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    ASIA unversity > 資訊學院 > 光電與通訊學系 > 期刊論文 >  Item 310904400/17078


    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/17078


    Title: IMPROVING TWO NOVEL THREE-PARTY ENCRYPTED KEY EXCHANGE PROTOCOLS WITH PERFECT FORWARD SECRECY
    Authors: 李正吉;Lee, Cheng-Chi;柯賢儒;Ko, Hsien-Ju
    Contributors: 光電與通訊學系
    Keywords: uthentication;three-party encrypted key exchange;password guessing attack;password
    Date: 2010-12
    Issue Date: 2012-11-26 10:21:38 (UTC+8)
    Abstract: It is a crucial that password security be effective and constantly improved. The three-party encrypted key exchange (3PEKE) protocol has been used to protect passwords transmitted between users. Recently, Chang and Chang proposed a novel 3PEKE (ECC-3PEKE) protocol using a super-poly-to-one trapdoor function which demonstrates high efficiency. However, Chen et al. and Yoon et al., respectively, showed that the ECC-3PEKE protocol can not prevent undetectable on-line password guessing attacks and proposed improved protocols. Unfortunately, their improved protocols suffer from off-line password guessing attacks without perfect forward secrecy. Hence, the authors propose an improved protocol to strengthen their security.
    Relation: INTERNATIONAL JOURNAL OF FOUNDATIONS OF COMPUTER SCIENCE
    Appears in Collections:[光電與通訊學系] 期刊論文

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