SIP Protocol in Softswitch has not defined its own security mechanism. The principle of SIP protocol in Softswitch is simply narrated, and the existing security problem in SIP protocol is pointed out. The principle and working mechanism of PGP(Pretty Good Privacy) is analyzed in detail. PGP security mechanism which is applied very wide, and has highly security has been introduced into SIP protocol, in order to meet the security requirement of SIP message transfer. The implementation of PGP used in SIP protocol is expounded in detail.
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机译:Softswitch中的SIP协议尚未定义其自己的安全性机制。简述了软交换中SIP协议的原理,指出了SIP协议中存在的安全性问题。详细分析了PGP(Pretty Good Privacy)的原理和工作机制。为了满足SIP消息传输的安全性要求,已将应用非常广泛且具有高度安全性的PGP安全机制引入SIP协议中。详细阐述了SIP协议中使用的PGP的实现。
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