DE102018124361B4 - Intelligent electronic key system for vehicles - Google Patents

Abstract

Intelligent electronic key system for vehicles, comprising: - a cloud server (13); - a first-user device (11) which has a function for connecting by means of a wireless network and is connected to the cloud server (13) via the Internet - a second-user device (12) which has a function for connection by means of a wireless network and can be connected to the cloud server (13) via the Internet; and - a vehicle control main unit (21) which is arranged in a vehicle (20), has a function for connection by means of a wireless network and can thus be connected to the cloud server (13) via the Internet; characterized in that Sends a first user device (11), after activating an electronic key sharing function (160), a cryptographic hashed link for the electronic key information to the second user device (12); and that the second user device (12) - after opening the link for the information about the electronic key, sends a hashing-generated request for authentication of the authorization to the cloud server (13), - after the cloud server requests authentication has authenticated the authorization correctly, after receiving a confirmation of the authorization to use sent by the cloud server (13), activates a vehicle control function and - sends a vehicle control signal to the vehicle control main unit (21) via the cloud server (13) so that the vehicle control main unit ( 21) controls the operation of the vehicle (20).

Description

The invention relates to an electronic key system, in particular an intelligent electronic key system for vehicles.

Conventionally, if the owner of a car and his car are in different places and the owner wishes to make his car available to another person, the car owner must either give the person the physical car key or personally accompany the person to the parking place of his car and this person hand over the car. After using the vehicle, the car key must be returned to the car owner. The handover of the car key requires a lot of time from both parties and there are unforeseeable risks in the storage and security of use of the physical car key.

Therefore, such a system is desirable, which solves the problem of changing the permission to use the physical car key.

For this purpose, the publications are known from the prior art US 2017/0267214 A1 , US 2013/0179005 A1 , EP 2997550 B1 , DE 10 2016 215021 A1 , DE 10 2013 017082 A1 , DE 10 2014 223663 A1 and DE 10 2016 211165 A1 .

The US 2017/0267214 A1 with the designation “Vehicles and cloud systems for assigning temporary e-keys to access use of a vehicle” discloses a vehicle that is configured in such a way that it communicates with a server of a cloud system in order to gain access to the use of the vehicle via a vehicle to enable one or more electronic keys. The vehicle includes electronics and a vehicle subsystem to enable the vehicle to be unlocked. The subsystem has an interface to the electronics and another subsystem to enable the vehicle to be started to use the vehicle. The vehicle also includes communication circuits connected to the electronics of the vehicle. The communication circuits are programmable so that they can communicate with the server of the cloud system and with a mobile device. The vehicle's communication circuits are configured to receive a request from the mobile device to unlock the vehicle. The request from the mobile device contains a unique access code that the mobile device receives from the server for sending the request to the vehicle. The unique access code is linked to the rights to use the vehicle. The rights are defined for the unique access code and the vehicle can receive information from the server to authenticate the request through the mobile device. If the request is authentic, the mobile device is provided with data to activate an electronic key to use the vehicle, and the vehicle's electronics instruct the vehicle's subsystem according to the rights of the unique access code, unlocking the vehicle and starting enable the vehicle to use the vehicle via the electronic key.

The US 2013/0179005 A1 entitled "Vehicle operation authorization system" describes a vehicle operation authorization system with a server that receives identification information from a first portable electronic device that identifies the first portable electronic device that is used as an electronic key for a vehicle. The server verifies the identification information and sends a usage approval signal to the vehicle to enable vehicle operation according to a request from the first portable electronic device. A key registration unit registers an encryption key provided by the server for the first portable electronic device. An access authorization unit uses the encryption key registered in the first portable electronic device to grant access authorization to a second portable electronic device to access the server, so that the second portable electronic device acts as the electronic key authorized to operate the vehicle acts.

The EP 2 997 550 B1 entitled "Method of Access Control" discloses a method of controlling access to physical devices, each physical device being equipped with an access control unit which can block and enable access to functions of the physical unit. Wireless communication connections can be established between a central control platform and the access control units. Users can establish wireless communication connections with the access control units and the central control platform via mobile access units. When accessing a physical device using the mobile access unit, an identity check of the user is carried out, the user identifying himself to the mobile access unit. After a successful identity check, a wireless communication connection is established between the mobile access unit and the access control unit and the identity of the user and a unique identifier of the mobile access unit itself are transmitted to the access control unit. Access rights to the physical device are then determined and granted.

The DE 10 2016 215 021 A1 with the title "Method and server device for configuring a forwarding process for an access authorization to a motor vehicle" relates to a method for configuring a forwarding process for an access authorization to a motor vehicle, in which a selection of a plurality of authentication methods is provided for securing the forwarding process, a first provided authentication method being required that for authentication a transaction number transmitted from a server device to the motor vehicle and displayed by means of a display device of the motor vehicle must be entered into a first terminal before the server device sends a digital key to a second, preferably near-field communication-capable, mobile terminal to pass on the access authorization, whereby at least one further of the authentication methods provided does not require involvement of the motor vehicle for authentication, and wherein a selection is captured by one of the authentication methods and the selected authentication method is used to secure future forwarding processes. The invention further relates to a server device for configuring a transfer process for an access authorization to a motor vehicle.

The DE 10 2013 017 082 A1 with the title "Access or driving authorization system for a vehicle and method for controlling an access authorization or driving authorization for a vehicle" relates to an access or driving authorization system for a vehicle, comprising authorization data for releasing the access or driving authorization, a first mobile terminal for transmitting the Authorization data to the vehicle, the first mobile terminal having a data carrier for securely storing the authorization data for the vehicle, and a first transmission connection for transmitting the authorization data from a database server to the first mobile terminal, the first transmission connection being encrypted with a first key. According to the invention, a second key can be transmitted from the database server to the first mobile terminal via the first transmission connection encrypted with the first key, and the authorization data can be transmitted from the first mobile terminal to a second mobile terminal via a second transmission connection encrypted with the second key. Furthermore, the invention relates to a method for controlling an access authorization or driving authorization for a vehicle.

The DE 10 2014 223 663 A1 entitled "Method for Authenticating an Authorization of a User of a Motor Vehicle, Motor Vehicle and Computer Program" refers to a method for authenticating an authorization of a user of a motor vehicle. The method comprises sending a request signal for an authentication code to a computer. The method also includes providing the authentication code by the computer to an on-board device comprised by the motor vehicle.

The DE 10 2016 211 165 A1 entitled "Remote-controlled vehicle key, intelligent device, system, and vehicle for sharing the vehicle between different users" relates to a remote-controlled vehicle key for sharing a vehicle between different users, the vehicle key comprising: a first radio interface, which is designed for this: a signed Receive data record comprising at least one control command from a mobile terminal; and transmit the signed data set to a main processor of the vehicle key; a main processor configured to: receive the signed record; and execute security logic that verifies a signature of the signed record; and if the security logic has successfully verified the signature, the main processor is further trained to: establish a secure communication channel with the security processor; and to transmit the control command of the signed data record to the security processor via the secure communication channel; and a security processor configured to: receive the control command from the main processor over the secure communication channel; and execute the control command, wherein the security processor activates a second radio interface so that a keyless vehicle access system of the vehicle recognizes the vehicle key, and wherein the security processor controls a vehicle function specified in the control command using the keyless vehicle access system.

The invention has for its object to provide an intelligent electronic key system for vehicles with which the shortcomings mentioned in the prior art are eliminated.

The object is achieved by an intelligent electronic key system for vehicles with the features of claims 1 and 11. Advantageous refinements are features in the subclaims.

