As part of the research work done at NXP, Adrian Marotzke has completed his research in isochronous fixed-weight sampling in hardware, as started under the project Convolve and completed under FOCAL.
Summary:
We present hardware implementations of the recently proposed isochronous fixed-weight sampling algorithm by Décio Luiz Gazzoni Filho, Tomás S. R. Silva, Julio López (CiC vol. 1, 2024) and apply them to the post-quantum cryptographic algorithms NTRU-HPS, Streamlined NTRU Prime and Classic McEliece. We offer multiple implementations, optimized for different targets: A high-area high-performance implementation, a lightweight low-area implementation, as well as a side-channel secure implementation using gadget-based masking. We verify the security of our masked implementation using the PROLEAD leakage detection tool. We show that the sampling algorithm results in highly efficient and effective implementations for the NTRU-like schemes, outperforming existing hardware implementations for fixed-weight sampling.
The preprint can be accessed here.
The code artifact is available here.
About the CONVOLVE project:
CONVOLVE enforces Europe’s position in the design and development of smart edge-processors, such that it can become a dominant player in the global edge processing market. This requires a holistic approach that will address the whole design stack from application, model, compiler, system architecture, micro architecture, circuit and device.
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