Efficient and privacy-preserving similar electronic medical records query for large-scale ehealthcare systems

Chang Xu, Zijian Chan, Liehuang Zhu, Rongxing Lu, Yunguo Guan, Kashif Sharif

Abstract: Highlights•An efficient and privacy-preserving similar EMRs query scheme is proposed.•A novel privacy-preserving health symptom keywords match query protocol is designed.•Security analysis demonstrates the security of the proposed scheme.•Experimental simulations show the efficiency of the scheme.