Analysis of Group Key Management Scheme Using Oneway Function Tree

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Provided by: International Journal of Applied Information Systems (IJAIS)
Topic: Security
Format: PDF
Many real time network applications like teleconferences, online gaming, video-on-demand, pay-per-view video streaming are based on group communications. These applications can be implemented by using secure multicast in which group communication is secured by encrypting/decrypting data stream with a cryptographic key. Due to dynamic nature of group, the group key is needed to be changed dynamically to maintain backward secrecy and forward secrecy. In case of frequent join/leave operations, rekeying process becomes major issue. In this paper, a novel scheme for multicast group key establishment has been developed by using one-way function tree of degree three.
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