ipsec-3gpp
最後終于知道CKim 是從哪裡來的了,是從S-CSCF 來得。
在wireshark中設定key時,如果時16進制的key,需要在前面加0x;
如果抓到的包裡有authentication 算法和key,但是再wireshark設定SA時不加authentication和key,資料可以解出來,但是wireshark不能正常解析資料。
RFC 3329, “Security Mechanism Agreement for the Session Initiation Protocol (SIP)”
In addition to these mechanism-names, “ipsec-3gpp” mechanism-name is also registered (see Appendix A)
Appendix A. Syntax of ipsec-3gpp
This appendix extends the security agreement framework described in this document with a new security mechanism: “ipsec-3gpp”. This security mechanism and its associated parameters are used in the 3GPP IP Multimedia Subsystem [12].
标準
RFC 3329, “Security Mechanism Agreement for the Session Initiation Protocol (SIP)”
3GPP: 24.228: Signalling flows for the IP multimedia call control based on Session Initiation Protocol (SIP