Welcome to the resource topic for 2025/748
Title:
Symphony of Speeds: Harmonizing Classic McEliece Cryptography with GPU Innovation
Authors: Wen Wu, Jiankuo Dong, Zhen Xu, Zhenjiang Dong, Dung Duong, Fu Xiao, Jingqiang Lin
Abstract:The Classic McEliece key encapsulation mechanism (KEM), a candidate in the fourth-round post-quantum cryptography (PQC) standardization process by the National Institute of Standards and Technology (NIST), stands out for its conservative design and robust security guarantees. Leveraging the code-based Niederreiter cryptosystem, Classic McEliece delivers high-performance encapsulation and decapsulation, making it well-suited for various applications. However, there has not been a systematic implementation of Classic McEliece on GPU platforms. This paper presents the first high-performance implementation of Classic McEliece on NVIDIA GPUs. Firstly, we present the first GPU-based implementation of Classic McEliece, utilizing a ``CPU-GPU’’ heterogeneous approach and a kernel fusion strategy. We significantly reduce global memory accesses, optimizing memory access patterns. This results in encapsulation and decapsulation performance of 28,628,195 ops/s and 3,051,701 ops/s, respectively, for McEliece348864. Secondly, core operations like Additive Fast Fourier Transforms (AFFT), and Transpose AFFT (TAFFT) are optimized. We introduce the concept of the (T)AFFT stepping chain and propose two universal schemes: Memory Access Stepping Strategy (MASS) and Layer-Fused Memory Access Stepping Strategy (LFMASS), which achieve a speedup of 30.56% and 38.37%, respectively, compared to the native
GPU-based McEliece6960119 implementation. Thirdly, extensive experiments on the NVIDIA RTX4090 show significant performance gains, achieving up to 344$\times$ higher encapsulation and 125$\times$ higher decapsulation compared to the official CPU-based AVX implementation, decisively outperforming existing ARM Cortex-M4 and FPGA implementations.
ePrint: https://eprint.iacr.org/2025/748
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