The object is achieved by an intelligent electronic key system for vehicles, which comprises a cloud server, a first-user device, a second-user device and a vehicle control main unit. The first-user device has a function for connecting using a wireless network and can be connected to the cloud server via the Internet. The second user device has a function for connection via a wireless network and can be connected to the cloud server via the Internet. The vehicle control main unit is arranged in a vehicle, has a function for connection by means of a wireless network and can thus be connected to the cloud server via the Internet. After starting an electronic key sharing function, the first user device sends a cryptographic hashed link for the electronic key information to the second user device; After opening the link for the information about the electronic key, the second-user device sends a hashing-generated request for authentication of the authorization to the cloud server and, after the cloud server has correctly authenticated the request for authentication of the authorization, receives one activates a vehicle control function in response to the confirmation of the authorization to use sent by the cloud server and send a vehicle control signal to the vehicle control main unit via the cloud server so that the vehicle control main unit controls the operation of the vehicle.

By means of the intelligent electronic key system for vehicles according to the invention, the cloud server is connected via the Internet to the first-user device, the second-user device and the main vehicle control unit in order to control and operate the sharing of the usage authorization for the electronic key, a more convenient one and more secure sharing of the authorization to use the electronic key is made possible by the intelligent electronic key system according to the invention.

The object is further achieved by an intelligent electronic key system for vehicles, which comprises a cloud server, a first-user device, a second-user device and a vehicle control main unit. The first-user device has a function for connection via a wireless network and can be connected to the cloud server via the Internet. The second-user device has a function for connecting via a wireless network and a function for connecting to a nearby end and can be connected to the cloud server via the Internet. The vehicle control main unit is arranged in a vehicle, has a function for connection to a nearby end and can thus be connected to the second-user device by a method for connection with a nearby end, wherein more than first key information is set up in the vehicle control main unit . After starting an electronic key sharing function, the first-user device sends a cryptographic hashed link for the electronic key information to the second-user device; After opening the link for the information about the electronic key, the second-user device sends a hashing-generated request for authentication of the authorization to the cloud server, the cloud server correctly authenticating the request for authentication of the authorization and confirmation of the Sends authorization and a second key information back to the second user device and the second user device sends a request for authentication of the second key information to the vehicle control main unit according to the second key information. Upon receipt of the second key information from the second user device, the vehicle control main unit authenticates the second key information with the first key information previously stored in the second vehicle control main unit. If authentication is successful, the vehicle control main unit sends back a confirmation of the authorized key use, so that the second user device can activate a vehicle control function and send a vehicle control signal to the vehicle control main unit so that the vehicle control main unit controls the operation of the vehicle. Here, the first-time user device further includes a function for connecting to a nearby end. The first-user device sends a request for a change in the first-key information to the cloud server and the cloud server determines whether it has received a request for a connection transmitted by the vehicle control main unit by the function for connection via the Internet, whereby the cloud server, when receiving the request for a connection, sends the first key information to the vehicle control main unit so that the first key information is stored in the vehicle control main unit. Furthermore, if the request for a connection is not received, the cloud server sends the first key information to the first user device so that the first key information is stored in the first user device, the first user device using the function for connecting to a nearby end is paired with the vehicle control main unit and then sends the first key information to the vehicle control main unit so that the first key information is stored in the vehicle control main unit and thus set up.

In the intelligent electronic key system for vehicles according to the invention, the second-user device can be based on a specific one Consequently, a method for connecting to a nearby end is connected to the vehicle control main unit and identify the second key information obtained from the cloud server with the first key information from the vehicle control main unit; the user of the second-user device is only authorized to control the vehicle if the authentication is successful. In this way, the sharing of the usage authorization for the electronic key is controlled and operated, whereby the intelligent electronic key system according to the invention enables a more convenient and secure sharing of the usage authorization for the electronic key and control of the vehicle by the second-user device, even if the Vehicle control main unit cannot be connected to the cloud server via the Internet.

• 1 eine schematische Darstellung einer Architektur eines erfindungsgemäßen intelligenten, elektronischen Schlüsselsystems für Fahrzeuge,
• 2A eine schematische Darstellung einer Bedienung eines ersten Ausführungsbeispiels der Nutzungsberechtigung für den erfindungsgemäßen elektronischen Schlüssel,
• 2B eine schematische Darstellung einer Bedienung eines zweiten Ausführungsbeispiels der Nutzungsberechtigung für den erfindungsgemäßen elektronischen Schlüssel,
• 3 eine schematische Darstellung einer konkreteren Bedienung des ersten Ausführungsbeispiels der Nutzungsberechtigung für den erfindungsgemäßen elektronischen Schlüssel,
• 4A eine schematische Darstellung einer ersten Bedienung einer ersten Benutzerschnittstelle des erfindungsgemäßen Systems,
• 4B eine schematische Darstellung einer zweiten Bedienung der ersten Benutzerschnittstelle des erfindungsgemäßen Systems,
• 4C eine schematische Darstellung einer dritten Bedienung der ersten Benutzerschnittstelle des erfindungsgemäßen Systems,
• 4D eine schematische Darstellung einer vierten Bedienung der ersten Benutzerschnittstelle des erfindungsgemäßen Systems,
• 5A eine schematische Darstellung einer ersten Bedienung einer zweiten Benutzerschnittstelle des erfindungsgemäßen Systems,
• 5B eine schematische Darstellung einer zweiten Bedienung der zweiten Benutzerschnittstelle des erfindungsgemäßen Systems,
• 6 eine schematische Darstellung einer dritten Bedienung der zweiten Benutzerschnittstelle des erfindungsgemäßen Systems,
• 7 eine schematische Darstellung einer weiteren Architektur eines erfindungsgemäßen intelligenten, elektronischen Schlüsselsystems für Fahrzeuge,
• 8 eine schematische Darstellung einer Bedienung eines dritten Ausführungsbeispiels der Nutzungsberechtigung für den erfindungsgemäßen elektronischen Schlüssel,
• 9 einen Ablaufplan eines Ausführungsbeispiels der Einrichtung einer ersten Schlüsselinformation durch eine Fahrzeugsteuerungshaupteinheit des erfindungsgemäßen elektronischen Schlüssels,
• 10A eine schematische Darstellung einer fünften Bedienung der ersten Benutzerschnittstelle des erfindungsgemäßen Systems,
• 10B eine schematische Darstellung einer vierten Bedienung der zweiten Benutzerschnittstelle des erfindungsgemäßen Systems,
• 10C eine schematische Darstellung einer fünften Bedienung der zweiten Benutzerschnittstelle des erfindungsgemäßen Systems, und
• 10D eine schematische Darstellung einer sechsten Bedienung der zweiten Benutzerschnittstelle des erfindungsgemäßen Systems.

The invention is described in detail below using exemplary embodiments and with reference to the drawing. The drawing shows:

• 1 1 shows a schematic representation of an architecture of an intelligent, electronic key system for vehicles according to the invention,
• 2A 1 shows a schematic representation of an operation of a first exemplary embodiment of the authorization to use the electronic key according to the invention,
• 2 B 1 shows a schematic representation of an operation of a second exemplary embodiment of the usage authorization for the electronic key according to the invention
• 3rd 1 shows a schematic representation of a more concrete operation of the first exemplary embodiment of the authorization to use the electronic key according to the invention,
• 4A 1 shows a schematic representation of a first operation of a first user interface of the system according to the invention,
• 4B 1 shows a schematic representation of a second operation of the first user interface of the system according to the invention,
• 4C 2 shows a schematic representation of a third operation of the first user interface of the system according to the invention,
• 4D 1 shows a schematic representation of a fourth operation of the first user interface of the system according to the invention,
• 5A 1 shows a schematic representation of a first operation of a second user interface of the system according to the invention,
• 5B 2 shows a schematic representation of a second operation of the second user interface of the system according to the invention,
• 6 2 shows a schematic illustration of a third operation of the second user interface of the system according to the invention,
• 7 1 shows a schematic representation of a further architecture of an intelligent electronic key system for vehicles according to the invention,
• 8th 1 shows a schematic representation of an operation of a third exemplary embodiment of the authorization to use the electronic key according to the invention
• 9 1 shows a flowchart of an exemplary embodiment of the establishment of a first key information by a vehicle control main unit of the electronic key according to the invention,
• 10A 2 shows a schematic representation of a fifth operation of the first user interface of the system according to the invention,
• 10B 1 shows a schematic representation of a fourth operation of the second user interface of the system according to the invention,
• 10C a schematic representation of a fifth operation of the second user interface of the system according to the invention, and
• 10D is a schematic representation of a sixth operation of the second user interface of the system according to the invention.

