Diffie-Hellman key distribution extended to group communication
CCS '96 Proceedings of the 3rd ACM conference on Computer and communications security
Iolus: a framework for scalable secure multicasting
SIGCOMM '97 Proceedings of the ACM SIGCOMM '97 conference on Applications, technologies, architectures, and protocols for computer communication
Secure group communications using key graphs
Proceedings of the ACM SIGCOMM '98 conference on Applications, technologies, architectures, and protocols for computer communication
Scalable multicast security in dynamic groups
CCS '99 Proceedings of the 6th ACM conference on Computer and communications security
Cryptography: Theory and Practice,Second Edition
Cryptography: Theory and Practice,Second Edition
On the Security of ElGamal Based Encryption
PKC '98 Proceedings of the First International Workshop on Practice and Theory in Public Key Cryptography: Public Key Cryptography
A survey of key management for secure group communication
ACM Computing Surveys (CSUR)
Secure multicast using proxy encryption
ICICS'05 Proceedings of the 7th international conference on Information and Communications Security
A secure unidirectional proxy re-encryption using identity and secret key exchange
Proceedings of the 47th Annual Southeast Regional Conference
A Multi-service Group Key Management Scheme for Stateless Receivers in Wireless Mesh Networks
Mobile Networks and Applications
Proxy encryption based secure multicast in wireless mesh networks
Journal of Network and Computer Applications
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Decentralized group key management mechanisms offer beneficial solutions to enhance the scalability and reliability of a secure multicast framework by confining the impact of a membership change in a local area. However, many of the previous decentralized solutions reveal the plain text to the intermediate relaying proxies,or require the key distribution center to coordinate secure group communications between subgroups. In this study, we propose a decentralized group key management scheme that features a mechanism allowing a service provider to deliver the group key to valid members in a distributed manner using the proxy cryptography. In the proposed scheme, the key distribution center is eliminated while data confidentiality of the transmitted message is provided during the message delivery process. The proposed scheme can support a secure group communication in dynamic network environments where there is no trusted central controller for the whole network and the network topology changes frequently.