| 摘要 |
A method and related apparatus include the steps of registering, from a client at a service providing network entity, first client-related identity information and, from the client at an identity providing network entity, second client-related identity information being different from the first client-related identity information and being generated based on the first client-related identity information. Key information is a secret of the client and identity information is related to the service providing network entity. A second method and related apparatus include the step of determining, at a service providing network entity, the first client-related identity information based on the second client-related identity information being received from the identity providing entity. Finally, a third method and related apparatus include the step of authenticating, towards the service providing network entity, the second client-related identity information being received from the client. |
