2 papers
cs.CR2026
Utilizing Circulant Structure to Optimize the Implementations of Linear Layers
Buji Xu, Xiaoming Sun
In this paper, we propose a novel approach for optimizing the linear layer used in symmetric cryptography. It is observed that these matrices often have circulant structure. The ba…
quant-ph2025
Almost Optimal Synthesis of Reversible Function in Qudit Model
Buji Xu, Junhong Nie, Xiaoming Sun
Quantum oracles are widely adopted in problems, like query oracle in Grover's algorithm, cipher in quantum cryptanalytic and data encoder in quantum machine learning. Notably, the…