Secure access to a subscription module
First Claim
1. A method of providing to a client communications device access to a subscription module of a server communications device, the method comprising the steps of:
- establishing a communications link between the client communications device and the server communications device; and
communicating a number of messages (M) comprising data related to the subscription module between the server communications device and the client communications device via the communications link;
wherein the method further comprises the step of providing integrity protection of the messages communicated between the server communications device and the client communications device via the communications link.
1 Assignment
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Accused Products
Abstract
A method of providing to a client communications device access to a subscription module of a server communications device, the method comprising the steps of establishing a communications link between the client communications device and the server communications device; and communicating a number of messages comprising data related to the subscription module between the server communications device and the client communications device via the communications link. The method further comprises the step of providing integrity protection of the messages communicated between the server communications device and the client communications device via the communications link.
55 Citations
22 Claims
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1. A method of providing to a client communications device access to a subscription module of a server communications device, the method comprising the steps of:
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establishing a communications link between the client communications device and the server communications device; and
communicating a number of messages (M) comprising data related to the subscription module between the server communications device and the client communications device via the communications link;
wherein the method further comprises the step of providing integrity protection of the messages communicated between the server communications device and the client communications device via the communications link. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A communications system comprising a client communications device and a server communications device including a subscription module, the client and server communications devices each comprising respective communications means for establishing a communications link between the client communications device and the server communications device, and for communicating a number of messages comprising data related to the subscription module between the server communications device and the client communications device via the communications link;
wherein the client communications device and the server communications device each comprise respective processing means adapted to provide integrity protection of the messages communicated between the server communications device and the client communications device via the communications link.
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11. A server communications device including a subscription module, the server communications device comprising communications means for establishing a communications link with a client communications device, and for communicating a number of messages comprising data related to the subscription module between the server communications device and the client communications device via the communications link;
wherein the server communications device comprises processing means adapted to provide integrity protection of the messages communicated between the server communications device and the client communications device via the communications link.
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12. A client communications device for providing access to a subscription module of a server communications device, the client communications device comprising communications means for establishing a communications link with the server communications device including the subscription module, and for communicating a number of messages comprising data related to the subscription module between the client communications device and the server communications device via the communications link;
wherein the client communications device comprises processing means adapted to provide integrity protection of the messages communicated between the client communications device and the server communications device via the communications link.
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13. A method of providing to a client communications device access to a subscription module by a server communications device comprising the subscription module, the method comprising the steps of
establishing a communications link between the client communications device and the server communications device; -
receiving a number of messages from the client communications device by the server communications device via the communications link, the messages addressing the subscription module; and
wherein the method further comprises the step of determining, for at least one of the received messages, whether the message is authorised to address the subscription module. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21)
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22. A server communications device including a subscription module, the server communications device comprising communications means for establishing a communications link with a client communications device, and for receiving a number of messages addressing the subscription module from the client communications device via the communications link;
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wherein the server communications device comprises processing means for determining, for at least one of the received messages, whether the message is authorised to address the subscription module.
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Specification