A Fuzzy IBE Scheme with Attribute Timeliness
2018 IEEE 16th Intl Conf on Dependable, Autonomic and Secure Computing, 16th Intl Conf on Pervasive Intelligence and Computing, 4th Intl Conf on Big Data Intelligence and Computing and Cyber Science and Technology Congress(DASC/PiCom/DataCom/CyberSciTech)(2018)
摘要
An identity-based encryption scheme with timeliness and weighted values is presented in this paper. For a user, he always has several attributes of his identity. Data provider sets the timeliness of every attribute and different weight according to the importance of attributes of each identity. Even if some data consumers possess the attributes satisfying the ciphertext policy, only those consumers who have attributes in valid time range and have more attributes of greater weighted value can actually get access to the data. The proposed scheme is versatile to be used for obtaining quality customer various in the social networks service environments of voting, friends making and subscribe service.
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关键词
Fuzzy IBE,Timeless,weighted value,Lagrange interpolation
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