Method for safely unlocking and/or locking a vehicle

1. A method for securely wirelessly unlocking and/or locking a vehicle using a mobile radio, the method comprising:

detecting a motion interaction or audio interaction of a user on or with the mobile radio;

accessing, in a memory device of the mobile radio, a characteristic user interaction that corresponds to a vehicle opening command;

establishing whether the user interaction matches the characteristic user interaction; and

in response to the match, responding to an authentication request from the vehicle that has been obtained by the mobile radio with an encrypted response message that is sufficient to unlock the vehicle,

wherein the responding to the authentication request comprises:

in response to the match, switching a mobile authentication module on the mobile radio from inactive to active for a predetermined period of time, and the mobile radio being set up to communicate with the vehicle via a wireless short range communication link for the predetermined period of time.

2. The method of claim 1 , further comprising sending the encrypted response message to the vehicle via the wireless short range communication link during the predetermined period of time.

3. The method of claim 1 , further comprising:

obtaining the authentication request from the vehicle via the wireless short range communication link during the predetermined period of time, and

generating an encrypted response message using a coding key stored in the mobile radio.

4. The method of claim 1 , wherein the mobile radio comprises a smartphone or a smartwatch having at least one motion sensor or acceleration sensor, and the detecting of a motion interaction or audio interaction of the user comprises detecting tapping, turning and/or vibrations.

5. The method of claim 1 , wherein the characteristic user interaction comprises a particular combination of tapping, turning and/or vibrations that has previously been stored in the mobile radio.

6. The method of claim 1 , wherein the mobile radio further comprises an NFC receiver in addition to the at least one motion sensor or acceleration sensor; and

the detecting of a motion interaction or audio interaction of the user comprises the detecting of the presence, in the area of the short range radio receiver, of a user item having an NFC transmitter.

7. The method of claim 6 , wherein the user item comprises an NFC-compatible finger ring.

8. The method of claim 6 , wherein the mobile radio comprises a microphone in addition to the at least one motion sensor or acceleration sensor; and

the detecting of a motion interaction or audio interaction of the user comprises the detecting of inaudible sounds.

9. The method of claim 1 , wherein the characteristic user interaction comprises a particular combination of inaudible sounds that has previously been stored in the mobile radio.

10. A mobile radio for unlocking a vehicle, the mobile radio comprising:

one or more sensors for detecting motion and/or sounds;

a memory device for storing a characteristic user interaction that corresponds to a vehicle opening command; and

a processor that performs a method for securely wirelessly unlocking and/or locking the vehicle using the mobile radio, the method comprising:

detecting a motion interaction or audio interaction of a user on or with the mobile radio;

accessing, in the memory device of the mobile radio, a characteristic user interaction that corresponds to a vehicle opening command;

establishing whether the user interaction matches the characteristic user interaction; and

in response to the match, responding to an authentication request from the vehicle that has been obtained by the mobile radio with an encrypted response message that is sufficient to unlock the vehicle,

wherein the responding to the authentication request comprises:

in response to the match, switching a mobile authentication module on the mobile radio from inactive to active for a predetermined period of time, and the mobile radio being set up to communicate with the vehicle via a wireless short range communication link for the predetermined period of time.

11. The mobile radio of claim 10 , wherein the method performed by the processor further comprises sending the encrypted response message to the vehicle via the wireless short range communication link during the predetermined period of time.

12. The mobile radio of claim 10 , wherein the method performed by the processor further comprises:

obtaining the authentication request from the vehicle via the wireless short range communication link during the predetermined period of time, and

generating an encrypted response message using a coding key stored in the mobile radio.

13. The mobile radio of claim 10 , wherein the mobile radio comprises a smartphone or a smartwatch having at least one motion sensor or acceleration sensor, and the detecting of a motion interaction or audio interaction of the user comprises detecting tapping, turning and/or vibrations.

14. The mobile radio of claim 10 , wherein the characteristic user interaction comprises a particular combination of tapping, turning and/or vibrations that has previously been stored in the mobile radio.

15. The method of claim 1 , wherein the mobile radio further comprises an NFC receiver in addition to the at least one motion sensor or acceleration sensor; and

wherein the detecting of a motion interaction or audio interaction of the user comprises the detecting of the presence, in the area of the short range radio receiver, of a user item having an NFC transmitter.

