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Content for  TS 33.180  Word version:  17.8.0

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9.4 RTCP signalling protection (SRTCP)  9.5 MCData signalling protection  9.6 Message origin authentication and authorisation 
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9.4  RTCP signalling protection (SRTCP)  p. 103

9.4.1  General  p. 103

9.4.2  Unicast RTCP protection between client and server  p. 104

9.4.3  Multicast RTCP protection between client and server  p. 104

9.4.4  Off-network floor and transmission control protection  p. 104

9.4.5  RTCP protection between servers  p. 104

9.4.6  Key derivation for SRTCP  p. 104

9.4.7  Security procedures for transmission of RTCP content  p. 105

9.4.8  RTCP protection profile  p. 106

9.5  MCData signalling protection  p. 107

9.5.1  Key distribution for signalling protection  p. 107

9.5.2  Protection of MCData application signalling payloads (XML)  p. 107

9.5.3  Protection of MCData signalling payloads  p. 107

9.6  Message origin authentication and authorisation |R15|  p. 107

9.6.1  General  p. 107

9.6.2  Origin authentication and authorisation in the MC System  p. 108

9.6.2.1  Types of signalling  p. 108

9.6.2.2  Privileged Signalling  p. 109

9.6.2.3  Signalling between network entities across domains  p. 109

9.6.2.4  Signalling between the GMS and the GMC  p. 109

9.6.2.5  Signalling between the MC domain and a migrated user  p. 110

9.6.2.6  Off-network signalling  p. 110

9.6.3  Authorised Identities  p. 110

9.6.3.1  Format of an Authorised Identity  p. 110

9.6.3.2  Obtaining an Authorised Identity  p. 111

9.6.4  Element for Authenticating Requests (EARs)  p. 111

9.6.4.1  Overview  p. 111

9.6.4.2  The EAR information element  p. 111

9.6.4.3  EAR authorisation  p. 111

9.6.5  Security procedures for origin authentication  p. 112

9.6.5.1  General  p. 112

9.6.5.2  SIP signalling  p. 112

9.6.5.2.1  General  p. 112
9.6.5.2.2  Group affiliation and deaffiliation signalling  p. 112

9.6.5.3  Off-network signalling  p. 113

9.6.5.4  Processing a received EAR  p. 113

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