隐藏认证的有条件不经意传输

隐藏认证的有条件不经意传输

赵春明;葛建华;李新国

西安电子科技大学综合业务网理论及关键技术国家重点实验室，陕西西安 710071

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2006-12-20 发布日期:2006-12-20

Hidden authentication conditional oblivious transfer

ZHAO Chun-ming;GE Jian-hua;LI Xin-guo

State Key Lab. of Integrated Service Networks, Xidian Univ., Xi’an 710071， China

Received:1900-01-01 Revised:1900-01-01 Online:2006-12-20 Published:2006-12-20

摘要/Abstract

摘要：

在不经意属性证书和隐藏证书的基础上提出了隐藏认证的有条件不经意传输，利用双线性对构造了一个具体方案，解决了不经意属性证书可能暴露接收者的某些敏感信息的问题．该方案有如下特点：只有持有特定属性证书的接收者才能打开与其属性值相对应的消息，而接收者不需要向发送者提供任何证书．发送者不能确定接收者是否能够打开消息也不能确定接受者打开的是哪个消息．

关键词: 不经意属性证书, 双线性对, 有条件不经意传输, 隐藏证书

Abstract:

Hidden authentication conditional oblivious transfer based on oblivious attribute credentials(OACerts) and hidden credentials is proposed and a scheme based on bilinear pairing for implementing the idea is constructed which solves the problem that OACerts may exposure some sensitive information of the receiver. The scheme proposed has the property that only the receiver who has the required attribute credentials can open the message corresponding to its attribute value and that the receiver need not provide to the sender any credentials. The sender can not decide whether or not the receiver can open the messages and which message he can open.

Key words: oblivious attribute credentials, bilinear pairing, conditional oblivious transfer, hidden credentials

中图分类号:

TP309

赵春明;葛建华;李新国. 隐藏认证的有条件不经意传输[J]. J4, 2006, 33(6): 849-852.

ZHAO Chun-ming;GE Jian-hua;LI Xin-guo. Hidden authentication conditional oblivious transfer[J]. J4, 2006, 33(6): 849-852.

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