網路電話是一種人們重視的網路應用服務,因為傳統電信費用的昂貴,致使人們想追尋更低費用且方便的語音服務,因網際網路快速發展,讓網路電話又被人們所重視,網路電話盛行至今,其仍有許多問題等待解決,本文就網路電話眾多協議中的會談啟始協議,來加以討論,分析並指出其安全風險,著重於認證相關研究,並提出ㄧ套新的認證方法來抵禦已知的安全性危險,並做一系列安全及效率分析,最後做出結論以及未來展望。
VoIP (Voice over IP) is to pay much attention to network application service. The traditional telecommunication was very expensive that caused people pay more attention to VoIP for more cheap and convenient. Because the developing of network is very fast and people pay more and more attention to VoIP, there were some problems of VoIP and waiting for a solving. This thesis wants to discuss the Session Initiation Protocol (SIP) of many protocols in VoIP and try to point out the weaknesses and threatens in the protocols. Our main research is about the authentication and we advanced a new authentication scheme to resist these dangers of security. Then we analyze the security and efficiency of this thesis. Finally, we did our conclusion and our goal in the future.
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