Content for TS 33.179 Word version: 13.11.0
7 End-to-end communication security
7.1 Overview
7.2 Key provisioning and management
7.3 Group call key distribution
7.4 Private call key distribution
7.5 Protection of media stream (SRTP)
7.6 Protection of offline floor and media control signalling (SRTCP)
7.7 Protection of MBMS subchannel control messages (SRTCP)
8 Inter/Intra domain interface security
8.1 General
9 Protection of floor control and sensitive application signalling
9.1 Key agreement for protection of floor control and sensitive application data (Client to Server)
9.2 Key agreement for protection of floor control and sensitive application data between servers
9.3 Protection of XML content
9.4 Key agreement for online floor control (SRTCP)
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7 End-to-end communication security
7.1 Overview
7.2 Key provisioning and management Word‑p. 26
7.2.1 General
7.2.2 Functional model for key management
7.2.2.0 General
7.2.2.1 Reference point CSC-8 (between key management server and the key management client within the MCPTT UE) Word‑p. 27
7.2.2.2 Reference point CSC-9 (between the key management server and the key management client within the MCPTT Server)
7.2.2.3 Reference point CSC-10 (between the key management server and the key management client within a group management server)
7.2.3 Security procedures for key management
7.2.4 Provisioned key material to support end-to-end communication security Word‑p. 29
7.3 Group call key distribution
7.3.1 General
7.3.2 Security procedures for GMK provisioning Word‑p. 31
7.3.3 Key Identification and purpose tags Word‑p. 32
7.3.4 Group creation procedure
7.3.5 Dynamic group keying Word‑p. 33
7.3.5.1 General
7.3.5.2 Group regrouping procedures (within a single MCPTT system)
7.3.5.3 Group regrouping procedures (involving multiple MCPTT systems)
7.3.6 Derivation of SRTP/SRTCP master keys Word‑p. 34
7.3.7 Group member GMK management Word‑p. 35
7.4 Private call key distribution
7.4.1 General
7.4.2 Security procedures (on-network) Word‑p. 37
7.4.3 Security procedures (off-network) Word‑p. 38
7.4.4 Derivation of SRTP/SRTCP master keys Word‑p. 39
7.4.5 Void
7.5 Protection of media stream (SRTP) Word‑p. 40
7.6 Protection of offline floor and media control signalling (SRTCP) Word‑p. 42
7.7 Protection of MBMS subchannel control messages (SRTCP) Word‑p. 44
8 Inter/Intra domain interface security Word‑p. 46
9 Protection of floor control and sensitive application signalling
9.1 Key agreement for protection of floor control and sensitive application data (Client to Server)
9.1.1 Identity-based key management for Client Server Key (CSK)
9.1.2 Creation of the CSK Word‑p. 47
9.1.3 Secure distribution of the CSK
9.2 Key agreement for protection of floor control and sensitive application data between servers Word‑p. 49
9.3 Protection of XML content Word‑p. 50
9.3.1 General
9.3.2 Protected content
9.3.3 Key agreement Word‑p. 51
9.3.4 Confidentiality protection using XML encryption (xmlenc)
9.3.5 Integrity protection using XML signature (xmlsig) Word‑p. 53
9.4 Key agreement for online floor control (SRTCP) Word‑p. 54
