scope:

The present document specifies the security aspects of the Proximity Services (ProSe) features in EPS. Based on the common security procedures (clause 5) for

- interfaces between network entities (using NDS),

- configuration of ProSe-enabled UEs, and

- data transfer between the ProSe Function and a ProSe enabled UE (PC3 interface)

security for the following ProSe features is covered:

- Open ProSe Direct Discovery in network coverage (clause 6.1);

- One-to-many ProSe direct communication for ProSe-enabled Public Safety UEs (clause 6.2);

- EPC-level Discovery of ProSe-enabled UEs (clause 6.3);

- EPC support for WLAN Direct Discovery and Communication (clause 6.4) ;

- One-to-one ProSe direct communication for ProSe-enabled Public Safety UEs (clause 6.5);

- Prose Public Safety Discovery (clause 6.6);

- Prose UE-to-network relays (clause 6.7);