CPC G06F 21/44 (2013.01) [G06F 21/602 (2013.01); H04L 9/14 (2013.01)] | 20 Claims |
1. A data link layer frame for communication be participants of a bus-based communication system in a vehicle, the data link layer frame comprising: an indication, the indication configured to indicate a level of authenticity and a level of data security of the data link layer frame on data link layer, based on the data link layer frame being only authenticated, or being authenticated and encrypted.
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