Application key delivery in a roaming situation
AssigneeNokia Technologies Oy
InventorsSaurabh KHARE, Suresh P NAIR, Ranganathan MAVUREDDI DHANASEKARAN
Life of this patent
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Abstract
Various example embodiments relate to authentication in case of roaming. An apparatus may be configured to receive, by an application function of a first visitor public land mobile area network (PLMN) or a second visitor PLMN of a device, a registered serving network identifier of the device indicative of the first visitor PLMN; and transmit, based on the registered serving network identifier, an encryption key to an application security function of the first visitor PLMN for encryption of an application session of the device.
Claims12
An apparatus, comprising:
- at least one processor;
- and
- at least one memory including computer program code;
- the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to:
- transmit, by an authentication server function of a home public land mobile network, PLMN, of a device, an anchor key register request to an application security function of the home PLMN of the device, the anchor key registration request comprising a registered serving network identifier of the device.
A method, comprising:
- transmitting, by an authentication server function of a home public land mobile network, PLMN, of a device, an anchor key register request to an application security function of the home PLMN of the device, the anchor key registration request comprising a registered serving network identifier of the device.
A computer readable medium comprising program instructions stored thereon for performing at least the following:
- transmitting, by an authentication server function of a home public land mobile network, PLMN, of a device, an anchor key register request to an application security function of the home PLMN of the device, the anchor key registration request comprising a registered serving network identifier of the device.
Dependencies are inferred from the claim text.