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政大機構典藏 > 資訊學院 > 資訊科學系 > 期刊論文 > Item 140.119/143304

Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/143304

Title:	A Generic Construction of Predicate Proxy Key Re-encapsulation Mechanism
Authors:	曾一凡;左瑞麟 Tseng, Yi-Fan;Tso, Raylin Liu, Zi-Yuan
Contributors:	資科系
Keywords:	Predicate encryption;Predicate proxy reencryption;Generic construction;Single-hop;Unidirectional
Date:	2021-09
Issue Date:	2023-02-06 14:30:44 (UTC+8)
Abstract:	Proxy re-encryption (PRE), first formalized by Blaze et al . in 1998, allows a proxy entity to delegate the decryption right of a ciphertext from one party to another without obtaining the information of the plaintext. In order to achieve more flexible access control, the predicate proxy re-encryption (PPRE) is studied further. However, existing PPRE is restricted with the inner product predicate function. The problem of how to realize the PPRE of arbitrary predicate functions is still to be solved. In this paper, we propose two secure generic predicate proxy key re-encapsulation mechanisms (PPKREM). By applying the key encapsulation mechanism/ data encapsulation mechanism paradigm, our PPKREM can be converted to a PPRE. Consequently, the results open new avenues for building more flexible and fine-grained PPRE.
Relation:	Journal of Internet Technology, Vol.22, No.5, pp.1185-1197
Data Type:	article
DOI 連結:	https://doi.org/10.53106/160792642021092205020
DOI:	10.53106/160792642021092205020
Appears in Collections:	[資訊科學系] 期刊論文

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