(Deterministic) hierarchical identity-based encryption from learning with rounding over small modulus

In this paper, we propose a hierarchical identity-based encryption (HIBE) scheme in the random oracle (RO) model based on the learning with rounding (LWR) problem over small modulus $q$. Compared with the previous HIBE schemes based on the learning with errors (LWE) problem, the ciphertext expansion...

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Bibliographic Details
Main Authors: FANG, Fuyang, LI, Bao, LU, Xianhui, LIU, Yamin, JIA, Dingding, XUE, Haiyang
Format: text
Language:English
Published: Institutional Knowledge at Singapore Management University 2016
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Online Access:https://ink.library.smu.edu.sg/sis_research/9181
https://ink.library.smu.edu.sg/context/sis_research/article/10186/viewcontent/2897845.2897922.pdf
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Institution: Singapore Management University
Language: English