Patent ID: 8635462
Filing Date: 2014-01-21
Classification: G07C,H04L,H04W

Abstract:
1. A method for managing access control with locking units and electronic keys, comprising: storing and managing access authorizations in a central processor, programming keys with authorization information for a pregiven selection of locking units as a function of respective access authorization, sending authorization information wirelessly from a key to a locking unit in an event of an access request, and determining access authorization in the locking unit as a function of received authorization information, wherein determining the access authorization in the locking unit comprises comparing a key identification received by the key with a key identification list stored in the locking unit, and access is refused in case of a match of the received key identification with a key identification from the key identification list, wherein programming a key comprises sending the authorization information via a wireless telecommunication network to a wireless mobile telecommunication device and transmitting the authorization information received by the telecommunication device to a memory of the key, and the key identification list is stored and managed in the central processor, transmitted to mobile telecommunication devices via the wireless telecommunication network, wirelessly sent from a key to the locking unit, and stored in the locking unit, and wherein a key-individual encryption key is assigned to each of the keys, the authorization information for a key is encrypted with the respectively assigned key-individual encryption key in the central processor and sent as a key-individually encrypted authorization information to the telecommunication device and/or the key and stored there, and the key-individually encrypted authorization information is decrypted in the key using the assigned key-individual encryption key stored there.