In the following, objects, features and advantages of the present invention will be explained in more detail on the basis of the detailed description of exemplary embodiments and the attached drawing. The invention is not intended to be limited to the features evident from the description and from the drawing.

As in 1 shown, the invention discloses an intelligent electronic key system for vehicles, which is a first-time device 11 , a second-user device 12th , a cloud server 13 and a vehicle control main unit 21 includes. The cloud server can be a cloud-based server host. The vehicle control main unit 21 is in a vehicle 20 assembled or arranged. It should be noted that in 1 the ratio of the connection between the vehicle control main unit 21 and the cloud server 13 and not an arrangement of the vehicle control main unit 21 outside the vehicle 20 is to be illustrated.

The first-user device 11 and the second-user device 12th can be portable electronic devices (English: portable or wearable electronic devices), e.g. smartphones, tablet computers, laptops, PDAs (English: Personal Digital Assistant), smart watches or smart glasses, but are not limited to these. All of the portable electronic mobile devices with the wireless network connection function can be used as the first-user device and the second-user device. Furthermore, the function mentioned for connection by means of a wireless network can be realized by a wireless network module such as Wi-Fi, ZigBee, 3G, 3.5G, 4G or a wireless network module by a higher mobile radio standard, the wireless network module being used by the first user -Device 11 and second-user device 12th is installed and enables a connection via a wireless network.

The first-user device 11 has a function for connecting via a wireless network and can be connected to the cloud server via the Internet or another connection method (this applies below and is therefore not explained) 13 get connected. The second-user device also has 12th via a function for connection via a wireless network and can be connected to the cloud server via the Internet 13 get connected.

It also has in the vehicle 20 arranged vehicle control main unit 21 via a function for connection via a wireless network and can be connected to the cloud server via the Internet 13 get connected. In other words, the cloud server 13 over the Internet or through another connection procedure with the first first-user device 11 , the second-user device 12th and the vehicle control main unit 21 wirelessly connected and thus provides wireless communication between the first first-user device 11 , the second-user device 12th and the vehicle control main unit 21 ready. This will be explained later using the 2nd and the 3rd explained further.

The technical solution of the invention is explained below using a story. For example, the owner of the vehicle would like 20 ask a friend or family member to drive his vehicle 20 drive back from one place to another specific place. The vehicle owner is a first user, who is the first-user device 11 owns. The friend or family member is a second user who is the second user device 12th owns.

If the vehicle owner (ie the first owner) has the first user device 11 starts a function for sharing the electronic key, sends the first-user device 11 a link for the information about the electronic key to the second user device 12th from the friend (ie the second user). After the friend uses the second-user device 12th operated and then opened the link for the information about the electronic key, he continues to operate the second-user device 12th and activates a vehicle control function to send a vehicle control signal to the cloud server 13 to send. The cloud server 13 the vehicle control signal is forwarded to the vehicle control main unit 21 send so that the vehicle control main unit 21 the operation of the vehicle 20 controls. This process is described in more detail below.

As in 2A and 4A to 4D shown, the vehicle owner (ie the first user) guides by operating the first user device 11 an app for electronic keys. As in 4A shown, the first-user device 11 a first screen 15 on. When the vehicle owner runs the electronic key app, a first-time user interface appears 16 on the first screen 15 of the first-user device 11 , being the first-user interface 16 is an interface for operating the APP for electronic keys. If the vehicle owner wants to share the authorization to use the electronic key with the friend, he carries out one on the first user interface 16 displayed function for sharing the electronic key ( S11 ), in the present exemplary embodiment the function for sharing the electronic key at the top right on the first user interface 16 with the number " 160 " is shown. In the present invention, the functions carried out on the interface are implemented by means of the “key”, the “push button”, the “trackbar control”, the “text input field frame”, etc. in accordance with the functional designations provided in the description. This means that the functions are displayed in a coordinated manner with the choice of operating functions. For example, to activate or deactivate the function for sharing the user authorization, a control element of the "trackbar control" is selected accordingly and to change the preset name of the electronic key, a control element of the "text input frame" is selected, etc. In the following, the word "function "Used in the places where the actual operation is carried out by means of the" button ", the" push button ", the" trackbar control ", the" text entry frame ", etc., the methods of execution being not restricted to the listed ways.

If the vehicle owner has the function of sharing the electronic key 160 by Selecting and executing short touches will appear on the first user interface 16 an image or a page of the APP for electronic keys is displayed, the image or the page in 4B is shown. The functions of the in 4B Electronic key app shown include a function of the electronic key 161 and a function of the current location 162 . If the vehicle owner has the function of the current location 162 Selecting and executing by briefly touching is on the first user interface 16 information about the coordinate positioning (the location) of the parking location of the vehicle 20 displayed. For example, the information about the current location of the vehicle 20 in a digital map, a street view, a satellite image or in text on the first user interface 16 or another open interface (e.g. a web-based interface) on the first screen 15 shown, the presentation is not limited to the above. If the vehicle owner has the function of the current location 162 select and execute by briefly touching it, he can search for his car. The information about the coordinate positioning (the location) of the parking location of the vehicle 20 the coordinate position of the in the vehicle 20 mounted vehicle control main unit 21 . A possible embodiment, to which the invention is not restricted, is explained below. The vehicle control main unit 21 stays on the internet with the cloud server 13 connected and can continuously send the information about the coordinate positioning (location) to the cloud server 13 send. If the first-user device 11 a request for information about the coordinate positioning of the vehicle 20 to the cloud server 13 the cloud server 13 the coordinate position of the vehicle control main unit 21 to the first-user device 11 send the first user the information about the coordinate positioning (location) of the current location of the vehicle 20 can experience.

If the vehicle owner has the function of the electronic key 161 select and execute by briefly touching, he can add an function 163 Select and execute by briefly touching to set up an electronic key (eKey), the authorization of which the vehicle owner would like to share with the friend. When the vehicle owner selects and executes the function of adding the electronic key by briefly touching it, the image of the electronic key app appears on the first user interface 16 , as in 4C shown. The functions of the in 4C displayed APP for electronic keys a function to share the usage authorization 164 . When the vehicle owner selects and executes the function of adding the electronic key by briefly touching it, the function of sharing permission becomes 164 preset in the activated (opened) state and the name of the electronic key shared with the friend and the remaining time for sharing the authorization can also be found on the first user interface 16 are displayed. As in 4C shown, for example, when setting up the electronic key, the name of the electronic key can be preset as ekey1 and the remaining time for sharing the authorization for one hour, although the default settings are not limited to those listed above.

However, if the vehicle owner wants to cancel the shared usage authorization for the electronic key, the function for sharing the usage authorization becomes 164 switched from the activated state to the deactivated state by fleeting touching or switching, so that the second user no longer has the right to use the electronic key. This means that the second user can no longer perform the functions even if he receives the electronic key.

If the vehicle owner wants to share the authorization to use the electronic key again with another person, he can use the in 4C first-user interface shown 16 the add function 163 Select and execute by briefly touching to add another user besides the second user as authorized user for the electronic key.

