US 2026/0217221 A1 · Key Entity, Sharer Device and Method for Restricting the Entitlements of a Shared Digital Key

Abstract

The present document describes a key entity including a storage area for storing a shared digital key that controls one or more vehicle functions of a vehicle. The key entity is configured to store restriction data regarding a usage restriction of the key entity in the storage area of the key entity, wherein the usage restriction defines a scope of vehicle functions for which the key entity is designated. Furthermore, the key entity is configured to send the restriction data to a sharer device which includes a digital key from which the shared digital key of the key entity is to be derived, and in reaction to receiving a transfer request from the sharer device, to generate the shared digital key in accordance to a set of entitlements, which is indicated within the transfer request.

Claims20

Dependent claims

A key apparatus comprising:

a storage area configured to store a shared digital key for controlling one or more vehicle functions of a vehicle;
wherein the key apparatus is configured to
store restriction data with regard to a usage restriction of the key apparatus in the storage area of the key apparatus, wherein the usage restriction defines a scope of vehicle functions for which the key apparatus is designated;
send the restriction data to a sharer device which comprises a digital key from which the shared digital key of the key apparatus is to be derived;
and
in reaction to receiving a transfer request from the sharer device, generate the shared digital key in accordance with a set of entitlements, which is indicated within the transfer request.

3 more elements

A sharer device comprising a digital key for controlling a main set of one or more vehicle functions of a vehicle, wherein the sharer device is configured to:

determine that the digital key is to be shared with a key apparatus to provide a shared digital key on the key apparatus to enable the key apparatus to control a subset of the main set of one or more vehicle functions of the vehicle;
receive restriction data with regard to a usage restriction of the key apparatus from the key apparatus, wherein the usage restriction defines a scope of vehicle functions for which the key apparatus is designated;
determine a set of entitlements of the shared digital key based on the restriction data;
and
send a transfer request for causing generation of the shared digital key at the key apparatus, wherein the transfer request includes the set of entitlements.

2 more elements

Dependencies are inferred from the claim text.

Key Entity, Sharer Device and Method for Restricting the Entitlements of a Shared Digital Key

Life of this patent

Key Entity, Sharer Device and Method for Restricting the Entitlements of a Shared Digital Key

Life of this patent

Abstract

Claims20