supported by the National Natural Science Foundation of China(No.60803157,No.90812001,No.61272519)
The Online social networks (OSNs) offer attractive means for social interactions and data sharing, but also raise a number of security and privacy issues. Since the OSNs service provider is always semi-trusted, curr...
supported by the National Natural Science Foundation of China(60803157,90812001,61272519)
The online social networks(OSNs) offer attractive means for social interactions and data sharing, as well as raise a number of security and privacy issues. Although current solutions propose to encrypt data before s...
supported by the National Natural Science Foundation of China (60803157, 90812001, 61272519)
Cloud computing provides a convenient way of content trading and sharing. In this paper, we propose a secure and privacy-preserving digital rights management (DRM) scheme using homomorphic encryption in cloud comput...
supported by the National Natural Science Foundation of China (61121061, 90812001, 61272519)
Anonymous proxy signature scheme can provide the privacy protection for the proxy signer. Recently, Yu et al. proposed an anonymous proxy signature, which can be viewed as the organic combination of proxy signature an...
supported by the National Natural Science Foundation of China (60803157, 90812001, 61170271)
In order to solve the contradictions between user privacy protection and identity authentication, an anonymous authentication scheme under mobile Internet is proposed, which is based on the direct anonymous attestatio...