If the vehicle owner turns the on 4C selects the displayed name of an electronic key by briefly touching it, settings can be made and information about the sharing of authorization for the specific electronic key can be sent. When the vehicle owner selects and executes the function of setting and sending information about sharing the authorization for the specific electronic key by briefly touching it, in 4D shown image of the APP for the electronic key on the first user interface 16 displayed. In the 4D Functions shown by the APP for electronic keys include a function for setting the name 165 , a function for setting the effective time 166 , a function for sharing the location information 167 , a feature for reporting annotations 168 , a function for selecting the method of delivery of the content to be communicated 169 and a function to start 170 .

If the vehicle owner selects the function for setting the name 165 by briefly touching it, the preset name of the electronic key can be changed to an easily recognizable new name, especially if the authorization to use the electronic key is shared with several people at the same time. When the vehicle owner sends the authorization sharing information to the user, the name of the electronic key becomes corresponding to the second-user device 12th provided to on the second-user device 12th to be displayed. The vehicle owner selects the function for setting the effective time 166 by briefly touching, the preset time for sharing the authorization can be changed. With the function for setting the effective time 166 For example, both a remaining time and a point in time at which the shared authorization expires can be determined in order to make it easier for the vehicle owner to check the state of use of sharing the authorization for the electronic key.

The vehicle owner selects the function for sharing the location information 167 by briefly touching it, the information about the coordinate positioning (the location) of the parking location of the vehicle can be transmitted to the second user when the information about the sharing of the authorization is transmitted 20 together to the second-user device 12th be sent. The vehicle owner selects the function to annotate information 168 by briefly touching it, a text can be in the first user interface 16 can be entered to allow easy access to the electronic key information, as in 5B shown. The vehicle owner writes an annotation text in the information annotation function 168 provided field, and the registered text is sent to the second user device accordingly 12th sent so that the second user can receive the text. This makes it easier for both the vehicle owner himself and the second user to clarify the requirements for the electronic key and to receive further information regarding the electronic key, as in 5B shown.

The vehicle owner selects the function for selecting the transmission of the content to be communicated 169 by briefly touching it, the authorization to use the electronic key can be in any communication method, e.g. by sending a message using MMS (English: Multimedia Messaging Services) or SMS (English: Short Message Service), emails, communication programs including LINE, WhatsApp, WeChat, Snapchat, Facebook Messenger, Vessenger, Twitter message, with the second user device 12th be shared so that the second user can perform the functions. However, it is to be understood that the modes of communication listed above are only intended as possibilities and are not intended to limit the practice of the present invention.

If the vehicle owner selects the function for starting 170 by briefly touching it, he can continue to share the authorization for advanced functions with the second user. For example, if the vehicle owner has the function to start 170 activated, the vehicle owner is permitted the function for starting the engine of the vehicle 20 via the second-user device 12th to share with the second user. If the vehicle owner has the function to start 170 not activated, the second user can only use the second user device 12th the doors of the vehicle 20 unlock, but no further the engine of the vehicle 20 start. However, sharing the authorization of the advanced functions is not limited to the example above.

When the vehicle owner activates the electronic key sharing function ( S11 ) , as in 2A and 2 B shown is the on 4A Function shown for sharing the electronic key 160 executed accordingly. After the function of the electronic key 161 , the function of the current location 162 , the add function 163 , the permission sharing function 164 , the function for setting the name 165 , the effective time setting function 166 , the function for sharing the location information 167 and the function for annotating information 168 have been carried out selectively, the function for selecting the transmission of the content to be communicated 169 running so the first-user device 11 the link for the information about the electronic key to the second user device 12th sends ( S12 ).

For example, if the first-user device 11 the link for the information about the electronic key through the cloud server 13 sent by SMS of the mobile phone, email or communication program over the Internet, information about the website link corresponding to the link for the information about the electronic key is written down in the user interface of the mobile phone SMS, the email or the communication program. If the link for the information about the electronic key thus sent to the second-user device 12th is sent is from the second user device 12th received link for the information about the electronic key the information about the link to a corresponding internet address.

According to the invention, a hashing method for the key is further included in the step of sending the link for the information about the electronic key to the second-user device 12th through the first-user device 11 introduced to maintain the completeness of the data and to identify it during the identity check. For example, the original content of the link for the information about the electronic key can be calculated by a cryptographic hashing method, for example SHA-512, but not restricted to SHA-512, and converted into a scatter value, which is further passed to the second-user device 12th is transmitted. After the second-user device 12th has received the scatter value, the scatter value is compared to that in the cloud server 13 authenticated scatter value authenticated; if the result is that the transmitted scatter value is identical or correct with the stored scatter value, it means that the link for the information about the electronic key has not been changed or destroyed without authorization in the process of transmission and that at the same time it has been ensured that the second user -Device 12th is the correct device with which the usage authorization for the electronic key is shared. This enables the retention of data completeness and identification during the identity check to increase security when sharing the right to use the electronic key.

As in 5A shown, the second user device 12th a second screen 25th on. When the second user (the friend of the vehicle owner) briefly selects the link for the information about the electronic key (ie the information about the link to a corresponding Internet address), the second screen 25th of the second-user device 12th a second user interface 26 appear, which is a web-based interface. When opening a link for information about the electronic key on the second user interface 26 ( S13 ) is the information about the link to an Internet address 260 on top of the second user interface 26 , ie the web-based interface.

As in 2A shown, the usage authorization for the second-user device 12th further authenticated after the second-user device 12th has opened the link for information about the electronic key ( S13 ). After the step S13 sends the second user device 12th a request for authentication of the authorization to the cloud server 13 ( S19 ), whereby the request for authentication of the authorization as described above can be formed, for example, by the hashing method for the key. Since in the present exemplary embodiment the request for authentication of the authorization when activating the function for sharing the electronic key to the cloud server 13 is sent, the cloud server 13 according to the request for authorization, a response to the request for authentication of the authorization to the first-user device 11 send. The first-user device then sends 11 the request for authentication of the authorization and the link for the information about the electronic key together to the second-user device 12th . When the information about the electronic key is opened, the second-user device transmits 12th the request for authentication of the authorization to the cloud server 13 to the authorization based on the in the cloud server 13 to authenticate stored relevant data required for the authentication of the authorization. Is the content of the request for authentication of the authorization from the cloud server 13 has been determined to be correct (authenticated), the cloud server 13 a confirmation of the usage permission in response to the second user device 12th send ( S1A ). Upon receipt of the confirmation of the usage license via the second-user device 12th the second user determines that the second user device 12th is entitled to use the electronic key. If the second-user device 12th on the contrary, does not receive the confirmation of the usage permit or receives a notification of an inadequate authorization, this means that the second-user device 12th is not authorized to use the electronic key.

If the second user has successfully authenticated the second-user device 12th a vehicle control function on the second user interface 26 of the second-user device 12th activated ( S14) , sends the second-user device 12th a vehicle control signal to the cloud server via the Internet 13 ( S15 ). The cloud server transmits when the vehicle control signal is received 13 the vehicle control signal to the vehicle control main unit 21 ( S15 ' ).

After receiving the from the cloud server 13 transmitted vehicle control signal gives the vehicle control main unit 21 a control signal to control the operation of the vehicle ( S16 ). The main vehicle control unit transmits 21 Information about vehicle operation in response to the cloud server 13 ( S17 ). After receiving the information about vehicle operation, the cloud server sends 13 the information about the vehicle operation in response to the second user device 12th ( S17 ' ). Thus, the second user can by the second user device 12th Received information about the vehicle operation learn that the Vehicle control main unit 21 the vehicle 20 controlled accordingly.

