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政大典藏 > Conferences of NCCU > TANet Conference > Conference Papers > Item 140.119/113540

Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/113540

Title:	以隨機亂數為基礎之多伺服器驗證機制的安全改善方案
Authors:	向漢城
Keywords:	金鑰協議;驗證;多伺服器;智慧卡;通行碼
Date:	2009
Issue Date:	2017-10-12 10:11:32 (UTC+8)
Abstract:	西元2007 年學者蔡‧李提出了一個多伺服器的無驗證表驗證機制。此驗證機制係使用隨機亂數(nonce)與單向雜湊函數(hash function)來保障資訊傳輸的安全性。並宣稱其設計可以提供雙向身份認證與交談金鑰協議服務。但蔡‧李的設計未能提供完美前推安全(perfect forward secrecy)且無法抵擋內部特權者攻擊。本文將題提出一個安全改善方案用以解決以上的安全問題。此提出的改善方案不僅保有原來的認證機制的優點，同時也增強了安全性。
Relation:	2009台灣網際網路研討會論文集資訊安全
Data Type:	conference
Appears in Collections:	[TANet Conference] Conference Papers

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