CPC H04L 9/0861 (2013.01) [H04L 9/0819 (2013.01); H04L 9/0891 (2013.01); H04L 9/0897 (2013.01); H04L 2209/84 (2013.01)] | 18 Claims |
1. A method for the vehicle-internal management of cryptographic keys comprising:
providing at least one secret for a vehicle-internal key generation device;
generating at least one new cryptographic key by the vehicle-internal key generation device on the basis of the at least one secret, the at least one new cryptographic key replacing an old cryptographic key; and
providing at least one new cryptographic key to a first vehicle-internal control device and a second vehicle-internal control device, wherein the first vehicle-internal control device and the second vehicle-internal control device are configured to replace the old cryptographic key with the at least one new cryptographic key and perform secured communication between each other secured using the at least one new cryptographic key,
wherein the generation of the at least one new cryptographic key and the providing of the at least one new cryptographic key takes place autonomously triggered by one of:
one of an environmental change and a security event.
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