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树型散列在IP组播源认证中的应用

Application of Tree Hash in Source Authentication of IP Multicast
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摘要 针对流媒体数据在组播传输过程中的源认证问题,提出基于树型散列模型的解决方案。树型散列源认证是一种分摊数字签名开销的技术,将其应用到流媒体组播传输中,可以有效地提高认证的效率。给出一个包括数据发送方和数据接收方的完整实现流程以及可能出现情况的处理方法,并对.Net2.0平台涉及到的关键技术做了介绍。 For streaming multicast data transmission in the process of source authentication, this paper presents a solution based on hash tree model. Hash tree is a source certification cost-sharing digital signature technology, and its application to the multicast transmission of streaming media is an effective way to improve the efficiency of the certification. Based on theoretical study and a large number of experiments, it gives a full realization of the process, including sending and receiving data, as well as possible ways to deal with the situation, and does introduction on Net 2.0 platform involves the introduction of key technologies.
出处 《计算机工程》 CAS CSCD 北大核心 2009年第17期37-39,共3页 Computer Engineering
基金 河北省科技攻关计划基金资助项目(072135116)
关键词 组播 源认证 树型散列 数字签名 multicast source authentication tree hash digital signature
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