STP-LWE: A Variant of Learning with Error for a Flexible Encryption | Zendy

Bo Gao | Zendy; Yanfeng Shi | Zendy; Chunli Yang | Zendy; Lixiang Li | Zendy; Licheng Wang | Zendy; Yixian Yang | Zendy

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STP-LWE: A Variant of Learning with Error for a Flexible Encryption

Author(s) -

Bo Gao,

Yanfeng Shi,

Chunli Yang,

Lixiang Li,

Licheng Wang,

Yixian Yang

Publication year - 2014

Publication title -

mathematical problems in engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.262

H-Index - 62

eISSN - 1026-7077

pISSN - 1024-123X

DOI - 10.1155/2014/341490

Subject(s) - learning with errors , encryption , scheme (mathematics) , computer science , construct (python library) , theoretical computer science , mathematics , computer network , mathematical analysis

We construct a flexible lattice based scheme based on semitensor product learning with errors (STP-LWE), which is a variant of learning with errors problem. We have proved that STP-LWE is hard when LWE is hard. Our scheme is proved to be secure against indistinguishable chosen message attacks, and it can achieve a balance between the security and efficiency in the hierarchical encryption systems. In addition, our scheme is almost as efficient as the dual encryption in GPV08

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