\documentclass[a4paper]{ctexart}
\input{mypreamble}
\renewcommand{\mychapternum}{4}
\renewcommand{\mylabname}{MD5、SHA}
\renewcommand{\mydate}{2024年4月16日}

\begin{document}
\mytitle
\begin{enumerate}
    \myitem{实验目的}{
        \item MD5单步运算演示实验
        \item MD5算法演示实验
        \item SHA-1算法演示实验
        \item MD5编码实验
        \item SHA编码实验
        \item SHA2-224编码实验
        \item SHA2-256编码实验
    }
    \myitem{实验设备}{
        \item 49.52.5.80 上的虚拟机
    }
    \myitem{实验原理}{
        \item DES加密和解密
    }
    \myitem{实验结果总结}{
        \item 本实验使我充分了解了MD5和SHA系列算法的原理、过程，以及如何使用Python实现。
    }
    \myitem{实验步骤}{
        \centering

        \item MD5单步运算演示实验
        
        \includegraphics[width=1\linewidth]{imgs/2024-04-16-10-04-34.png}
        \includegraphics[height=1\textheight]{imgs/2024-04-16-10-09-39.png}
        \includegraphics[height=1\textheight]{imgs/screen_shot_1713233513479.png}

        \item MD5算法演示实验
        
        \includegraphics[width=1\linewidth]{imgs/2024-04-16-10-16-20.png}
        \includegraphics[height=1\textheight]{imgs/2024-04-16-10-17-17.png}
        \includegraphics[height=1\textheight]{imgs/screen_shot_1713233883411.png}

        \item SHA-1算法演示实验
        
        \includegraphics[width=1\linewidth]{imgs/2024-04-16-10-25-32.png}
        \includegraphics[height=1\textheight]{imgs/2024-04-16-10-29-31.png}
        \includegraphics[height=1\textheight]{imgs/screen_shot_1713234649231.png}

        \item MD5编码实验
        
        \includegraphics[width=1\linewidth]{imgs/2024-04-16-10-36-11.png}
        \includegraphics[height=1\textheight]{imgs/2024-04-16-10-37-49.png}
        \includegraphics[height=1\textheight]{imgs/2024-04-16-10-39-47.png}
        \includegraphics[height=1\textheight]{imgs/screen_shot_1713235219043.png}

        \item SHA编码实验
        
        \includegraphics[width=1\linewidth]{imgs/2024-04-16-10-46-10.png}
        \includegraphics[height=1\textheight]{imgs/2024-04-16-10-47-12.png}
        \includegraphics[height=1\textheight]{imgs/2024-04-16-10-49-36.png}
        \includegraphics[height=1\textheight]{imgs/screen_shot_1713235847126.png}

        \item SHA-224编码实验
        
        \includegraphics[width=1\linewidth]{imgs/2024-04-16-10-56-12.png}
        \includegraphics[height=1\textheight]{imgs/2024-04-16-10-56-56.png}
        \includegraphics[height=1\textheight]{imgs/2024-04-16-10-58-29.png}
        \includegraphics[height=1\textheight]{imgs/screen_shot_1713236353250.png}

        \item SHA-256编码实验
        
        \includegraphics[width=1\linewidth]{imgs/2024-04-16-11-02-37.png}
        \includegraphics[height=1\textheight]{imgs/2024-04-16-11-03-57.png}
        \includegraphics[height=1\textheight]{imgs/2024-04-16-11-04-49.png}

    }
\end{enumerate}
\end{document}