Patent ID: 9319413
Filing Date: 2016-04-19
CPC Classification: H04L,H04W

Claim Text:
1. A method for establishing an authorization to access resource in Machine-to-Machine (M2M) communication, when an entity selected from a terminal, a gateway and an end user as a client in an M2M service provider domain attempts to access resource located in a terminal or a gateway in the same M2M service provider domain, the method comprising: receiving by the client a client credential allocated from an authentication server for providing an authentication service in the M2M service provider domain by performing a client registration to a service layer of an M2M server for providing an M2M service which is required in the M2M service provider domain; requesting an authorization to access the resource to a resource owner of the resource through the service layer based on information about a Universal Resource Identifier (URI) of the resource by the client; verifying by the resource owner the client through the authentication server; granting the authorization for the client to access the resource by the resource owner; issuing an access token to the client by the authentication server in the M2M service provider domain, and accessing by, a processor of the client, the resource based on the issued access token.