In order to provide secure transmission over a low-bandwidth, high latency data link, and the need for cyber-security must be properly addressed. This paper focuses on utilizing two ground stations with a satellite in order to transmit data over a wireless medium. The key issue of security arises when confidential information is being transferred, which can be breached by outside forces. By syncing two databases with one another, one in the sky collecting data, and two others on ground receiving data, secure connectivity is implemented. To this end, a process utilizing AES encryption and decryption by using a secret symmetric key which is never shared with outside forces was developed and implemented. The system connects multiple databases. Database 1 generates cipher text which can only be read if it is decrypted. The encrypted message is securely transmitted and then decrypted with the secret decryption key. The original message is then inserted into ground stations: database 2 and database 3. If there is a sync problem or data loss, an error will be detected, and the two databases at ground station communicate with each other and keep the data in sync, reducing retransfer of lost data, and preventing any spoofing, or man-in-the middle attacks.
Secure Satellite Database Transmission
2019-03-01
598192 byte
Conference paper
Electronic Resource
English
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