计算机科学 ›› 2011, Vol. 38 ›› Issue (11): 43-47.

• 计算机网络与信息安全 • 上一篇    下一篇

身份认证可信度研究

张明德,郑雪峰,吕述望,张清国   

  1. (北京科技大学信息工程学院 北京100083) (信息安全国家重点实验室 北京100039)
  • 出版日期:2018-12-01 发布日期:2018-12-01

Research on Trust Degree of Authentication

ZHANG Ming-de,ZHENG Xue-feng,LV Shu-wang,ZHANG Qing-guo   

  • Online:2018-12-01 Published:2018-12-01

摘要: 身份认证过程存在很多不确定因素,导致认证服务的结果并不绝对可信;而现有研究成果主要集中在身份认证的某些方面,不具有通用性。基于对身份认证的形式化描述和其安全性的逻辑分析,将身份认证过程中不确定因素分为4个方面;通过引入信任分类、不可信因子和安全度,提出一种具有通用性的身份认证可信度计算方法;并对基于静态口令和数字证书的身份认证模型进行实例分析。

关键词: 身份认证,认证凭证,不可信因子,安全度,可信度

Abstract: There arc several uncertain factors in authentication procedure, so authentication services arc not absolutely credible. However existing researches focused on not whole but some aspects of authentication. Based on formalized description for authentication and logical analysis on security of authentication, uncertain factors in authentication procelure were divided into four categories. Meanwhile a common approach on trust degree of authentication was proposed through the introduction of trust classification,non-trust factor and security degree. Two examples were given to demonstratc how to use this approach.

Key words: Authentication, Authentication voucher, Non-trust factor, Security degree, Trust degree

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