arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1602.01149cs.ITmath.IT
收藏

安全索引编码的存在与构造

Secure Index Coding: Existence and Construction

Lawrence Ong, Badri N. Vellambi, Phee Lep Yeoh, Jörg Kliewer, Jinhong Yuan

摘要:

研究了弱安全索引码的构造问题,该弱安全索引码允许发送者在存在窃听者的情况下向多个接收者发送带有边信息的消息。我们推导出一个充分和必要条件的索引码的存在是安全的,对窃听者访问的基数$t$的任何子集的消息,任何固定的$t$。在安全的网络编码中使用随机密钥的好处相比,我们证明了随机密钥不促进安全的三类索引编码实例。

英文摘要:

We investigate the construction of weakly-secure index codes for a sender to send messages to multiple receivers with side information in the presence of an eavesdropper. We derive a sufficient and necessary condition for the existence of index codes that are secure against an eavesdropper with access to any subset of messages of cardinality $t$, for any fixed $t$. In contrast to the benefits of using random keys in secure network coding, we prove that random keys do not promote security in three classes of index-coding instances.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