crucial to protecting the communication among the users over the open channel. This paper presents an efficient and flexible password authenticated key agreement protocol for session initiation protocol associated with Voice over Internet Protocol. The proposed protocol has many unique properties, such as session key agreement, mutual authentication, password updating function and the server not needing to maintain a password or verification table, and so on. In addition, our protocol is secure against the replay attack, the impersonation attack, the stolen‐verifier attack, the man‐in‐the‐middle attack, the Denning–Sacco attack, and the offline dictionary attack with or without the smart card. Copyright © 2013 John Wiley & Sons, Ltd.
Summary Two‐factor user authentication scheme allows a user to use a smart card and a password to achieve mutual authentication and establish a session key between a server and a user. In 2012, Chen et al . showed that the scheme of Sood et al . does not achieve mutual authentication and is vulnerable to off‐line password guessing and smart card stolen attacks. They also found that another scheme proposed by Song is vulnerable to similar off‐line password guessing and smart card stolen attacks. They further proposed an improved scheme. In this paper, we first show that the improved scheme of Chen et al . still suffers from off‐line password guessing and smart card stolen attacks, does not support perfect forward secrecy, and lacks the fairness of session key establishment. We then propose a new security‐enhanced scheme and show its security and authentication using the formal verification tool ProVerif, which is based on applied pi calculus. Copyright © 2014 John Wiley & Sons, Ltd.
SUMMARY A dynamic user authentication scheme allows a user and a remote server to authenticate each other without leaking the user's identity. In 2011, Wen and Li proposed an improved dynamic ID‐based remote user authentication with key agreement scheme for mobile and home networks. They claimed that their scheme was more secure than the scheme of Wang et al. However, we demonstrate that their scheme is vulnerable to the privileged insider, off‐line password guessing, impersonation, and server spoofing attacks. At the same time, it does not provide any user anonymity and forward secrecy property. Thus, it is not feasible for real‐life implementation.Copyright © 2012 John Wiley & Sons, Ltd.
In recent years, the Internet of things (IoT) has become an encouraging communication paradigm that has numerous applications including smart city, smart home and intelligent transportation system. The information sensed by several IoT smart devices can be security stored at the (cloud) servers. An external user, being a client, can access the services from a server for the sensing information, provided that a mutual authentication happens among them. Using the established session key among the user and the server, encrypted information with the help of session key can be delivered to the user by the server securely. Recently, Rana et al. proposed a smart-card based remote user authentication scheme using user password. In this comment paper, we carefully analyzed the scheme of Rana et al. and tracked down that their scheme is insecure against serious attacks, including stolen smart card attack, privileged-insider attack, user impersonation attack, password change attack and Ephemeral Secret Leakage (ESL) attack. Furthermore, their scheme does not preserve untraceability feature. To remedy these security pitfalls, we also provide some remedies that can help in building more secure and effective user authentication scheme to apply in securing next generation IoT infrastructure.
Summary. In 2012, Wen and Li proposed a secure and robust dynamic identity based remote user au-thentication scheme with key agreement using smart cards. They claimed that their scheme is efficient and secure. But in this paper, we demonstrate that their scheme is completely insecure and vulnerable to various known attacks like offline and online password guessing attack, impersonation attack, server mas-querading attack, denial of service attack and an insider attack. Also we point out that there are loopholes in password change phase and online secret renew phase which leads to the desynchronization between user and the server and even the legitimate user is rejected by the server. In addition, an adversary can easily generate the common session key of further transmission between user and the server. Thus the entire system collapses and authors claims are proven to be wrong and their scheme will not be secure and efficient for practical purpose.