Furthermore, it is optional that the cloud server 13 when sending the information about the vehicle operation to the second user device 12th At the same time, notification of the vehicle control to the first-user device is also provided via the Internet 11 sends ( S18 ), the invention is of course not limited to this embodiment. The vehicle owner can thus find out in which control or use state the vehicle by receiving the notification about the vehicle control 20 is currently located.

Further reference is made to 2 B taken. The biggest difference from that 2 B to 2A is that the cloud server 13 after the cloud server 13 a confirmation of the usage permission in response to the second user device 12th sent ( S1A ) and before the vehicle control function is activated ( S14) , when sending the confirmation of the usage permission in response to the second-user device 12th at the same time, notification of the activation of the electronic key over the Internet to the first-user device 11 sends ( S1B ). Thus, by receiving the notification of activation of the electronic key, the vehicle owner (ie the first user) can learn that the authentication of the usage authorization of the second user device 12th completed successfully and the second-user device 12th is authorized to use the electronic device.

As in 3rd shown includes the step S14 disclosed vehicle control function, a function for searching for the vehicle and for determining position, a function for unlocking the vehicle doors and a function for starting the engine. In other words, the second user can open the electronic key information link ( S13 ) according to the actual state, the function for searching for the vehicle and for determining position ( S141 ), the function for unlocking the vehicle doors ( S142 ) or the function to start the engine ( S143 ) To run.

If the second user does not know where the vehicle is 20 he can execute the function for searching for the vehicle and for determining the position ( S141 ) by the second-user device 12th a request for the location of the vehicle 12th through the cloud server 13 via the internet to the cloud server 13 sends ( S151 ). As described above, the vehicle control main unit remains 21 over the internet with the cloud server 13 connected so that they continuously send the information about their coordinate positioning (their location) to the cloud server 13 can send. When receiving the request for the location of the vehicle 12th the cloud server sends 13 information about the position determination of the vehicle to the second-user device 12th ( S161 ' ) so that the second user, by receiving the information about the position determination of the vehicle, the information about the coordinate positioning (their location) of the parking location of the vehicle 20 receives.

As in 6A shown, location information Pc of the vehicle 20 through that on the second screen 25th of the second-user device 12th appearing second user interface 26 are displayed. In the present invention, the location information of the vehicle 20 represented by means of a digital map, the representation of the location information being not restricted to this embodiment and, for example, alternatively by means of a street view, a satellite image or a text.

As in 3rd shown, the second user if he has the parking of the vehicle 20 the vehicle is informed or based on the information about the position determination of the vehicle 20 has found the function for unlocking the vehicle doors ( S142 ) by the second-user device 12th a control signal to unlock the vehicle doors via the Internet to the cloud server 13 sends ( S152 ). When the control signal for unlocking the vehicle doors is received, the Clous server sends 13 the control signal for unlocking the vehicle doors to the vehicle control main unit 21 ( S152 ' ).

When receiving the from the clous server 13 transmitted control signal for unlocking the vehicle doors gives the vehicle control main unit 21 a control signal that the vehicle 20 unlocked the vehicle doors ( S162 ). The main vehicle control unit transmits 21 Information about unlocking the vehicle doors in response to the cloud server 13 ( S172 ). The cloud server sends the information about unlocking the vehicle doors 13 the information about the unlocking of the vehicle doors in response to the second user device 12th ( S172 ' ). This allows the second user to use the second user device 12th Received information about the unlocking of the vehicle doors learn that the vehicle doors of the vehicle 20 by controlling the vehicle control main unit 21 have been unlocked.

Furthermore, it is optional, but not limited to that of the cloud server 13 when sending the information about the unlocking of the vehicle doors in response to the second user device 12th at the same time, a notification about the unlocking of the vehicle doors via the Internet to the first-user device 11 sends ( S182 ). Thus, when the vehicle owner receives the notification about the unlocking of the vehicle doors, the vehicle owner learns that the vehicle doors of the vehicle 20 by controlling the vehicle control main unit 21 have been unlocked.

The second user wants the vehicle to continue 20 start, he can execute the function to start the engine ( S143 ) by the second-user device 12th a control signal for starting the engine via the Internet to the cloud server 13 sends ( S153 ). The Clous server sends when it receives the control signal to start the engine 13 the control signal for starting the engine to the vehicle control main unit 21 ( S153 ' ).

When receiving the from the cloud server 13 received control signal for starting the engine gives the vehicle control main unit 21 a control signal that the vehicle 20 the engine starts ( S163 ). The main vehicle control unit transmits 21 information about starting the engine in response to the cloud server 13 ( S173 ). The cloud server sends when it receives the information about starting the engine 13 the information about starting the engine in response to the second user device 12th ( S173 ' ). The second user experiences this using the second user device 12th received information about starting the engine that the engine of the vehicle 20 by controlling the vehicle control main unit 21 has been started.

Furthermore, it is optional, but not limited to that of the cloud server 13 sending the engine start information in response to the second-user device 12th at the same time, a notification about the execution of the engine starting via the Internet to the first-user device 11 sends ( S183 ). Thus, the vehicle owner learns that the engine of the vehicle is received by receiving the notification of the execution of the engine starting 20 by controlling the vehicle control main unit 21 has been started.

In the steps for notifying the first-user device 11 , eg step S1B , Step S18 , Step 182 or step 183 , the first-user device 11 be notified by a push notification service (push message). For example, the push notification service GCM from Google, the push notification service APNs from Applie, the push notification service MPNs from Microsoft or another push notification service server as a push notification service at the cloud server 13 be used.

The step carried out by the second user can be carried out by the in 5A shown functions are carried out, this being explained as follows.

If the link for the information about the electronic key on the second user interface 26 is opened ( S13 ), that will be in 5A shown image appear, the vehicle control function being a control function 261 and a position determination function 262 includes. If the second user briefly touches the positioning function 262 selects and executes, the second-user device performs 12th the function for searching for the vehicle and for determining position ( S141 ), where for the detailed explanation 3rd and 6 and the corresponding description is referenced.

If the second user by briefly touching the control function 261 selects and executes, the second user interface 26 also a function for locking / starting the engine 263 and a function for unlocking / switching off the motor 264 provide. If the second user has the function to unlock / switch off the motor 264 touched briefly, the second user device 12th perform the function for unlocking the vehicle doors ( S142 ), where for the detailed explanation 3rd and the corresponding description is referenced. If the second user has the function to unlock / switch off the motor 264 long touched, the second user device 12th execute the function for switching off the engine, whereby switching off the motor is a basic operation of the vehicle and is therefore not further explained here.

If the second user has the function to lock / start the engine 263 touched briefly, the second user device 12th perform the function for locking the vehicle doors. If the second user has the function to lock / start the engine 263 long touched, the second user device 12th execute the function to start the engine ( S143 ), where for the detailed explanation 3rd and the corresponding description is referenced.

In the function to report annotations 168 a text can be typed in for annotation, the text being sent and displayed as in 5B shown. This function is explained below. When the vehicle owner enters the Annotation feature 168 typed text to the second user device 12th sends, after receiving the text, the second user becomes the corresponding text information on the second user interface 26 of the second-user device 12th read. Furthermore, the second user can briefly touch a font reduction function 265 or a font enlargement function 266 select the font size of the text on the second user interface 26 adjust.

If the vehicle 20 the first user provides the second user with authorization to control the vehicle in an empty space, on an above-ground floor of a parking garage or on the side of the road where an Internet connection can be easily established 20 to disposal. The vehicle control main unit 21 can connect directly to the cloud server via the Internet 13 establish, and the second user provides through the second-user device 12th Connect to the cloud server over the Internet 13 to the vehicle control main unit 21 through the cloud server 13 to control.

