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TS 33.303 (SA3)
Proximity-based Services (ProSe) – Security aspects

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Rapporteur:  Dr. Escott, Adrian
See also:

The overall architecture for ProSe is given in TS 23.303. ProSe includes several features that may be deployed independently of each other. For this reason, no overall security architecture is provided and each feature describes its own architecture.

Although made of several different features, those features share many procedures, for example, both ProSe Direct Discovery and ProSe Direct Communication utilize the same procedure for service authorization (see TS 23.303). Security for this common procedures are described in clause 5 of the present document, while the overall security of the ProSe features is described in clause 6 of the present document (which refers back to clause 5 as necessary).

The present document specifies the security aspects of the Proximity Services (ProSe) features in EPS. The ProSe features covered are:
  • Configuration of ProSe-enabled UEs;
  • Open ProSe Direct Discovery (in network coverage);
  • One-to-many communication for ProSe-enabled Public Safety UEs;
  • EPC-level ProSe Discovery;
  • EPC support for WLAN Direct Communication.