Md5.java是一个字符串加密算法类的代码文件，如果你在用JAVA开发一些应用，这个MD5算法类或许可以直接套用，代码中的关键部分带有注释，部分注释是英文的，不过认真看可以看懂。-Md5.java encryption algorithm is a string class code file, if you are developing some applications using JAVA, the MD5 algorithm may be directly applied to the class, a key part of the code with comments, some comments are in English, but a serious look can understand.