A secure searchable encryption scheme for cloud using hash-based indexing

被引:16
作者
Andola, Nitish [1 ]
Prakash, Sourabh [3 ]
Yadav, Vijay Kumar [2 ]
Raghav [3 ]
Venkatesan, S. [3 ]
Verma, Shekhar [3 ]
机构
[1] Jaypee Inst Informat Technol, Comp Sci & Engn & Informat Technol, Noida, India
[2] Bennett Univ, Dept Comp Sci Engn, Greater Noida 201310, India
[3] Indian Inst Informat Technol Allahabad, Dept Informat Technol, Network Secur & Cryptog Lab, Allahabad 211012, Uttar Pradesh, India
关键词
Cloud; Data security; Homomorphic encryption; Keyword indexing; Searchable encryption; KEYWORD RANKED SEARCH; EFFICIENT; ISSUES;
D O I
10.1016/j.jcss.2021.12.004
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
Cloud service for data outsourcing has triggered security and privacy needs that can be satisfied by encrypting data prior to outsourcing to the cloud. Searchable Encryption that uses methods like homomorphic encryption is inefficient and impractical. In this paper, we have proposed a secure searchable encryption scheme using Hash based Indexing that consists of Elliptic curve based ElGamal additive homomorphic encryption. The use of indexing reduces computational load on the cloud server and users. The scheme obviates the need for generation and resource intensive processing on complex trapdoor system and binary query scheme. The security of this system relies on the Elliptic curve discrete logarithm problem assumption. Comparison analysis is performed and experimental results prove the suitability for the large data sets, while efficiently supporting the dynamic updates and effective ranking of precise files corresponding to the requested multi keywords. (C)& nbsp;2022 Elsevier Inc. All rights reserved.
引用
收藏
页码:119 / 137
页数:19
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