Abstract
AbstractAutomatic dependent surveillance‐broadcast is an emerging surveillance technology for the future “e‐enabled” aircrafts, which will make it possible for aircrafts to share their location data with neighboring aircrafts, ground controllers, and other interested parties. In order to provide the automatic dependent surveillance‐broadcast communications with a high level of accuracy and integrity, a reliable authentication mechanism is required. So far, however, very few cryptographic solutions have been offered to achieve this in the literature. Even existing solutions have faced the following challenges: (i) the authentication solutions based on regular digital signature require complex management of public‐key infrastructureell; and (ii) signing messages exchanged or broadcast frequently in aircraft‐to‐aircraft and aircraft‐to‐ground communication modes can cause a computational bottleneck easily. In order to address these challenges, we take a fresh approach to building up an authentication framework by introducing a new online/offline identity‐based signature scheme. Our scheme will resolve the public‐key infrastructure management issue by using the identities of aircrafts as public keys and will achieve a high efficiency through online/offline signature generation. Copyright © 2014 John Wiley & Sons, Ltd.
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