Breaking a Robust Remote User Authentication Scheme Using Smart Cards. - Ding Wang 002; Chunguang Ma; Sendong Zhao; Chang-li Zhou (NPC, 2012)

A Location Privacy Preserving Method Based on Sensitive Diversity for LBS. - Chang-li Zhou; Chunguang Ma; Songtao Yang; Peng Wu; Linlin Liu (NPC, 2014)

An Improved Fine-Grained Encryption Method for Unstructured Big Data. - Chang-li Zhou; Chunguang Ma; Songtao Yang (ICYCSEE, 2015)

A Voronoi-Based Location Privacy-Preserving Method for Continuous Query in LBS. - Chunguang Ma; Chang-li Zhou; Songtao Yang (Int. J. Distributed Sens. Networks, 2015)