A novel batch rekeying processor architecture for secure multicast key management

Authors:
Abdulhadi Shoufan;Sorin A. Huss;Murtuza Cutleriwala
Affiliations:
Integrated Circuits and Systems Lab, Technische Universitaet Darmstadt, Darmstadt, Germany;Integrated Circuits and Systems Lab, Technische Universitaet Darmstadt, Darmstadt, Germany;Integrated Circuits and Systems Lab, Technische Universitaet Darmstadt, Darmstadt, Germany
Venue:
HiPEAC'05 Proceedings of the First international conference on High Performance Embedded Architectures and Compilers
Year:
2005

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Abstract

The performance of secure multicast is based on an efficient group rekeying strategy which ensures that only authorized members have access to the content. In this paper a HW-solution for group rekeying is proposed. Besides the high performance guaranteed by pipelining and dynamic tree management, the Batch Rekeying Processor enables two modes of operation: real-time and batch rekeying. In addition, our solution uses a new strategy to keep the loss of QoS and access control caused by batching within system-specific limits.