A Lightweight Dynamic Multicast Authentication Scheme

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Provided by: The International Conference on Parallel and Distributed Computing, Applications and Technologies (PDCAT)
Topic: Security
Format: PDF
Multicast is a very common communication mode in current networks. A security mechanism for multicast is not only the measure to ensure secure communications but also the precondition for other security services. Based on the analysis of Nyberg's fast one-way accumulator and its security, the authors discover its property of absorbency (besides the one-way and quasi-communicative properties), which makes it very suitable for applications in which accumulated items are dynamic. In this paper, they improve the original Nyberg's fast one-way accumulator, based on which, they construct a lightweight dynamic multicast authentication algorithm for small-scale group-based applications.
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