说明：  含有多种公开密钥算法、多种块加密、多种数据流加密、多种HASH函数、多种CheckSum校验、多种MAC校验等几十种加密算法的程序
(Contain a wide range of public key algorithm, multi-block encryption, multiple data stream encryption, multi-HASH function, multi-Checksum validation, multi-MAC check dozens of encryption algorithm, such as procedures)