Revocable Identity-Based Encryption Scheme Under LWE Assumption the Standard Model

被引：4

作者：

Zhang, Yaling ^{[1
]}

Wang, Shangping ^{[1
]}

Du, Qing ^{[2
]}

机构：

[1] Xian Univ Technol, Shaanxi Key Lab Network Comp & Secur Technol, Xian 710048, Shaanxi, Peoples R China

[2] Xian Univ Technol, Sch Sci, Xian 710048, Shaanxi, Peoples R China

来源：

IEEE ACCESS | 2018年 / 6卷

基金：

中国国家自然科学基金;

关键词：

Internet of Things; information security; encryption; lattices; ATTRIBUTE-BASED ENCRYPTION; SHORT CIPHERTEXTS; LATTICES;

D O I：

10.1109/ACCESS.2018.2855734

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A revocable identity-based encryption (IBE) scheme under learning with error (LWE) assumption from lattice is proposed; compared with the existing IBE schemes from lattices, two improvements are available in the new scheme. First, the revocation mechanism for identity of user (or thing) is added in the new scheme to manage the dynamic user (or thing) identity in the system, and making the IBE scheme from lattice becomes more practical than ever before. Second, the security of the new scheme is based on the LWE assumption from lattice, so our construction has a solid secure foundation. The scheme is proved to be secured against adaptive-ID attacks under LWE assumption from lattice in the standard model.

引用

页码：65298 / 65307

页数：10

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