包括以下算法： BIG2GB, cab文件压缩、解压程序源代码,DES加密算法源代码，IDEA算法源代码，Rijindael算法源代码等等，一共有15个算法-Include the following algorithm: BIG2GB cab file compression, decompression program source code, the DES encryption algorithm source code, the IDEA algorithm source code,