利用openssl进行加密解密，其中实现了aes、3des、rsa算法，包括测试程序。下了编译不通过请参考openssl配置，动态链接库路径以及包含头文件路径是否正确。-Use openssl for encryption and decryption, which achieved a aes, 3des, rsa algorithm, including testing procedures. Under the compiler does not pass, please refer to openssl configuration, dynamic link library contains the header file path and the path is correct.