If the vehicle 20 however, the main vehicle control unit can be parked in an underground car park where no Internet connection can be established 21 not directly connected to the cloud server 13 so that the second user does not go through the second-user device 12th via the cloud server 13 the vehicle control main unit 21 can control. To solve the problem, the invention further provides a method for controlling a connection to a nearby end, in which method the vehicle control main unit 21 given that a connection to the cloud server 13 is not possible over the Internet, nevertheless with the second-user device 12th connected and so from the second-user device 12th can be controlled. In the following, the method for controlling a connection with a nearby end will be explained with reference to the drawing.

The first-user device 11 , the second-user device 12th and the vehicle control main unit 21 are each additionally provided with a function for connecting to a nearby end. As in 7 shown, the first-user device 11 and the second-user device 12th each by performing the function of connecting to a nearby end in connection with the vehicle control main unit 21 to be brought. Furthermore is out 1 can be seen that the vehicle control main unit 21 if the Internet is available, also via the Internet with the cloud server 13 can be connected. Specifically, a connection to a nearby end can be realized by a Bluetooth module that is in the first-user device 11 , the second-user device 12th and the vehicle control main unit 21 is installed and has the standard Bluetooth function for connecting to a nearby end. Thus, the function to connect to a nearby end means that between the location of the first-user device 11 or the location of the second-user device 12th and the vehicle control main unit 21 there is a limited distance. For ease of explanation, connection to a nearby end is explained using a Bluetooth connection, but is not limited to this.

For the method for controlling a connection according to the invention with a nearby end, on 7 and 8th referred. In the vehicle control main unit 21 more than one first key information is set up. If the first-user device 11 the electronic key sharing function is activated ( S41A ) , as in 10A shown is a first-time user interface 16A on the first screen 15 of the first-user device 11 appear, the first user interface 16A Provides functions for setting the electronic key, with these functions, for example, a function for setting the electronic key, a function for setting the effective time for using the electronic key, a function for sharing the link to the electronic key and a function for Launch and include a location sharing feature. The first user interface 16A also provides a function for Bluetooth control 171A ready to release that second-user device 12th through a Bluetooth connection (connection to a nearby end) to the vehicle control main unit 21 can be connected to the vehicle 20 to control. After the first-user device 11 has set the information about the electronic key, it sends the link for the information about the electronic key to the second user device 12th ( S42A ), the second user device 12th according to the information about the electronic key the authorization to control the vehicle 20 receives.

After the second-user device 12th has opened the link for information about the electronic key ( S43A ), it sends the request for authentication of the authorization to the cloud server 13 ( S44A ). Once the cloud server 13 the request for authentication of the authorization has been determined to be correct, it sends back a confirmation of the usage license in response and sends a second key information to the second user device 12th ( S45A ). If the second-user device 12th on the contrary, does not receive a confirmation of the usage license or a notification of missing authorization, it means that the second-user device 12th is not authorized to use the electronic key.

The cloud server also transmits 13 when sending back the confirmation of the usage permission in response and when sending a second key information to the second user device 12th notification of the activation of the electronic key to the first user device 11 ( S46A ) so that the first user has access to the first user device 11 can learn that the second user has successfully completed the authentication of the authorization to use the electronic key and has received the authorization to use the electronic key.

Because the vehicle 20 The second user device is parked in the underground car park and cannot establish an Internet connection 12th through the Bluetooth connection, a connection to the vehicle control main unit 21 forth. In particular, when the information about the electronic key was set, the first user also set the activation of the Bluetooth function that the user had when establishing a connection with the vehicle 20 does not have to perform the pairing process for the Bluetooth devices through a Bluetooth connection. However, the second user device is transmitting 12th that with the vehicle control main unit 21 is connected, for security reasons, the second key information to the vehicle control main unit 21 ( S51A ), and the vehicle control main unit 21 authenticates the correctness of the second key by comparing the second key information with that in the vehicle control main unit 21 stored first key information. If the correctness of the second key is confirmed by the authentication, the vehicle control main unit sends 21 a confirmation of the use permission for the key in response to the second user device 12th back ( S52A ) so that the second-user device 12th through the vehicle control main unit 21 the vehicle 20 can control. If the second-user device 12th on the contrary, does not receive a confirmation of the use permission for the key or a notification of missing authorization, it means that the second-user device 12th is not authorized to use the second key information.

After obtaining permission to control the vehicle 20 activates the second-user device 12th a vehicle control function ( S53A ), with the vehicle control function in 10B to 10D is shown. The second screen 25th of the second-user device 12th provides a second user interface 26A ready at the bottom of a toolbar 31A is provided, which is a tool for locking / unlocking the vehicle doors 311A , a tool for engine control 312A and a function setting tool 313A so that the second user can select the required function.

The second user selects the tool for locking / unlocking the vehicle doors 311A from how in 10B shown, so represents the second user interface 26A a function for locking the vehicle doors, a function for unlocking the vehicle doors, a function for determining the position and a function for notifying comments. The second user selects the engine control tool 312A from how in 10C shown, so represents the second user interface 26A a function to start the engine and a function to stop the engine. The second user selects the function setting tool 313A from how in 10D shown, so represents the second user interface 26A a function to set the screen to always on, a function to set the time for searching for the device, and a function to set the delay time until a command is sent. With the function for setting the screen to an always on state, the second screen 25th set to an always on state. With the function for setting the time for the search for the device, the time for the search for a Bluetooth connection on the second-user device 12th set. The function for setting the delay time before sending a command sets the time for sending a command in order to avoid that several commands are sent out by repeated accidental touching.

As in 8th shown, the second user encrypts the vehicle control signal via the second user device according to the state of the corresponding component of the vehicle to be changed 20 , e.g. unlocking the vehicle doors. The encrypted vehicle control signal is sent through the Bluetooth connection to the vehicle control main unit 21 sent ( S54A ). According to the received vehicle control signal, the vehicle control main unit outputs 21 a control signal to control the operation of the vehicle 20 to control ( S55A ). Once the control of the operation of the vehicle 20 is completed, the vehicle control main unit sends 21 the encrypted information about the operation of the vehicle in response to the second user device 12th ( S56A ) to allow the second user to use the second user device 12th can learn that the vehicle control main unit 21 the vehicle 20 controlled accordingly.

After receipt of the second key information by the cloud server 13 becomes the second-user device 12th through the Bluetooth connection with the vehicle control main unit 21 connected to the second key information to the vehicle control main unit 21 to send for authentication. If authentication is successful, the second-user device receives 12th the authorization to control the vehicle 20 . This enables the second user under the circumstance that the vehicle control main unit 21 not over the internet with the cloud server 13 can still be connected via the second-user device 12th by the method of connecting to a nearby end in connection with the vehicle control main unit 21 can be brought to the vehicle 20 to control. So the second user device 12th the vehicle anyway 20 control even when no internet is available.

