文化大學機構典藏 CCUR:Item 987654321/27196
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    Please use this identifier to cite or link to this item: https://irlib.pccu.edu.tw/handle/987654321/27196


    Title: 無線區域網路SEWTP協定之安全漏洞與改良
    Authors: 謝文恭
    資楚台
    Contributors: 資訊管理學系
    Keywords: IEEE 802.11
    WEP
    TKIP
    SEWTP
    Keystream
    Date: 2008-05-23
    Issue Date: 2014-03-14 13:38:05 (UTC+8)
    Publisher: 中國文化大學推廣教育部
    Abstract: 由IEEE 802.11b制訂的無線區域網路安全傳輸協定Wired Equivalent Privacy(WEP),已被發現存在著許多安全性的弱點,而加強WEP協定安全傳輸的 Temporal Key Integrity Protocol(TKIP)協定,亦有學者指出其傳輸性能低於WEP協定,且亦存在安全弱點。2006年,由Yang等人所提出的無線區域網路安全協定Secure Enhanced Wireless Transfer Protocol(SEWTP),聲稱不但可維持如WEP協定之傳輸性能,亦可大幅改善已知WEP協定與TKIP協定存在之安全缺陷。然而,我們發現SEWTP協定仍存在著金鑰串流(keystream)重覆使用之弱點。使用重覆金鑰串流加密時,攻擊者可藉由已加密後的密文推出相對應的明文。本研究指出攻擊SEWTP協定之方法,討論其原因,並提出改良建議。
    Relation: 2008知識社群與系統發展研討會論文全集
    Appears in Collections:[Department of Information Management & Graduate Institute of Information Management] Proceedings

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