One enhanced secure access scheme for outsourced data

• Yongkai FanState Key Laboratory of Media Convergence and Communication
• Jiaxu LiuState Key Laboratory of Media Convergence and Communication
• Kuan‐Ching LiProvidence University
• Wei LiangHunan University
• Xia LeiState Key Laboratory of Media Convergence and Communication
• Gan TanPennsylvania State University
• Mingdong TangGuangdong University of Foreign Studies