[1]贾仁庆,吴晓富,朱卫平. Cascade密钥协商的改进方案[J].计算机技术与发展,2016,26(11):97-100.
　JIA Ren-qing,WU Xiao-fu,ZHU Wei-ping. An Improved Scheme of Cascade Protocol[J].,2016,26(11):97-100.
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 Cascade密钥协商的改进方案()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
26
期数:
2016年11期
页码:
97-100
栏目:
安全与防范
出版日期:
2016-11-10

文章信息/Info

Title:
 An Improved Scheme of Cascade Protocol
文章编号:
1673-629X（2016)11-0097-04
作者:
 贾仁庆; 吴晓富; 朱卫平
 南京邮电大学 通信与信息工程学院
Author(s):
 JIA Ren-qing; WU Xiao-fu; ZHU Wei-ping
关键词:
 ; 物理层安全; Cascade协商; 交互次数; 效率
Keywords:
 ; physical layer security; Cascade; number of communications; efficiency
分类号:
TN918
文献标志码:
A
摘要:
 随着移动互联网业务的快速发展,无线通信安全已成为一个重要课题。近年来,无线密钥提取技术引起了研究者们的关注,通过无线密钥提取技术促使合法通信双方拥有大量的共享密钥,结合一次一密机制,使实现信息论意义上的绝对安全成为可能。密钥协商是提取物理层密钥的关键步骤。在众多的密钥协商方案中,Cascade协商方案由于能够高效地协商出一致的密钥而备受关注。然而,Cascade协商采用二分法进行纠错,在纠错的过程中需要通信双方不断交互校验信息,从而导致Cascade对网络延迟较为敏感。为了降低Cascade协商的交互次数,提出Cascade的一种改进方案,利用截止二分搜索方案进行密钥协商。实验仿真结果表明：所提方案可以在保证密钥协商效率的同时,有效降低了通信双方的交互次数。
Abstract:
 With the rapid development of mobile Internet services,information security for wireless communication is becoming a very im-portant research topic. Recently,there has been great interest in generating the shared secret key based on the physical layer security tech-niques,which could achieve the perfect secrecy combined with a one-time pad. Information reconciliation is a key step of secret key gen-eration. Cascade is the most famous reconciliation protocol duo to the high efficiency. However,Cascade is highly interactive protocol which makes it very sensitive to network latencies. In order to reduce the number of communications,a modifying strategy of Cascade is proposed by Abort-BINARY searching. Extensive simulation results show that the modifying strategy could ensure high efficiency of in-formation reconciliation and reduce the number of communications effectively.

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更新日期/Last Update: 2016-12-13