Key-exposure resilient integrity auditing scheme with encrypted data deduplication

被引：0
|
作者：
Zhang X. [1 ]
Li C. [2 ]
Liu Z. [2 ]
机构：
[1] School of Science, Xi'an Technological University, Xi'an
[2] School of Mathematics and Statistics, Xidian University, Xi'an
来源：
Tongxin Xuebao/Journal on Communications | 2019年 / 40卷 / 04期
基金：
国家重点研发计划; 中国国家自然科学基金;
关键词：
Client-side deduplication; Cloud storage; Encrypted data; Integrity auditing; Key-exposure resilient;
D O I：
10.11959/j.issn.1000-436x.2019076
中图分类号：
学科分类号：
摘要：
For the problems of key-exposure, encrypted data duplication and integrity auditing in cloud data storage, a public auditing scheme was proposed to support key update and encrypted data deduplication. Utilizing Bloom filters, the proposed scheme could achieve client-side deduplication, and guaranteed that the key exposure in one time period didn't effect the users’ private key in other time periods. The proposed scheme could solve the conflict between key-exposure resilient and encrypted data deduplication in public auditing scheme for the first time. Security analysis indicates that the proposed scheme is strong key-exposure resilient, confidentiality, detectability, and unforgeability of authentication tags and tokens under the computation Diffie-Hellman hardness assumption in the random oracle model. © 2019, Editorial Board of Journal on Communications. All right reserved.
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页码：95 / 106
页数：11
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