机译:基于密码的Contional属性的加密带有短键
Services;
Computing;
Technology;
and;
System;
Lab;
Cluster;
and;
Grid;
Computing;
Lab;
School;
of;
Computer;
Science;
and;
Technology;
Huazhong;
University;
of;
Science;
and;
Technology;
Wuhan;
430074;
China;
属性映射; 密文; 加密; 可证明安全性; 秘密密钥; 可扩展性; 组合方法; 哈希函数;