NDLI: An authenticated group key transfer protocol using elliptic curve cryptography

Content Provider	Springer Nature Link
Author	Jaiswal, Priyanka Tripathi, Sachin
Copyright Year	2016
Abstract	Several groupware applications like e-conferences, pay-per view, online games, etc. require a common session key to establish a secure communication among the group participants. For secure communication, such applications often need an efficient group key establishment protocol to construct a common session key for group communications. Conventional group key transfer protocols depends on mutually trusted key generation center (KGC) to generate and distribute the group key to each participant in each session. However, those approaches require extra communication overheads in the server setup. This paper presents an efficient and secure group key transfer protocol using elliptic curve cryptography (ECC). The proposed protocol demonstrates a novel group key transfer protocol, in which one of the group member plays the role of KGC (the protocol without an online KGC, which is based on elliptic curve discrete logarithm problem (ECDLP) and Shamir’s secret sharing scheme. The confidentiality of the proposed protocol is ensured by Shamir’s secret sharing, i.e., information theoretically secure and provides authentication using ECDLP. Furthermore, the proposed protocol resists against potential attacks (insider and outsider) and also significantly reduces the overheads of the system. The security analysis section of the present work also justifies the security attributes of the proposed protocol under various security assumptions.
Starting Page	857
Ending Page	864
Page Count	8
File Format	PDF
ISSN	19366442
Journal	Peer-to-Peer Networking and Applications
Volume Number	10
Issue Number	4
e-ISSN	19366450
Language	English
Publisher	Springer US
Publisher Date	2016-02-10
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Group key transfer protocol Secret sharing Confidentiality Authentication Communications Engineering, Networks Information Systems and Communication Service Computer Communication Networks Signal,Image and Speech Processing
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Software

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