Improved Quantum Circuits for AES: Reducing the Depth and the Number of Qubits

ePrint Report: Improved Quantum Circuits for AES: Reducing the Depth and the Number of Qubits

Qun Liu, Bart Preneel, Zheng Zhao, Meiqin Wang

Quantum computers hold the potential to solve problems that are intractable for classical computers, thereby driving increased interest in the development of new cryptanalytic ciphers. In NIST's post-quantum standardization process, the security categories are defined by the costs of quantum key search against AES. However, the cost estimates provided by Grassl et al. for the search are …

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