A method for selecting the authentication manner at the...

H - Electricity – 04 – L

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H04L 29/06 (2006.01) H04L 12/28 (2006.01)

Patent

CA 2550506

The emphases of a method for selecting the authentication manner at network side is that HSS returns the authentication information supporting Early IMS authentication manner, or the authentication information supporting Full IMS authentication manner to S-CSCF, or returns the failing information directly to S-CSCF, based on the received authentication information requested in the authentication vector information message from the S-CSCF and the types of the requesting user. If it is the first or the second situation, S-CSCF returns the information for granting access or refusing access to the user based on the authentication result, after authenticating by using the corresponding authentication manner. If it is the last situation, S-CSCF sends directly the information for prohibiting access to UE. The usage of the invention enables the network side to authenticate the user by selecting the accurate authentication manner based on the acquirement of the user, and increase the capability for handling the abnormal events associated with the network side, and the invention is compatible with the existing security protocol farthest at the network side.

L'invention concerne un procédé de sélection du mode d'authentification côté réseau, caractérisé en ce que HSS renvoie à S-CSCF, l'information d'authentification supportant le mode d'authentification IMS anticipé, ou l'information d'authentification supportant le mode d'authentification IMS complet, ou bien renvoie directement à S-CSCF l'information erronée, sur la base de l'information d'authentification reçue, demandée dans le message d'information du vecteur d'authentification émanant de S-CSCF et des types d'utilisateurs demandeurs. S'il s'agit du premier ou du second cas, le S-CSCF renvoie l'information d'accord ou de refus de l'accès à l'utilisateur, sur la base du résultat d'authentification, après authentification au moyen du mode d'authentification correspondant. Dans ce dernier cas, le S-CSCF émet directement l'information. L'utilisation de l'invention permet au côté réseau d'authentifier l'utilisateur en sélectionnant le mode d'authentification précis, basé sur l'acquisition de l'utilisateur, et d'augmenter la capacité de manipulation d'événements anormaux associés audit côté réseau. L'invention est compatible avec le protocole de sécurité existant le plus éloigné du côté réseau.

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