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A Dive into the World of Aircraft PKI

Matt Gaffney

Details how public key infrastructure secures aircraft software parts and ground networks, addressing post-quantum transition challenges.

Summary

Public Key Infrastructure in Commercial Aviation

Modern aircraft rely on Public Key Infrastructure (PKI) to establish trusted communications between onboard avionics, ground networks, and maintenance systems.

Securing Airborne Software Parts

Cryptographic signatures guarantee the authenticity and integrity of Field Loadable Software and electronic flight bag applications before installation on aircraft computers.

Aviation Regulations and Compliance Standards

International aviation authorities mandate strict certificate management policies and cryptographic validation procedures across the aircraft maintenance lifecycle.

Post Quantum Migration Considerations

The emergence of quantum computing poses significant risks to long-lifecycle embedded avionics systems, necessitating early adoption of post-quantum cryptographic algorithms in aerospace standards.

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