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Xuguang Jia

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Proceedings Article | 12 May 2023 Paper

An FPGA partial reconfiguration method for satellite cryptographic device verification

Jianeng Li, Ningning Song, Xuguang Jia, Long Wang

Proceedings Volume 12641, 1264108 (2023) https://doi.org/10.1117/12.2679163

KEYWORDS: Field programmable gate arrays, Design and modelling, Satellites, Telecommunications, Logic, Satellite communications, Internet, Data communications, Time division multiplexing, Network security

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As a core hardware in the development of satellite cryptographic devices, FPGAs are required to go through extensive functional correctness validation before finally bound to the channel equipment. However, the diversity of satellite communication systems and the bad habits of some developers often lead to the ineffective reuse of verification module. To improve the reuse rate of verification module and the verification efficiency of cryptographic devices, we propose an FPGA partial reconfiguration method based on minimum functional unit division (MFD). First, we present a formal description of the minimum functional unit (MFU), which is a collection of modules that are highly cohesive and atomized with respect to the system's entire functional design. Then a reconfiguration method based on MFU global search is given as an implementation of MFD. Next, the performance of MFD is analyzed in terms of reconfiguration granularity, implementation complexity, extensibility and module reuse rate, and the analysis results show a good performance in optimizing FPGA partial reconfiguration design. Finally, we design a MFD based satellite cryptographic device verification platform, in which the hardware interface, communication protocol, cryptographic algorithm and other functional modules are selected as MFU to complete the partial reconfiguration design. The design of the platform based on MFD shows the practicability of MFD, which can provide theoretical guidance for further applying FPGA partial reconfiguration technology in satellite cryptographic device verification platform.

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