Blockchain-Based Dynamic Group Key Agreement Protocol for Ad Hoc Network

【Author】 Zhang Qikun; Wang Bingli; Zhang Xiaosong; Yuan Junling; Wang Ruifang

【Source】CHINESE JOURNAL OF ELECTRONICS

【影响因子】1.019

【Abstract】Group key agreement (GKA) is one of the key technologies for ensuring information exchange security among group members. While GKA is widely used in secure multi-party computation, safety of resources sharing, and distributed collaborative computing. It still has some security flaws and limitations. We proposes a Blockchain-based dynamic Group key agreement (BDGKA) protocol. In contrast to prior works, BDGKA differs in several significant ways: 1) anonymous identity authenticationit can prevent privacy leaks; 2) traceability-it can track illegal operating entities; 3) load balancing-it balances computation and communication to each node, avoiding the breakdown of single-point and network bottlenecks. This protocol is proven secure under the hardness assumption of decision bilinear DiffieHellman. The performance analysis shows that it is more efficient than the referred works.

【Keywords】Dynamic group key agreement; Blockchain; Anonymous authentication; Information exchange

【发表时间】2020 MAY

【收录时间】2022-01-02

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