Loading patent…
AssigneeTelefonaktiebolaget LM Ericsson (publ)
InventorsTereza Cristina Melo de Brito Carvalho, Vlad Constantin Coroama, Mats Näslund, Makan Pourzandi, Marcos Antonio Simplicio Junior, Yeda Regina Venturini
Estimating the term…
The present invention relates to a method of key management and to an apparatus (200) of communication network (100) comprising a plurality of groups (141, 142, 143), each group (141) including one or several members (132A, 132B, 132C) authorized to have access to key-protected services provided by the apparatus. According to the method, it is determined when a member (132A) starts a switching action from one service to another and it is determined a time dependent quantity starting from the switching action. The method further comprises, determining that the member (132A) is a member of a switching group (150) when the quantity is less than a threshold value, and when the quantity is larger than the threshold, determining that the member (132A) has decided to join a new group (142), and changing the appropriate access key(s).
A method of key management in a communication network comprising a plurality of service groups, each group including at least one member authorized to have access to key-protected services of the group, the method comprising:
An apparatus for key management in a communication network comprising a plurality of service groups, each service group including at least one member authorized to have access to key-protected services of the service group, said apparatus being configured to provide said services to group members, the apparatus is configured:
Dependencies are inferred from the claim text.