- 期刊
Lattice Ciphertext Policy Attribute-based Encryption in the Standard Model
並列摘要
A lattice ciphertext policy attribute based encryption (CP-ABE) scheme is presented, in which the ciphertext policy achieved is the AND-gates on multi-valued at- tributes. The previous construction with AND-gates on multi-valued attributes as ciphertext policy is based on bi- linear paring technology. In this paper, inspired by the re- cent progress of lattice identity based encryption scheme, we achieve this access structure from lattice technology. There are two constructions given, and both of them can be viewed as an extension and generalization of the lattice identity based encryption schemes proposed by Agrawal et al., respectively. In addition, our constructions are shown to be secure under the learning with errors assumption in the standard model.
被引用紀錄
延伸閱讀
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