scholarly journals Mobile Agent Security Based on Mutual Authentication and Elliptic Curve Cryptography

Mobile agent system is a satisfying solution for the implementation and maintenance of applications distributed over large-scale networks, this solution is very used in solving complex problems since they are autonomous, Intelligent, robust and faulttolerant. Mobile agents have the capacity to migrate from one node to another all over the network allowing reduction in communication costs. Although they possess all these advantages, using them in distributed environment increases the threat to mobile agent security and during their mobility they can face different types of attacks such as of attacks like Replay attack, man-in-the-middle attack, Cookie theft attack, Offline password guessing attack, Stolen-verifier attack. In this paper we investigate the security of distributed mobile agent system. We propose a solution based on a secure Elliptic Curve Cryptography (ECC) protocol to ensure mutual authentication and protect the agent from different known attacks. The implementation of the proposed solution is obtained using Java Agent Development Framework (JADE). Also, Binary serialization is used to establish a flexible portability of the agent. Finally, we present security and performance analysis, for our solution to secure mobile agent in distributed systems.

Author(s):  
Amrani Ayoub ◽  
Rafalia Najat ◽  
Abouchabaka Jaafar

<span>Cloud Computing and the Internet of Things (IoT), two different technologies, are already part of our lives. Their impressive adoption increasing more and more, which makes them the future of the future internet. The tsunami of interconnectivity between objects and data collection is increasingly based on Cloud Computing, where data analysis and intelligence really reside. A new paradigm where the Cloud and the IoT are merged will create a new air in the world of technology, which can offer many services and applications useful to humanity. However, despite the great benefits that can bring this technology in term of new services, elasticity and flexibility, the security aspect still remains a serious constraint which hampers the expansion of this technology. This paper proposes a lightweight Mutual authentication protocol based on Constrained Application Protocol (CoAP); that is suitable for IoT devices than HTTP and using elliptic curve cryptography to secure data transmission between the Cloud and devices. We used the AVISPA tool to verify our proposed scheme.</span>


2020 ◽  
Vol 2020 ◽  
pp. 1-11
Author(s):  
Yousheng Zhou ◽  
Xinyun Chen

Session initiation protocol (SIP), a widely used signal protocol for controlling multimedia communication sessions, is under numerous attacks when performing the authentication steps between the user and server. So secure authentication schemes are needed to be presented for SIP. Recently, Arshad et al. advanced novel schemes for SIP using elliptic curve cryptography (ECC) and claimed their schemes can resist various attacks. However, Lu et al. found that Arshad et al.’s scheme cannot resist trace and key-compromise impersonation attacks; hence, it cannot provide proper mutual authentication. Meanwhile, an enhanced scheme was advanced by Lu et al. and they stated that their scheme can stand up to possible known attacks. Nevertheless, in this paper, we conclude that Arshad and Nikooghadam’s scheme is insecure against impersonation attack and Lu et al.’s scheme is still vulnerable to impersonation attack. To overcome these weaknesses of their schemes, we present a novel anonymous ECC-based scheme for SIP. Security analysis and performance analysis show that our proposed scheme can resist various known attacks and efficient in the meantime.


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