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Sponsored Artificial Intelligence: A Modern Approach, Global Edition Artificial Intelligence: A Modern Approach, Global Edition

Author

Zhi-Han Xu

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Preprint Sep 2026

FPGA Acceleration of Fully Homomorphic Encryption with Adaptive Key Switching

Fully Homomorphic Encryption (FHE) enables privacy-preserving cloud services but incurs substantial computation overhead, making hardware acceleration essential. Among FHE operations, key-switching is a major performance bottleneck. Recent cryptographic advances introduce a novel key-switching method (i.e., KLSS) that...

Zhi-Han Xu, Jayashree Adivarahan, Rajgopal Kannan et al. · 0 citations
Aug 2026

S2MM: Scalable FPGA Acceleration of Secure Matrix Multiplication with Homomorphic Encryption

S2MM is presented, the first scalable FPGA-based accelerator designed for HE MM, and a novel datapath for Homomorphic Linear Transformation (HLT), the dominant workload in HE MM is proposed, enabling fine-grained on-chip data reuse and substantially reducing both off-chip memory traffic and on-chip memory demand.

Zhi-Han Xu, Rajgopal Kannan, Viktor K. Prasanna · 0 citations

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