Abstract:
Methods and apparatus are provided for key pairing between peer D2D UEs in different eNBs or D2D areas. A method may comprise: receiving at a first access network node serving a first D2D area from a first user equipment in the first D2D area, a request for keys for a D2D communication between the first user equipment and a second user equipment, wherein the request comprises an identification of a second D2D area where the second user equipment is located and being different from the first D2D area; identifying a second access network node serving the second D2D area based on the identification; sending to the second access network node, a request for a security context of the second user equipment; and receiving from the second access network node the security context for obtaining the keys for the D2D communication.
Abstract:
A method for proxy algorithm identity selection may comprise: selecting, at a first network node, a security algorithm identity for a user equipment which is determined to handover to a second network node, based at least in part on security information of the user equipment and a list of security algorithm identities for the second network node; generating security keys for a communication between the user equipment and the second network node, based at least in part on the selected security algorithm identity; providing the security keys and the selected security algorithm identity to the second network node from the first network node; and sending the selected security algorithm identity to the user equipment from the first network node, in response to a handover acknowledgement from the second network node.