MD5程序，对选择文件进行加密，只是一个简单的演示，仅供参考-MD5 procedures, select the file to be encrypted, just a simple demonstration, are for reference only

m5 源代码-m5 source code

采用位置变换算法的加密解密系统，可以被改写成dll文件，处理文字加密与解密尝试-Location transform algorithm using encryption and decryption system that can be rewritten as dll files, text encryption and decryption attempt to deal with