基于http隐蔽通信，主要用于发送隐蔽信息。代码中包括详代码注释。-Http covert communication based mainly used to send hidden messages. Code includes detailed code comments.

代提取码的网络硬盘，服务器负载小，隐秘程序 重要说明 upfiles目录在，用ftp软件赋予7777权限，就可以解决一些unix主机的权限问题-Hard-generation network extraction code, the server load is small, covert program Important upfiles directory gives 7777 permission to use ftp software, you can solve some permis