Centralized group key management scheme for secure multicast communication without re-keying
Vinod Kumar, S.K. Pandey, Rajendra Kumar

TL;DR
This paper introduces a centralized group key management scheme for secure multicast that minimizes re-keying, computational, communicational, and storage costs while maintaining security, and supports efficient handling of multiple join/leave requests.
Contribution
It proposes a more efficient centralized key management scheme that balances security with minimal resource consumption and supports simultaneous group membership changes.
Findings
Reduces re-keying costs significantly.
Maintains security while lowering computational and storage overhead.
Supports large-scale join/leave requests efficiently.
Abstract
In the secure group communication, data is transmitted in such a way that only the group members are able to receive the messages. The main problem in the solution using symmetric key is heavy re-keying cost. To reduce re-keying cost tree based architecture is used. But it requires extra overhead to balance the key- tree in order to achieve logarithmic re-keying cost. The main challenging issue in dynamic and secure multimedia multicast communication is to design a centralized group key management scheme with minimal computational, communicational and storages complexities without breaching security issues. Several authors have proposed different centralized group key management schemes, wherein one of them proposes reducing communicational complexity but increases computational and storage costs however another proposes decreasing the computational and storage costs which eventually…
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Taxonomy
TopicsSecurity in Wireless Sensor Networks · Energy Efficient Wireless Sensor Networks · Chaos-based Image/Signal Encryption
