More robust private information retrieval scheme

被引：0

作者：

Chen, Chun-Hua ^{[1
,2
]}

Horng, Gwoboa ^{[1
]}

机构：

[1] Natl Chung Hsing Univ, Inst Comp Sci, 250 Kuo Kuang Rd, Taichung 40227, Taiwan

[2] Chien Kuo Technol Univ, Dept Elect Engn, Changhua, Taiwan

来源：

SECRYPT 2006: PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON SECURITY AND CRYPTOGRAPHY | 2006年

关键词：

private information retrieval (PIR); mutual authentication; DSA algorithm; secure coprocessor (SC);

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

In e-commerce, the protection of users' privacy from a server was not considered feasible until the private information retrieval (PIR) problem was stated and solved. A PIR scheme allows a user to retrieve a data item from an online database while hiding the identity of the item from a database server. In this paper, a new PIR scheme using a secure coprocessor (SC) and including mutual authentication by DSA signature algorithm for protecting the privacy of users, is proposed. Because of using only one server and including the mutual authentication process in the proposed scheme, it is more efficient and more robust (secure) in the real e-commerce environment compared with previous PIR solutions. In addition, a security analysis (proof) for the proposed scheme and comparisons to other PIR schemes are given.

引用

页码：297 / +

页数：2

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