密码学教学实验工具是《密码学基础》实验教学的辅助工具软件，由DES加密算法、随机性测试、素数工具和辗转相除法四部分组成。该软件的运行平台为windows2000/2003/XP，通过执行Crypt.exe启动，包含Crypt.exe和相关库文件。(Cryptography teaching experiment tool is the auxiliary software of cryptography experiment teaching. It consists of four parts