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Secure communication within the PX4 platform
 Ligocki, Roman ; Martinásek, Zdeněk (oponent) ; Číka, Petr (vedoucí práce)
PX4 platform is one of the most common software packages used to control unmanned systems. It uses the MAVLink protocol for communication between the autopilot, ground control station or other devices in the MAVLink network. This protocol is specially designed to suit unmanned systems using radio with low passthrough. With the rising number of unmanned systems, the number of cyber attacks on these devices is also increasing. This diploma thesis presents an analysis of the MAVLink protocol and PX4 platform, and describes possible security vulnerabilities in telemetry connection. Based on these findings, a security implementation was created. This implementation contains encryption, access control, authentication and a key exchange system. Security implementation is based on the MonoCypher cryptography library. The whole implementation was programmed in C language. Author's goal was to share results with the community around PX4 platform. Therefore, pull requests have been created to the public repository during the final part of thesis.
Úplný záznam
Secure communication within the PX4 platform
 Ligocki, Roman ; Martinásek, Zdeněk (oponent) ; Číka, Petr (vedoucí práce)
PX4 platform is one of the most common software packages used to control unmanned systems. It uses the MAVLink protocol for communication between the autopilot, ground control station or other devices in the MAVLink network. This protocol is specially designed to suit unmanned systems using radio with low passthrough. With the rising number of unmanned systems, the number of cyber attacks on these devices is also increasing. This diploma thesis presents an analysis of the MAVLink protocol and PX4 platform, and describes possible security vulnerabilities in telemetry connection. Based on these findings, a security implementation was created. This implementation contains encryption, access control, authentication and a key exchange system. Security implementation is based on the MonoCypher cryptography library. The whole implementation was programmed in C language. Author's goal was to share results with the community around PX4 platform. Therefore, pull requests have been created to the public repository during the final part of thesis.
Úplný záznam

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