Constant-Cycle Hardware Private Circuits

This repository contains the artifacts accompanying the papers on the original CCHPC1 [LMDM25] and its follow-up CCHPC1.1 [LWM26] with architectural improvements. See the respective subfolder READMEs for details.

References

[LMDM25] Daniel Lammers, Nicolai Müller, Siemen Dhooghe, and Amir Moradi. Constant-Cycle Hardware Private Circuits. IACR Transactions on Cryptographic Hardware and Embedded Systems, 2025(4).

[LWM26] Daniel Lammers, Lukas Weber, and Amir Moradi. Area Efficiency in Constant-Cycle Schemes – CCHPC1.1 and Architectural Overhead Reduction Applied to AES. IACR Transactions on Cryptographic Hardware and Embedded Systems, 2026(4).