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    ASIA unversity > 資訊學院 > 資訊工程學系 > 期刊論文 >  Item 310904400/112373


    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/112373


    Title: An ElGamal-like Secure Channel Free Public Key Encryption with Keyword Search Scheme
    Authors: Min-Shiang Hwang;Cheng-Chi Lee;Shih-Ting Hsu
    Contributors: 資訊工程學系
    Date: 2019-03
    Issue Date: 2019-11-08 10:37:21 (UTC+8)
    Abstract: The idea of public key encryption with keyword search (PEKS), proposed by Boneh et al., enables one to send a trapdoor containing a encrypted keyword to query data without revealing the keyword. In Boneh et al.’s design, the trapdoor has to be transferred through a secure channel, which is both costly and inefficient. Baek et al. then proposed an efficient secure channel free public key encryption scheme with keyword search (SCF-PEKS). After that, vast amounts of research have focused on the protection against the off-line keyword guessing attack (OKGA) by enhancing the model. However, most of the PEKS/SCF-PEKS schemes developed so far are constructed by applying bilinear pairing and are susceptible to off-line keyword guessing attacks. In this paper, we propose a new SCF-PEKS scheme based on the ElGamal cryptosystem. The proposed scheme is not only secure against off-line keyword guessing attacks but also improves the efficiency.
    Relation: INTERNATIONAL JOURNAL OF FOUNDATIONS OF COMPUTER SCIENCE
    Appears in Collections:[資訊工程學系] 期刊論文

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