ID-Based Strong Designated Verifier Signature over R-SIS Assumption

Author:

Cai Jie1ORCID,Jiang Han2ORCID,Zhang Pingyuan1ORCID,Zheng Zhihua3,Wang Hao3ORCID,Lü Guangshi1,Xu Qiuliang2

Affiliation:

1. School of Mathematics, Shandong University, Ji’nan, Shandong, China

2. School of Software, Shandong University, Ji’nan, Shandong, China

3. School of Information Science and Engineering, Shandong Normal University, Ji’nan, Shandong, China

Abstract

In this paper, we propose an ID-based strong designated verifier signature (SDVS) over R-SIS assumption in the random model. We remove pre-image sampling function and Bonsai trees such complex structures used in previous lattice-based SDVS schemes. We only utilize simple rejection sampling to protect the security of our scheme. Hence, we will show our design has the shortest signature size comparing with existing lattice-based ID-based SDVS schemes. In addition, our scheme satisfies anonymity (privacy of signer’s identity) proved in existing schemes rarely, and it can resist side-channel attacks with uniform sampling.

Funder

National Natural Science Foundation of China

Publisher

Hindawi Limited

Subject

Computer Networks and Communications,Information Systems

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