使用MFC实现的sha1算法，可以高效地计算出任意文件的哈希值，已通过测试，欢迎下载-Using the MFC implementation sha1 algorithm can efficiently calculate the hash value of an arbitrary file, has passed the test, please download the

实现sha1算法，里面包含sha1类和MFC测试工程，已测试通过，非常正确，用于项目中非常好。-Achieve sha1 algorithm, which contains sha1 MFC classes and test engineering, has been tested, very correct, very good for the project.