16. The mobile radio of claim 15 , wherein the user item comprises an NFC-compatible finger ring.

17. The mobile radio of claim 15 , wherein the mobile radio comprises a microphone in addition to the at least one motion sensor or acceleration sensor; and

the detecting of a motion interaction or audio interaction of the user comprises the detecting of inaudible sounds.

18. The mobile radio of claim 10 , wherein the characteristic user interaction comprises a particular combination of inaudible sounds that has previously been stored in the mobile radio.

19. The mobile radio of claim 10 , wherein the mobile radio comprises a smartphone or a smartwatch having at least one motion sensor or acceleration sensor and/or an NFC receiver and/or a microphone.

20. An apparatus for unlocking a vehicle, comprising:

a communication module for setting up a wireless short range communication link to a mobile radio;

a sensor for detecting the attempt of a user to open a vehicle door; and

a processor that is set up

to transmit an authentication request to the mobile radio via the wireless short range communication link; and

in response to obtaining the encrypted response message, to unlock the vehicle,

wherein the mobile radio includes one or more sensors for detecting motion and/or sounds, a memory device for storing a characteristic user interaction that corresponds to a vehicle opening command, and a processor that performs a method for securely wirelessly unlocking and/or locking the vehicle using the mobile radio, the method comprising:

detecting a motion interaction or audio interaction of a user on or with the mobile radio;

accessing, in the memory device of the mobile radio, a characteristic user interaction that corresponds to a vehicle opening command;

establishing whether the user interaction matches the characteristic user interaction; and

in response to the match, responding to an authentication request from the vehicle that has been obtained by the mobile radio with an encrypted response message that is sufficient to unlock the vehicle,

wherein the responding to the authentication request comprises:

in response to the match, switching a mobile authentication module on the mobile radio from inactive to active for a predetermined period of time, and the mobile radio being set up to communicate with the vehicle via a wireless short range communication link for the predetermined period of time.

21. A vehicle comprising the apparatus according to claim 20 .

22. A non-transitory computer program product having program code for performing a method for securely wirelessly unlocking and/or locking a vehicle using a mobile radio when the program product is executed on an apparatus or a vehicle, the method comprising:

detecting a motion interaction or audio interaction of a user on or with the mobile radio;

accessing, in a memory device of the mobile radio, a characteristic user interaction that corresponds to a vehicle opening command;

establishing whether the user interaction matches the characteristic user interaction; and

in response to the match, responding to an authentication request from the vehicle that has been obtained by the mobile radio with an encrypted response message that is sufficient to unlock the vehicle,

wherein the responding to the authentication request comprises:

in response to the match, switching a mobile authentication module on the mobile radio from inactive to active for a predetermined period of time, and the mobile radio being set up to communicate with the vehicle via a wireless short range communication link for the predetermined period of time.

23. The non-transitory computer program product of claim 22 , wherein the method further comprises sending the encrypted response message to the vehicle via the wireless short range communication link during the predetermined period of time.

24. The non-transitory computer program product of claim 22 , wherein the method further comprises:

obtaining the authentication request from the vehicle via the wireless short range communication link during the predetermined period of time, and

generating an encrypted response message using a coding key stored in the mobile radio.

25. The non-transitory computer program product of claim 22 , wherein the mobile radio comprises a smartphone or a smartwatch having at least one motion sensor or acceleration sensor, and the detecting of a motion interaction or audio interaction of the user comprises detecting tapping, turning and/or vibrations.

26. The non-transitory computer program product of claim 22 , wherein the characteristic user interaction comprises a particular combination of tapping, turning and/or vibrations that has previously been stored in the mobile radio.

27. The non-transitory computer program product of claim 22 , wherein the mobile radio further comprises an NFC receiver in addition to the at least one motion sensor or acceleration sensor; and

the detecting of a motion interaction or audio interaction of the user comprises the detecting of the presence, in the area of the short range radio receiver, of a user item having an NFC transmitter.

28. The non-transitory computer program product of claim 27 , wherein the user item comprises an NFC-compatible finger ring.

29. The non-transitory computer program product of claim 27 , wherein the mobile radio comprises a microphone in addition to the at least one motion sensor or acceleration sensor; and

the detecting of a motion interaction or audio interaction of the user comprises the detecting of inaudible sounds.

30. The non-transitory computer program product of claim 22 , wherein the characteristic user interaction comprises a particular combination of inaudible sounds that has previously been stored in the mobile radio.