Technique for Signing Data with a Digital Vehicle Key

A method for verifying data signed with a digital vehicle key, the method comprising the steps of:

• sending an indication of a selected signature mode, wherein the signature mode is selected from at least one first signature mode and a second signature mode, wherein the at least one first signature mode concerns signing with the participation of a user, and the second signature mode concerns signing without the participation of the user;
• receiving signed data;
• verifying the received signed data;
• and
• sending a response based on the verification of the signed data.

A system, comprising:

• a motor vehicle configured to store a digital vehicle key;
• a mobile device comprising one or more processors configured to sign data with the digital vehicle key by executing a method comprising steps of:
• receiving an indication of a selected signature mode, wherein the signature mode is selected from at least one first signature mode and a second signature mode,
• wherein the at least one first signature mode concerns signing with the participation of a user, and the second signature mode concerns signing without the participation of the user;
• initiating a signing of data according to the selected signature mode;
• sending the signed data;
• and
• receiving a response regarding the signed data;
• and
• a backend server comprising one or more processors configured to verify data signed with the digital vehicle key by executing a method comprising steps of:
• sending an indication of a selected signature mode, wherein the signature mode is selected from at least one first signature mode and the second signature mode;
• receiving signed data;
• verifying the received signed data;
• and
• sending a response based on the verification of the signed data.