• Das Erstbenutzer-Gerät 11 wird über das Internet mit dem Cloud-Server 13 verbunden, um eine Bitte um eine Änderung der Erstschlüssel-Information an den Cloud-Server zu senden (S61); Der Cloud-Server stellt fest, ob er eine von der Fahrzeugsteuerungshaupteinheit 21 übermittelte Bitte um eine Verbindung erhalten hat (S62), wobei die Fahrzeugsteuerungshaupteinheit 21 beim Vorhandensein des Internets durch eine drahtlose Verbindung über ein drahtloses Netzwerk mit dem Internet verbunden wird, um eine Bitte um eine Verbindung an den Cloud-Server 13 zu senden, wobei der Cloud-Server 13 die Bitte um eine Verbindung von der Fahrzeugsteuerungshaupteinheit 21 nicht empfangen kann, wenn kein Internet verfügbar ist;
• Hat der Cloud-Server 13 die von der Fahrzeugsteuerungshaupteinheit 21 übermittelte Bitte um eine Verbindung erhalten, so sendet er über das Internet die Erstschlüssel-Information unmittelbar an die Fahrzeugsteuerungshaupteinheit 21, um die Erstschlüssel-Information zu aktualisieren und zu speichern (S63);
• Nach dem Speichern der Erstschlüssel-Information sendet die Fahrzeugsteuerungshaupteinheit 21 über das Netzwerk eine Bestätigung der Speicherung als Antwort an den Cloud-Server 13 (S64);
• Stellt der Cloud-Server 13 im Schritt S62 fest, dass er keine von der Fahrzeugsteuerungshaupteinheit 21 übermittelte Bitte um eine Verbindung erhalten hat, so sendet der Cloud-Server 13 die Erstschlüssel-Information an das Erstbenutzer-Gerät 11 (S65);
• Das Erstbenutzer-Gerät 11 stellt durch das Verfahren zur Verbindung mit einem nahegelegenen Ende eine Pairing-Verbindung mit der Fahrzeugsteuerungshaupteinheit 21 her und sendet die Erstschlüssel-Information an die Fahrzeugsteuerungshaupteinheit 21 (S66) ;
• Die Fahrzeugsteuerungshaupteinheit 21 speichert die Erstschlüssel-Information und sendet eine Bestätigung für die Speicherung an das Erstbenutzer-Gerät 11 zurück (S67).

For the establishment of the first key information by the vehicle control main unit 21 will be on 9 referred:

• The first-user device 11 is on the Internet with the cloud server 13 connected to send a request for a change in the first key information to the cloud server ( S61 ); The cloud server determines whether it is one of the vehicle control main unit 21 received request for a connection ( S62 ), the vehicle control main unit 21 when the Internet is present, is connected to the Internet through a wireless connection via a wireless network, to request a connection to the cloud server 13 to send, the cloud server 13 the request for a connection from the vehicle control main unit 21 cannot receive if no internet is available;
• Does the cloud server 13 from the vehicle control main unit 21 Received request for a connection, he sends the first key information directly to the vehicle control main unit via the Internet 21 to update and save the first key information ( S63 );
• After storing the first key information, the vehicle control main unit transmits 21 Confirmation of the storage as a response to the cloud server via the network 13 ( S64 );
• Provides the cloud server 13 in step S62 notes that it is not from the vehicle control main unit 21 received request for a connection, the cloud server sends 13 the first key information to the first user device 11 ( S65 );
• The first-user device 11 establishes a pairing connection with the vehicle control main unit through the nearby end connection method 21 and sends the first key information to the vehicle control main unit 21 (S66);
• The vehicle control main unit 21 stores the first key information and sends a confirmation of storage to the first user device 11 back ( S67 ).

If the first-user device 11 Receiving the first key information, the first user goes to the floor where the vehicle is 20 stands and brings the first-user device 11 a pairing connection with the vehicle control main unit via the Bluetooth connection 21 manufacture; A connection to the vehicle control main unit is only established when the pairing is successful 21 manufactured.

In a preferred embodiment, the first-user device sends 11 furthermore that of the vehicle control main unit 21 Confirmation sent to the cloud server for confirmation 13 to confirm the storage in the cloud server 13 save.

In a preferred embodiment, the vehicle control main unit 21 after saving the first key information, a confirmation for storage to the cloud server 13 send out if a wireless connection to the Internet can be established via a wireless network.

In the method shown above, the first key information is in the vehicle control main unit 21 set up. To control the vehicle 20 must be the second-user device 12th first the second key information to the vehicle control main unit 21 send the correctness of the second key information by comparing it with that in the vehicle control main unit 21 authenticate stored first key information. Only when authentication is successful will the vehicle be controlled 20 enables the vehicle 20 is not controlled by an unauthorized person.

1. 1. bei dem erfindungsgemäßen intelligenten elektronischen Schlüsselsystem für Fahrzeuge wird der Cloud-Server 13 über das Internet jeweils mit dem Erstbenutzer-Gerät 11, dem Zweitbenutzer-Gerät 12 und der Fahrzeugsteuerungshaupteinheit 21 verbunden, um das Teilen der Nutzungsberechtigung für den elektronischen Schlüssel zu steuern und zu bedienen, wobei das Teilen der Nutzungsberechtigung für den elektronischen Schlüssel durch das erfindungsgemäße System erleichtert wird;
2. 2. der erste Benutzer, i.e. der Fahrzeugbesitzer, kann durch das Teilen und Aufheben der Nutzungsberechtigung für den elektronischen Schlüssel, die Einstellung der Zeitdauer für das Teilen der Berechtigung die Sicherheit der Nutzung des elektronischen Schlüssels erhöhen;
3. 3. durch den sicheren Hash-Algorithmus (englisch: Secure Hash Algorithm) wird der übermittelte Link für den elektronischen Schlüssel berechnet und umgewandelt, um die Datenvollständigkeit aufzubewahren und die Identifizierung bei der Identitätsprüfung zu ermöglichen, damit die Sicherheit des Teilens der Nutzungsberechtigung für den elektronischen Schlüssel erhöht wird;
4. 4. beim Ausführen der Fahrzeugsteuerfunktion sendet das Zweitbenutzer-Gerät 12 des Weiteren eine Benachrichtigung über die entsprechende Bedienung an das Erstnutzer-Gerät 11, damit der erste Benutzer, i.e. der Fahrzeugbesitzer, über das Fahrzeug 20 gut informiert bleibt;
5. 5. ist das Fahrzeug 20 in einer Tiefgarage geparkt, so kann das Zweitbenutzer-Gerät 12 noch durch ein Verfahren zur Verbindung mit einem nahegelegenen Ende mit der Fahrzeugsteuerungshaupteinheit 21 verbunden werden, um das Fahrzeug 20 unter dem Umstand, dass eine Verbindung mit dem Cloud-Server 13 über das Internet nicht möglich ist, immer noch steuern zu können; und
6. 6. dadurch, dass das Zweitbenutzer-Gerät 12 die Zweitschlüssel-Information erhält und die Richtigkeit der Zweitschlüssel-Information durch Vergleichen der Zweitschlüssel-Information mit der in der Fahrzeugsteuerungshaupteinheit 21 gespeicherten Erstschlüssel-Information authentifiziert, wird die Sicherheit der Bedienung gewährleistet, indem eine Authentifizierung der Schlüsselinformation unter dem Umstand, dass das Zweitbenutzer-Gerät 12 und die Fahrzeugsteuerungshaupteinheit 21 als nahe gelegene Enden miteinander verbunden sind, zusätzlich erfordert wird.

In summary, the present invention has the following features and advantages:

1. 1. In the intelligent electronic key system for vehicles according to the invention, the cloud server 13 over the Internet with the first-user device 11 , the second-user device 12th and the vehicle control main unit 21 connected to control and operate the sharing of the authorization for use of the electronic key, wherein the sharing of the authorization to use the electronic key is facilitated by the system according to the invention;
2. 2. the first user, ie the vehicle owner, can increase the security of the use of the electronic key by sharing and revoking the authorization to use the electronic key, setting the time period for sharing the authorization;
3. 3. Through the secure hash algorithm (English: Secure Hash Algorithm), the transmitted link for the electronic key is calculated and converted in order to retain the data completeness and to enable identification during the identity check, so that the security of sharing the usage authorization for the electronic Key is increased;
4. 4. When the vehicle control function is carried out, the second-user device transmits 12th furthermore a notification of the corresponding operation to the first user device 11 so that the first user, ie the vehicle owner, knows about the vehicle 20 remains well informed;
5. 5. is the vehicle 20 parked in an underground garage, so the second-user device 12th still by a method of connecting a nearby end to the vehicle control main unit 21 be connected to the vehicle 20 given that connecting to the cloud server 13 it is still not possible to control over the Internet; and
6. 6. in that the second-user device 12th obtains the second key information and the accuracy of the second key information by comparing the second key information with that in the vehicle control main unit 21 Authenticated stored first key information, the security of the operation is guaranteed by an authentication of the key information under the circumstance that the second user device 12th and the vehicle control main unit 21 when nearby ends are connected together, additional is required.

