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机译:Ciphertext-Policy Delegatable Hidden Vector Encryption and Its Application
Information Technology R&D Center, Mitsubishi Electric Corporation, Kamakura-shi, 247-8501 Japan;
Graduate School of Informatics and Engineering, The University of Electro-Communications, Chofu-shi, 182-8585 Japan;
hidden vector encryption; searchable encryption; pairing-based cryptography;