Review of key management technologies for trusted data spaces
1School of Cyberspace Security, Beijing Jiaotong University, Beijing 100044, China
2National Key Laboratory of Internet Architecture, Tsinghua University, Beijing 100084, China
3School of Information Engineering, Minzu University of China, Beijing 100081, China
4School of Automation, Guangdong University of Technology, Guangzhou 510006, China
5School of Computer Science and Technology, Anhui University of Technology, Maanshan 243032, China
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