期刊论文

Chen, Jiageng(jiageng.chen@mail.ccnu.edu.cn)

英文

Connection Science

0954-0091

2022

34

1

1654-1677

10.1080/09540091.2022.2077912

This work is funded by Central China NormalUniversity [grant/award number CCNU19TS017], Major Project of Scientific and Technological R&D of Hubei Agricultural Scientific and Technological Innovation Center [grant/award number 2020-620-000-002-03], and National Natural Science Foundation of China [grant/award numbers 61702212, 62172181, 62173157].

本校为第一机构

The outbreak of COVID-19 has brought great pain to people around the world. As an epidemic prevention and control measure, the health QR code (HC)has been designed to trace the confirmed cases and close contacts quickly. Although some existing health code schemes preserve the privacy, but most of them are either unsupported for fine-grained auditability or centralised health code storage. Therefore, we propose a multi-dimension traceable privacy-preserving HC scheme based on blockchain. It prevents health code information being tampered with an...