In this paper, an analysis of the procedure and security of IMS (Internet protocol multimedia subsystem) authentication and key agreement protocol has been made.

本文分析了IMS认证与密钥分配协议的过程，找出了认证协议中的安全缺陷，并给出了攻击者可能进行的攻击。

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In a world where a growing number of devices have Internet protocol addresses, building security into these systems has never been more important.

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Standardization of IPP was slowed by clashes between the vendor-led IPP working group and the leadership of the Internet Engineering Task Force (IETF), which questioned the protocol's design, scalability and security.

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