Research on the Key Management Scheme of Unmanned Aerial Vehicles Based on Lkh

With the rapid development of the unmanned aerial vehicle (UAV) technology, UAVs are increasingly used in a lot of fields. Encryption and authentication are commonly used to ensure the security of the UAV communication. The key management is a crucial factor in the UAV network communication security. This paper proposes a key management scheme for UAV networks based on Logical Key Hierarchy (LKH). By constructing an adaptive LKH structure and optimized key management algorithm, the efficient distribution and management of keys are realized to enhance the security and flexibility of UAV networks. Combined with the Blom key predistribution scheme, it enhances the system reliability and network connectivity. The key management structure, key predistribution protocol, member communication process and key update protocol are introduced in detail, and the security and flexibility of the scheme are analyzed. It provides a new idea and method for the key management in UAV networks. Theoretical analysis and performance evaluation show its feasibility and practicality in the future UAV communication security.