[1]武萌,吴蒙. 防窃听的弱安全网络编码[J].计算机技术与发展,2014,24(10):167-169.
　WU Meng,WU Meng. A Weakly Secure Network Coding against Wiretap Attack[J].,2014,24(10):167-169.
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 防窃听的弱安全网络编码()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
24
期数:
2014年10期
页码:
167-169
栏目:
安全与防范
出版日期:
2014-10-10

文章信息/Info

Title:
 A Weakly Secure Network Coding against Wiretap Attack
文章编号:
1673-629X（2014）10-0169-03
作者:
 武萌; 吴蒙
 南京邮电大学
Author(s):
 WU Meng; WU Meng
关键词:
 ; 网络编码; 弱安全; 窃听网络
Keywords:
 ; network coding; weakly secure; network of wiretap
分类号:
TP309
文献标志码:
A
摘要:
 网络编码可以达到网络的最大理论多播容量,它的提出是通信领域的一项重要突破。在网络编码实际应用中,安全问题不可忽视。文中提出了一种防窃听的弱安全VSWNC算法。首先VSWNC要求信源信宿共享一个随机数生成器；其次信源端可用随机种子r在随机数生成器上生成一个范德蒙行列式P,随后用P对信源信息进行预编码处理；最后信宿端可通过r得到P从而正确解码。把VSWNC算法应用于随机网络编码中,在牺牲少量带宽的情况下能保证以概率1达到弱安全要求。
Abstract:
 Network coding can achieve the theoretical multicast capacity of a network,and it is an important breakthrough in communica-tion field. The security is an important issue when network coding is used in practical network. In this paper,provide a VSWNC algo-rithm,which is weakly secure network coding algorithm against wiretap attack. Firstly,in VSWNC algorithm the source and the destina-tion share a random number generator. Secondly,in source node,a Vandermonde determinant P is generated using random number r in the random number generator and source message can be pre-coded using matrix P. Finally,user node can decode correctly using matrix P a-chieving from r. Using VSWNC in random network coding,can achieve the weakly secure condition at probability of one with sacrificing a small amount of capacity.

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更新日期/Last Update: 2015-04-03