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ETSI TS 133 224
M00001874
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ETSI TS 133 224 Universal Mobile Telecommunications System (UMTS); LTE; Generic Authentication Architecture (GAA); Generic Bootstrapping Architecture (GBA) push layer (3GPP TS 33.224 version 12.0.0 Release 12)
standard by European Telecommunications Standards Institute, 10/01/2014
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ETSI TS 133 224 specifies a generic push layer that makes use of the GBA Push Function as specified in TS33.223 [3]. The GPL specification includes a message format, cipher suites and processing model. GPL assumes thatkeys and other SA parameters have been preinstalled in the Push-NAF and UE in the form of a NAF SA. GPL is aprotection protocol that can be applied in a unidirectional fashion.The rationale for GPL is that having each application specify its own security mechanisms would for obvious reasonslead to duplication of work, specifications and implementations. Using a generic secure push layer avoids theseproblems. A generic secure push layer may also relieve the applications using the service of having to be aware of innerworking of the security layer. As an analogy, TS 33.222 [4] can be mentioned, which provides a generic security layerfor HTTP based applications.