A New Privacy-Preserving Broadcast Encryption Scheme from DPVS


In this paper, we consider the privacy-preserving problem in the context of broadcast encryption. We provide a security definition for privacy-preserving broadcast encryption, and construct a new scheme. To achieve privacy-preserving, we blind the cipher texts using the random factors. Moreover, we use a pair of orthonormal bases to construct secret key and… (More)
DOI: 10.1109/INCoS.2013.61


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