公开(公告)号：US20230316831A1

公开(公告)日：2023-10-05

申请号：US17768176

申请日：2020-10-14

Applicant: ASSA ABLOY AB

Inventor： Fredrik EINBERG ,  Fredrik LINDERSSON ,  Anders WALLBOM

IPC: G07C9/00

CPC classification number: G07C9/00182 ,  G07C9/00563 ,  G07C2009/0019

Abstract: According to a first aspect, it is provided a method for requesting access to a physical space secured by a lock. The method is performed in a mobile device of a user and comprises the steps of: authenticating the mobile device with an authentication server, resulting in a token, being a data item, indicating one or more access groups to which the user belongs, wherein the token is cryptographically signed by the authentication server; storing the token in the mobile device; obtain a lock identifier of the lock; and transmitting an access request to an access control device, the access request comprising the token and the lock identifier.