Lattice-Based IBE with Equality Test Supporting Flexible Authorization in the Standard Model

被引：12

作者：

Nguyen, Giang Linh Duc ^{[3
]}

Susilo, Willy ^{[1
]}

Dung Hoang Duong ^{[1
]}

Huy Quoc Le ^{[1
,2
]}

Guo, Fuchun ^{[1
]}

机构：

[1] Univ Wollongong, Sch Comp & Informat Technol, Inst Cybersecur & Cryptol, Northfields Ave, Wollongong, NSW 2522, Australia

[2] CSIRO Data61, Sydney, NSW, Australia

[3] Futurify Software Dev, 17 St 2,Ward 4,Dist 3, Ho Chi Minh City, Vietnam

来源：

PROGRESS IN CRYPTOLOGY - INDOCRYPT 2020 | 2020年 / 12578卷

基金：

澳大利亚研究理事会;

关键词：

Identity-based encryption; Equality test; Flexible authorization; Lattice-based cryptography; Learning with errors; IDENTITY-BASED ENCRYPTION; PUBLIC-KEY ENCRYPTION;

D O I：

10.1007/978-3-030-65277-7_28

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Identity-based encryption with equality test supporting flexible authorization (IBEET-FA) allows the equality test of underlying messages of two ciphertexts while strengthens privacy protection by allowing users (identities) to control the comparison of their ciphertexts with others. IBEET by itself has a wide range of useful applicable domain such as keyword search on encrypted data, database partitioning for efficient encrypted datamanagement, personal health record systems, and spam filtering in encrypted email systems. The flexible authorization will enhance privacy protection of IBEET. In this paper, we propose an efficient construction of IBEET-FAsystem based on the hardness of learning with error (LWE) problem. Our security proof holds in the standard model.

引用

页码：624 / 643

页数：20

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