Patent ID: 9118659
Filing Date: 2015-08-25
Classification: H04L

Abstract:
1. A method for protecting a plurality of location-related messages transmitted by at least one provider to at least one of a plurality of temporally changing recipients or a plurality of temporally changing receiver facilities in at least one specific locality, which comprises the steps of: performing a transmission carried out by the provider of messages each exhibiting in each case a signature as proof of creatorship by the provider and a belonging to a respective message, to the at least one specific locality; providing public key certificates via at least one key provider, the public key certificates being valid for the specific locality; allocating a location-time characteristic curve or a temporal change of the specific locality to the public key certificates, for which the public key certificates are valid; allocating a size and a position of the specific locality to the public key certificates, for which the public key certificates are valid; checking the signature of each of the messages received by means of the public key certificates; and verifying or determining a false status of the respective message according to a result of the checking.