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A new provably secure authentication and key agreement mechanism for SIP using certificateless public-key cryptography

机译:使用无证书公共密钥密码学的SIP的新的可证明安全的身份验证和密钥协商机制

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摘要

The session initiation protocol (SIP) is considered as the dominant signaling protocol for calls over the Internet. However, SIP authentication typically uses HTTP digest authentication, which is vulnerable to many forms of known attacks. This paper proposes a new secure authentication and key agreement mechanism based on certificateless public-key cryptography (CL-PKC), named as SAKA, between two previously unknown parties, which provides stronger security assurances for SIP authentication and media stream, and is provably secure in the CK security model. Due to using CL-PKC, SAKA effectively avoids the requirement of a large Public Key Infrastructure and conquers the key escrow problem in previous schemes.
机译:会话启动协议(SIP)被认为是Internet上呼叫的主要信令协议。但是,SIP身份验证通常使用HTTP摘要身份验证,它容易受到多种形式的已知攻击的攻击。本文提出了一种基于无证书公共密钥密码学(CL-PKC)的新安全身份验证和密钥协商机制,称为SAKA,在两个先前未知的参与者之间,它为SIP身份验证和媒体流提供了更强的安全保证,并且被证明是安全的。在CK安全模型中。由于使用CL-PKC,SAKA有效地避免了对大型公钥基础结构的需求,并克服了先前方案中的密钥托管问题。

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