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Towards Automating Cryptographic Hardware Implementations: a Case Study of HQC

Aguilar-Melchor, Carlos and Deneuville, Jean-Christophe and Dion, Arnaud and Howe, James and Malmain, Romain and Migliore, Vincent and Nawan, Mamuri and Nawaz, Kashif Towards Automating Cryptographic Hardware Implementations: a Case Study of HQC. In: International Workshop on Code-Based Cryptography, CBCrypto 2022, 29 May 2022 - 30 May 2022 (Trondheim, Norway).

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While hardware implementations allow the production of highly efficient and performance oriented designs, exploiting features such as parallelization, their longer time to code and implement often bottlenecks rapid prototyping. On the other hand, high-level synthesis (HLS) tools allow for faster experimentation of software code to a hard- ware platform while demonstrating a reasonable extrapolation of the expected hardware behavior. In this work, we attempt to show a rapid, fast prototyping of the well known HQC algorithm, using HLS, and show how with a modification of certain parameters, varying degrees of comparable results can be obtained. These results, in turn, could be used as a guide for HDL-RTL developers to enhance their designs and better prototyping time in the future. Additionally, we also demonstrate that it is possible to benefit from HQC’s versatility; by achieving a low hardware footprint whilst also maintaining good performances, even on low-cost FPGA devices, which we demonstrate on the well known Artix-7 xc7a100t-ftg256-1.

Item Type:Conference or Workshop Item (Paper)
Audience (conference):International conference proceedings
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Deposited On:17 Mar 2023 16:00

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