Welcome to the resource topic for 2021/668
Title:
Grover on SM3
Authors: Gyeongju Song, Kyungbae Jang, Hyunji Kim, Wai-Kong Lee, Zhi Hu, Hwajeong Seo
Abstract:Grover search algorithm accelerates the key search on the symmetric key cipher and the pre-image attack on the hash function. In order to perform Grover search algorithm, the target algorithm should be implemented in a quantum circuit. For this reason, we propose an optimal SM3 hash function (Chinese standard) in a quantum circuit. We focused on minimizing the use of qubits together with reducing the use of quantum gates. To do this, the on-the-fly approach is utilized for message expansion and compression functions. In particular, the previous value is restored and used without allocating new qubits in the permutation operation. Finally, we estimate quantum resources required for the quantum pre-image attack based on the proposed SM3 hash function implementation in the quantum circuit.
ePrint: https://eprint.iacr.org/2021/668
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