C++实现DES加密算法,结合Base64,与转换加密,并且输出DLL,可以用于网站程序调用,实现数据与文件的加密.这种加密后的数据用普通字符用HTML传输,有两层加密,可逆,不会被破解.-C++, DES encryption algorithm and Base64, and conversion of encryption, and the output DLL, can be used to call a web application, data and file encryption. This encrypted data transfer with ordinary characters with HTML, there are two layers of encryption, reversible Will not be cracked.