Open access
Aug 2026
Compressed FHE: Accelerating Encrypted Matrix Multiplication in CKKS with Precision-Balanced Low-Rank Factor Chains
Experimental evaluations demonstrate that encrypted low-rank matrix multiplications achieve both significant runtime improvements and reduction of ciphertext sizes over direct or tree-based encrypted multiplications while maintaining the prescribed accuracy.
D. Schoinianakis, M. Sabzevari
· IACR Cryptology ePrint Archi... · 0 citations