The Research And Design Of The Trust Model Public Key Infrastructure In The Multiparty Conference

Simple efficient Session Initiation Protocol has becomed an important technology to initiate a multiparty conference on the Internet in the future, and it also been accepted by more and more groups,for example 3G Partnership Project. Security is a very important problem needed solved when initiate a multiparty conference. This paper illustrates the basic concepts of Session Initiation Protocol firstly, and discusses the frame of it, also the types of conference, and the risk of it. Then the paper mainly discusses many key technologies related with security of conference.Based on discussed trust model, SIP conference is integrated with some mature security architectures. A new PKI trust model is prompted in detail. Finally, the paper focuses on the implementation of the security managerment and also describes the system design methodology, architecture, features in detail.