%0 Journal Article
%A Xixi Yan
%A Hao Ni
%A Yuan Liu
%A Dezhi Han
%T Privacy-preserving Multi-authority Attribute-based Encryption with Dynamic Policy Updating in PHR
%J Computer Science and Information Systems
%D 2019
%V 16
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CSIS_2019_16_3_a8/
%F CSIS_2019_16_3_a8