Although the present invention has been described in detail with reference to the exemplary embodiments, it is obvious to the person skilled in the art that the invention is not restricted to these exemplary embodiments, but rather that modifications are possible in such a way that individual features can be omitted or other types of combinations of features can be implemented as long as the scope of the appended claims is not left. The disclosure of the present invention includes all combinations of the individual features presented.

Reference list

11

First user's device

12th

Second user's device

13

Cloud server

20

vehicle

21st

Vehicle control main unit

15

first screen

16, 16A

First user interface

160

Function for sharing the electronic key

161

Function of the electronic key

162

Function of the current location

163

Add function

164

Authorization sharing function

165

Function for setting the name

166

Function for setting the effective time

167

Function for sharing the location information

168

Annotation feature. Function to select how to send the

169

content to be communicated

170

Function to start

171A

Bluetooth control function

25th

second screen

26, 26A

Second user interface

260

Information about the link to an Internet address

261

Control function

262

Positioning function

263

Lock / start function

264

Function for unlocking / switching off the motor

265

Font reduction function

266

Font enlargement function

31A

Toolbar

311A

Tool for locking / unlocking the vehicle doors

312A

Engine control tool

313A

Function setting tool

Pc

Location information

Claims (13)

Intelligent electronic key system for vehicles, comprising: - a cloud server (13); - A first-user device (11) which has a function for connecting by means of a wireless network and can be connected to the cloud server (13) via the Internet; - A second user device (12), which has a function for connection by means of a wireless network and can be connected to the cloud server (13) via the Internet; and - a vehicle control main unit (21) which is arranged in a vehicle (20), has a function for connection by means of a wireless network and can thus be connected to the cloud server (13) via the Internet; characterized in that after activating an electronic key sharing function (160), the first user device (11) sends a cryptographic hashed link for the electronic key information to the second user device (12); and that the second-user device (12) - after opening the link for the information about the electronic key, sends a hashing-generated request for authentication of the authorization to the cloud server (13) - after the cloud server requests it Authentication of the authorization has authenticated correctly, after receiving a confirmation of the authorization to use sent by the cloud server (13), activated a vehicle control function and - sends a vehicle control signal to the vehicle control main unit (21) via the cloud server (13), so that the vehicle control main unit (21) controls the operation of the vehicle (20). The system according to Claim 1 , characterized in that the first user device (11) comprises an application program (APP) for electronic keys, a first user interface (16) appearing on a first screen (15) of the first user device (11) when the first user Device (11) executes the APP for electronic keys, the first user interface (16) being an interface for operating the APP for electronic keys; and that the electronic key app provides the electronic key sharing function (160) so that the first user device (11) through the internet through the cloud server (13) provides the link for the electronic key information to the second user Device (12) can send. The system according to Claim 1 , characterized in that the second user device (12) receives the link for the information about the electronic key over the Internet through the cloud server (13) and after opening the link for the information about the electronic key by the second user device (12) a second user interface (26) appears on a screen of the second user device (12), the second user interface (26) being an interface that indicates the vehicle control function; and that the vehicle control function enables the second user device (12) to send the vehicle control signal to the vehicle control main unit (21) via the Internet through the cloud server (13). The system according to one of the Claims 1 to 3rd , characterized in that the first user device (11) sends the link for the information about the electronic key via SMS of the mobile phone, email or communication program through the cloud server (13) to the second user device (12). The system according to Claim 3 , characterized in that the second user interface (26) is a web-based interface. The system according to Claim 1 , characterized in that the vehicle control function comprises a function for searching for the vehicle and for determining the position, a function for unlocking the vehicle doors and a function for starting the engine. The system according to Claim 6 , characterized in that in order to carry out the function for searching for the vehicle and for determining the position, the second-user device (12) sends a control signal for searching for the vehicle via the Internet to the vehicle control main unit (21) via the cloud server (13) and the vehicle control main unit (21) sends information about the position determination of the vehicle via the Internet through the cloud server (13) to the second user device (12). The system according to Claim 6 , characterized in that, in order to carry out the function for unlocking the vehicle doors, the second-user device (12) sends a control signal for unlocking the vehicle doors via the Internet to the vehicle control main unit (21) via the cloud server (13) and the vehicle control main unit (21 ) causes the vehicle (20) to unlock the vehicle doors. The system according to Claim 6 , characterized in that, in order to carry out the function for starting the engine, the second-user device (12) sends a control signal for starting the engine via the Internet to the vehicle control main unit (21) via the cloud server (13) and the vehicle control main unit (21 ) causes the vehicle (20) to start the engine. The system according to one of the Claims 7 to 9 , characterized in that when the vehicle control function is carried out by the second user device (12), the vehicle control main unit (21) further sends a notification corresponding to the operation by the cloud server (13) to the first user device (11). Intelligent electronic key system for vehicles, comprising: - a cloud server (13); - A first-user device (11) which has a function for connecting by means of a wireless network and can be connected to the cloud server (13) via the Internet; - A second user device (12), which has a function for connection by means of a wireless network and a Bluetooth function, wherein the second user device (12) can be connected to the cloud server (13) via the Internet; and - a vehicle control main unit (21) which is arranged in a vehicle (20) and has a function for connection by means of a wireless network and a Bluetooth function, the vehicle control main unit (21) by means of the Bluetooth function with the second user device (12) is connected, wherein more than first key information is set up in the vehicle control main unit (21); characterized in that after activating an electronic key sharing function (160), the first user device (11) sends a cryptographic hashed link for the electronic key information to the second user device (12); and that the second user device (12), after opening the link for the information about the electronic key, sends a hashing request for authentication of the authorization to the cloud server (13), the cloud server (13) sending the request to authenticate the authorization correctly and send a confirmation of the authorization to use and a second key information in response to the second user device (12), the second user device (12) making a request for the authentication of the second key on the basis of the second key information. Sends information to the vehicle control main unit (21), the vehicle control main unit (21) authenticating the correctness of the second key information by comparing the second key information with the first key information and, if authentication is successful, confirming the authorization to use the key in response to the Second user device (12) sends; and that the second user device (12) activates a vehicle control function and sends a vehicle control signal to the vehicle control main unit (21) so that the vehicle control main unit (21) controls the operation of the vehicle (20), the first user device (11) furthermore having a Bluetooth Function includes; the first-user device (11) sends a request for a change in the first-key information to the cloud server (13) and the cloud server (13) determines whether it is able to use the vehicle control main unit ( 21) has received a request for a connection, the cloud server (13), when receiving the request for a connection, sends the first key information to the vehicle control main unit (21), so that the first key information is stored in the vehicle control main unit (21) ; and that when the request for a connection is not received, the cloud server (13) sends the first key information to the first user device (11), so that the first key information is stored in the first user device (11), the first user device (11) is paired with the vehicle control main unit (21) through the Bluetooth function and then sends the first key information to the vehicle control main unit (21) so that the first key information is stored in the vehicle control main unit (21) and thus set up . The system according to Claim 11 , characterized in that the vehicle control main unit (21) stores the first key information and then sends a confirmation of the storage in response to the first user device (11). The system according to Claim 11 , characterized in that the vehicle control main unit (21) stores the first key information and then sends a confirmation of the storage in response to the cloud server (13).

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