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组播以其独特的优势，在网络通信方面的应用越来越广泛，但随之而来的就是安全问题，其中密钥管理是最基本的问题之一。本文研究了安全组播中的密钥管理问题。介绍了现有的两种主要解决方案，即SKDC方案和密钥树管理方案，并分析了它们的不足之处，指出基于密钥树的研究方向，在此基础上提出基于Huffman密钥分级树的密钥管理方案，将布尔函数的分析方法运用其中使管理简便化。并对该方案的性能从密钥管理的存储空间和密钥刷新通信量两个方面，给出了相应的分析。-Multicast With its unique advantages in the communication network is widely applied, but the attendant security issues, key management is the most basic one of the problems. This paper studies the security Multicast key management issues. Of the two main existing solutions, and key programs SKDC tree management program analysis of their deficiencies, that the tree on the key directions of research on this basis based on the classification tree Huffman key Key Management Program, Boolean function of the analytical method which enable the use of simple. Program and the performance of key management from the storage space and traffic Key set two, given the corresponding analysis.

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该压缩文件有一些经典插值c语言版的源程序-The compressed file has a number of classical interpolation c language version of the source

严蔚敏《数据结构（C语言版）习题集》答案习题答案-Yan Wei-Min " data structure (C language version) Problem Set" The answer Exercises Answer

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深入浅出Windows MFC程序设计,对MFC初学者有很大帮助-Explain the profound theory for Windows MFC design program in simple terms , help to MFC this book is of value greatly to benbeginner ..

FPGA设计中关键问题的研究-FPGA design research on key issues

精通MFC程序设计 第十四章源码，文件操作，适合初学者研究使用。-Proficient in MFC programming XIV source, document operations, suitable for beginners study.

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思科路由器常用配置命令大全(A-X).-used Cisco router configuration order Daquan (A-X).