Content for TS 33.203 Word version: 17.0.0
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| Word‑p. 54
M.0 General |R12| Word‑p. 54
M.1 Scope Word‑p. 54
M.2 References Word‑p. 54
M.3 Definitions, symbols and abbreviations Word‑p. 54
M.4 Overview of the security architecture Word‑p. 54
M.5 Security features Word‑p. 55
M.6 Security mechanisms Word‑p. 55
M.6.1 Authentication and key agreement Word‑p. 55
M.6.2 Confidentiality mechanisms Word‑p. 55
M.6.3 Integrity mechanisms Word‑p. 55
M.6.4 Hiding mechanisms Word‑p. 56
M.6.5 CSCF interoperating with proxy located in a non-IMS network Word‑p. 56
M.7 Security association set-up procedure Word‑p. 56
M.7.0 General |R12| Word‑p. 56
M.7.1 Security association parameters Word‑p. 56
M.7.2 Set-up of security associations (successful case) Word‑p. 60
M.7.3 Error cases in the set-up of security associations Word‑p. 65
M.7.3.1 Error cases related to IMS AKA Word‑p. 65
M.7.3.2 Error cases related to the Security-Set-up Word‑p. 65
M.7.4 Authenticated re-registration Word‑p. 65
M.7.4.0 General |R12| Word‑p. 65
M.7.4.1 Void
M.7.4.1a Management of security associations in the UE Word‑p. 66
M.7.4.2 Void
M.7.4.2a Management of security associations in the P CSCF Word‑p. 66
M.7.5 Rules for security association handling when the UE changes IP address Word‑p. 67
M.8 ISIM Word‑p. 68
M.9 IMC |R8| Word‑p. 68
