Enhanced blockchain based key management scheme against key exposure attack. - Mingxin Ma; Xiaotong Yang; Guozhen Shi; Fenghua Li (AIIPCC, 2019)

Hierarchical Key Management Scheme with Multilevel Secure Access. - Mingxin Ma; Xiaotong Yang; Guozhen Shi; Fenghua Li (CyberC, 2019)

Privacy-Oriented Blockchain-Based Distributed Key Management Architecture for Hierarchical Access Control in the IoT Scenario. - Mingxin Ma; Guozhen Shi; Fenghua Li (IEEE Access, 2019)

Revocable Certificateless Public Key Encryption With Outsourced Semi-Trusted Cloud Revocation Agent. - Mingxin Ma; Guozhen Shi; Xinyi Shi; Mang Su; Fenghua Li (IEEE Access, 2020)