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对称密码体制中的分组密码具有速度快、易于标准化和便于软硬件实现等特点,在计算机通信和信息系统安全领域有着广泛的应用.从量子计算机的角度考虑,结合Grover量子搜索算法与经典并行搜索的思想提出搜索分组加密算法密钥的并行量子搜索模型,针对典型的分组加密算法给出其相应的量子黑箱线路设计,最后对整个线路进行了简要的性能分析.
The block cipher in symmetric cryptosystem has the advantages of fast speed, easy standardization and easy realization of hardware and software, and has been widely used in the field of computer communication and information system security.Considering quantum computer, combined with Grover quantum search algorithm and classical parallel search , Proposed a parallel quantum search model for searching the key of packet encryption algorithm. For the typical packet encryption algorithm, the corresponding quantum black box circuit design was given. Finally, a brief performance analysis of the whole circuit was carried out.