Content for TS 33.203 Word version: 18.1.0
M Enhancements to the access security for IP based services to enable NAT traversal for signaling messages
M.0 General
M.1 Scope
M.2 References
M.3 Definitions, symbols and abbreviations
M.4 Overview of the security architecture
M.5 Security features
M.6 Security mechanisms
M.7 Security association set-up procedure
M.8 ISIM
M.9 IMC
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M (Normative) Enhancements to the access security for IP based services to enable NAT traversal for signaling messages |R7| p. 54
M.0 General |R12| p. 54
M.1 Scope p. 54
M.2 References p. 54
M.3 Definitions, symbols and abbreviations p. 54
M.4 Overview of the security architecture p. 54
M.5 Security features p. 55
M.6 Security mechanisms p. 55
M.6.1 Authentication and key agreement p. 55
M.6.2 Confidentiality mechanisms p. 55
M.6.3 Integrity mechanisms p. 55
M.6.4 Hiding mechanisms p. 56
M.6.5 CSCF interoperating with proxy located in a non-IMS network p. 56
M.7 Security association set-up procedure p. 56
M.7.0 General |R12| p. 56
M.7.1 Security association parameters p. 56
M.7.2 Set-up of security associations (successful case) p. 60
M.7.3 Error cases in the set-up of security associations p. 65
M.7.3.1 Error cases related to IMS AKA p. 65
M.7.3.2 Error cases related to the Security-Set-up p. 65
M.7.4 Authenticated re-registration p. 65
M.7.4.0 General |R12| p. 65
M.7.4.1 Void
M.7.4.1a Management of security associations in the UE p. 66
M.7.4.2 Void
M.7.4.2a Management of security associations in the P-CSCF p. 66
M.7.5 Rules for security association handling when the UE changes IP address p. 67
M.8 ISIM p. 68
M.9 IMC |R8| p. 68
