计算机科学 ›› 2015, Vol. 42 ›› Issue (2): 123-126.doi: 10.11896/j.issn.1002-137X.2015.02.026

• 信息安全 • 上一篇    下一篇

支持敏感属性保护的ABS-OSBE协议

张斌,李冬辉,熊厚仁,费晓飞   

  1. 解放军信息工程大学 郑州450001,解放军信息工程大学 郑州450001,解放军信息工程大学 郑州450001,解放军信息工程大学 郑州450001
  • 出版日期:2018-11-14 发布日期:2018-11-14
  • 基金资助:
    本文受河南省基础研究计划项目(142300413201)资助

ABS-OSBE Protocol Supporting Sensitive Attributes Protection

ZHANG Bin, LI Dong-hui, XIONG Hou-ren and FEI Xiao-fei   

  • Online:2018-11-14 Published:2018-11-14

摘要: 针对基于属性访问控制模型中敏感属性容易泄露的问题,提出了基于属性签名的无记忆签名信封(ABS-OSBE)协议。ABS-OSBE协议使用基于属性的签名机制,给出属性协商双方交互信息时所使用的参数计算方法,以确保只有满足属性访问树结构的用户才能通过计算,从而获得敏感属性。通过扩展属性的描述方式,验签者定义的属性访问树结构能支持描述“非”关系。给出了“非”关系的匹配规则,最后证明了ABS-OSBE协议的安全性。

关键词: 敏感属性,ABS,OSBE,访问树

Abstract: In order to protect the sensitive attribute in attribute-based access control,an ABS-based OSBE protocol was put forward.ABS-OSBE protocol integrates the ABS algorithm into OSBE,and provides the computational method to both attribute negotiated sides for exchanging information,ensuring the users that meet the access tree structure can obtain sensitive attributes.By extending the description of attributes,the access tree structure can exactly describe “NOT” threshold.A matching method of “NOT” threshold was proposed.Finally,the security of ABS-OSBE protocol was de-monstrated.

Key words: Sensitive attributes,ABS,OSBE,Access tree

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