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Erschienen in:
2019 | OriginalPaper | Buchkapitel
A Verifiable Fully Homomorphic Encryption Scheme
verfasst von : Ruwei Huang, Zhikun Li, Jianan Zhao
Erschienen in: Security, Privacy, and Anonymity in Computation, Communication, and Storage
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Abstract
With development of cloud computing, how to keep privacy and compute outsourcing data effectively at the same time is highly significant in practice. Homomorphic encryption is a common method to support ciphertext calculation, but most schemes do not provide fully homomorphic properties. Some fully homomorphic encryption schemes feature complicated design, high computational complexity and no practicability. Some cloud service providers are not trustable and return incorrect computational results due to resource saving or other malicious behaviors. Therefore, this paper proposes a verifiable fully homomorphic encryption scheme VFHES. VFHES implements fully homomorphic encryption based on the principle of the matrix computing principle and matrix blinding technology and supports to verify correctness of the computational results. Security analysis proves that VFHES is privacy-safe and verifiable. The performance analysis and experimental results show that VFHES is practicable and effective.