Patent ID: 8341413
Filing Date: 2012-12-25
Classification: G08G,H04L,H04W

Abstract:
1. Communication method comprising: receiving digital data by at least one aircraft from a ground station, prior to a flight, the digital data including predetermined information generated at the ground station corresponding to the flight, the at least one aircraft performing the flight based on the digital data received from the ground station, receiving by the at least one aircraft at least one identification information item identifying the received digital data, after the flight, digital signing said digital data received by said aircraft prior to the flight to generate a digital signature, and transmitting said digital signature to the ground station after the flight without transmitting any of the received and signed digital data to the ground station, wherein said digital signature is transmitted with the received at least one identification information item identifying said received and signed digital data, said identification information item being of lesser size than said received digital data.