基于物联网技术的造纸企业网络信息安全加密系统设计  

Design of Network Information Security Encryption System for Papermaking Enterprises Based on Internet of Things Technology

作　　者：王钰 朱琳[2] WANG Yu;ZHU Lin(School of Computer Science,Xi'an Aeronautical University,Xi'an 710077,China;Motorcycle Test Technology Institute,China South Industries Group Corporation,Xi'an 710032,China)

机构地区：[1]西安航空学院计算机学院,陕西西安710077 [2]中国兵器装备集团摩托车检测技术研究所,陕西西安710032

出　　处：《造纸科学与技术》2022年第3期34-38,49,共6页Paper Science & Technology

摘　　要：现有加密系统存在敏感性较低的问题,设计一种基于物联网技术的造纸企业网络信息安全加密系统。系统的硬件模块包括网络加密卡模块、DSP数字信号处理模块、数据传输模块。网络加密卡模块主要由网卡接口、PCI接口、 FLASH及SDRAM存储芯片、JTAG接口、电压转换电路、AS接口、LED灯、PACK接口等构成。DSP数字信号处理模块由DSP芯片、芯片电源、存储器构成。其中DSP芯片选用的型号是TMS320VC5402。基于物联网技术设计数据传输模块,模块共分为三个层次:设备层、边缘层以及云中心层。系统的软件模块包括信息安全加密模块、数据库模块。在信息安全加密模块中,使用的加密算法为密钥长度和数据块长度可以改变的分组迭代加密算法。在数据库模块中,主要使用SQL Server7.0服务器构建系统数据库。测试设计系统的敏感性,测试结果表明系统具有良好的的加密性能,其密匙敏感性与密文敏感性均较高,在不同情况下加密结果差异很大,可以投入实际应用。The existing encryption system has the problem of low sensitivity.A network information security encryption system for paper enterprises based on Internet of things technology is designed.The hardware modules of the system include a network encryption card module,a DSP digital signal processing module,and a data transmission module.The network encryption card module is mainly composed of network card interface,PCI interface,FLASH and SDRAM memory chip,JTAG interface,voltage conversion circuit,AS interface,LED light,PACK interface,etc.The DSP digital signal processing module is composed of a DSP chip,a chip power supply,and a memory.The model selected for the DSP chip is TMS320 VC5402.The data transmission module is designed based on the internet of things technology.The module is divided into three levels:the device layer,the edge layer,and the cloud center layer.The software modules of the system include an information security encryption module and a database module.In the information security encryption module,the encryption algorithm used is a packet iterative encryption algorithm whose key length and data block length can be changed.In the database module,SQL Server7.0 server is mainly used to construct the system database.The sensitivity of the designed system is tested,and the test results show that the system has good encryption performance.Its key sensitivity and ciphertext sensitivity are both high.The encryption results vary greatly in different situations and can be put into practical application.

关 键 词：物联网技术 造纸企业 网络信息 串行配置芯片 安全加密系统 加密服务器 混沌算法 

分 类 号：TP309[自动化与计算机技术—计算机系统结构]