Journal of Computer Applications ›› 2005, Vol. 25 ›› Issue (11): 2509-2511.

• Network and distributed techno • Previous Articles     Next Articles

Action of one-way function in public-key authentication protocols

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  1. Institute of Network Security,Shandong University,Jinan Shandong 250100,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2005-11-01 Published:2005-11-01

单向函数在公钥认证协议中的作用

赵华伟李大兴   

  1. 山东大学网络信息安全研究所
  • 基金资助:

    国家973规划项目(G1999035802)

Abstract: Based on the research of public-key authentication protocols,its error to design the kind of protocols using confidential serivce was pointed out.An extended BAN logic was proposed.Two improved public-key authentication protocols were analysed by the extended logic.It shows that one-way function offers the necessary secure services for public-key authentication protocols.

Key words: BAN logic, one-way function, public-key authentication protocols

摘要: 对认证协议进行了研究,指出采用保密服务是设计认证协议是一种安全服务的误用,存在两种潜在的安全隐患。针对带密钥的单向函数提出了一种扩展的BAN逻辑。利用该逻辑对两种改进的公钥认证协议进行形式化分析,说明带密钥的单向函数所提供的两种安全服务能够保证公钥认证协议的安全。

关键词: BAN逻辑, 单向函数, 公钥认证协议

CLC Number: