基于混沌序列的网络信息安全加密系统设计
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摘要
为了提高网络信息安全性能,改进原系统得到一种基于混沌序列的网络信息安全加密系统设计。该系统设计包含硬件设计和软件设计两部分,使用DM9000型号的芯片设计系统控制器,使信息地址存放在具有可擦属性的只读存储器中,支持网络信息的加密传输。将该控制器添加在外围底板电路中,使电压安全转换。根据混沌序列加密原理,引入扰动混沌映射,保证输出的序列为理想状态下的加密序列。并设置新密钥管理机制,实现对网络信息的安全加密。为了验证系统设计的合理性,对其保密性进行实验验证分析,结果表明,吞吐量对传统系统的保密程度影响较大,与基于混沌序列系统保密程度最高值相差16%,最低值相差17%。在网络信息安全加密系统中引入扰动混沌映射方法,可提高系统的保密程度约20%,该系统具有较高的保密性和实用价值。
The design of network information security encryption system based on chaotic sequence is obtained by improving the original system to improve the network information security performance. The system design includes hardware design and software design. The DM9000 chip is used to design the system controller,which makes the information address store in the read-only memory with erasable attribute,and supports the encrypted transmission of network information. The controller is added into the peripheral backplane circuit to ensure the voltage safe conversion. According to the chaotic sequence encryption principle,the disturbance chaotic mapping is introduced to output the ideal encryption sequence. A new secret key management mechanism is set to realize the security encryption of network information. In order to verify the rationality of the system design,the experimental verification and analysis are carried out for the confidentiality of the system. The experimental results show that the throughput has a significant impact on the confidentiality degree of the traditional system,the maximum confidentiality degree of the system based on chaotic sequence is 16% higher than that of the traditional system,and the minimum confidentiality degree of the system based on chaotic sequence is 17% higher than that of the traditional system. The disturbance chaotic mapping method introduced into the network information security encryption system can increase the system confidentiality about 20%. The system has high confidentiality and practical value.
The design of network information security encryption system based on chaotic sequence is obtained by improving the original system to improve the network information security performance. The system design includes hardware design and software design. The DM9000 chip is used to design the system controller,which makes the information address store in the read-only memory with erasable attribute,and supports the encrypted transmission of network information. The controller is added into the peripheral backplane circuit to ensure the voltage safe conversion. According to the chaotic sequence encryption principle,the disturbance chaotic mapping is introduced to output the ideal encryption sequence. A new secret key management mechanism is set to realize the security encryption of network information. In order to verify the rationality of the system design,the experimental verification and analysis are carried out for the confidentiality of the system. The experimental results show that the throughput has a significant impact on the confidentiality degree of the traditional system,the maximum confidentiality degree of the system based on chaotic sequence is 16% higher than that of the traditional system,and the minimum confidentiality degree of the system based on chaotic sequence is 17% higher than that of the traditional system. The disturbance chaotic mapping method introduced into the network information security encryption system can increase the system confidentiality about 20%. The system has high confidentiality and practical value.
引文
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[13]李凯佳,俞锐刚,袁凌云.基于DNA-记忆元胞自动机与Hash函数的图像加密算法[J].计算机工程与设计,2017,38(2):470-477.LI Kaijia,YU Ruigang,YUAN Lingyun.Image encryption algorithm based on DNA-memory element automaton and Hash function[J].Computer engineering and design,2017,38(2):470-477.
[2]ZHAO Zhiwei,BI Meihua,CHEN Ruilan,et al.IMDD-OFDMencrypted system based on data completed scrambling with chaos sequence[J].Optical communication technology,2017,41(6):12-16.
[3]李学国,沈应兰,康先琼.超混沌双向认证的隐私信息安全加密算法[J].科技通报,2017,33(8):152-155.LI Xueguo,SHEN Yinglan,KANG Xianqiong.Privacy information encryption algorithm based on hyperchaotic bidirectional authentication[J].Bulletin of science and technology,2017,33(8):152-155.
[4]汤任君,段竞哲,邓洪敏.Logistic混沌序列和DES算法的图像加密方法[J].计算机应用,2017,37(1):89-92.TANG Renjun,DUAN Jingzhe,DENG Hongmin.Image encryption algorithm based on Logistic chaotic sequence and DES[J].Journal of computer applications,2017,37(1):89-92.
[5]闫乐乐,李辉.基于复合混沌序列的动态密钥AES加密算法[J].计算机科学,2017,44(6):133-138.YAN Lele,LI Hui.Dynamic key AES encryption algorithm based on compound chaotic sequence[J].Computer science,2017,44(6):133-138.
[6]朱淑芹,李俊青,葛广英.基于一个新的四维离散混沌映射的图像加密新算法[J].计算机科学,2017,44(1):188-193.ZHU Shuqin,LI Junqing,GE Guangying.New image encryption algorithm based on new four-dimensional discrete-time chaotic map[J].Computer science,2017,44(1):188-193.
[7]蒲越,李国东,赵静.基于细胞神经网络混沌特性的音频加密技术应用[J].云南大学学报(自然科学版),2017,39(4):539-546.PU Yue,LI Guodong,ZHAO Jing.On application of audio encryption technology based on chaotic of cellular neural network[J].Journal of Yunnan University(natural sciences edition),2017,39(4):539-546.
[8]陈宁,贺小滨,桂卫华,等.基于混沌离散序列的图像加密算法研究[J].上海交通大学学报,2017,51(10):1273-1280.CHEN Ning,HE Xiaobin,GUI Weihua,et al.Research on image encryption system based on chaotic discrete sequence[J].Journal of Shanghai Jiao Tong University,2017,51(10):1273-1280.
[9]邸亚洲,高峰,王小飞,等.航空发动机性能参数的混沌识别与预测[J].电子设计工程,2017,25(3):141-144.DI Yazhou,GAO Feng,WANG Xiaofei,et al.Chaotic recognition and forecasting of aeroengine performance parameter[J].Electronic design engineering,2017,25(3):141-144.
[10]王可,张红伟,李晓辉.基于DNA编码运算和混沌系统的图像分块加密算法[J].电视技术,2017,41(3):6-10.WANG Ke,ZHANG Hongwei,LI Xiaohui.Image block encryption algorithm based on DNA code operation and chaotic system[J].Video engineering,2017,41(3):6-10.
[11]车念,赵士元,丁莎.融合多重加解密算法的保密通信系统[J].计算机工程与设计,2017,38(4):936-940.CHE Nian,ZHAO Shiyuan,DING Sha.Secure communication system with combination of multiple encryption algorithm[J].Computer engineering and design,2017,38(4):936-940.
[12]曹光辉,张兴,贾旭.基于混沌理论运行密钥长度可变的图像加密[J].计算机工程与应用,2017,53(13):1-8.CAO Guanghui,ZHANG Xing,JIA Xu.Image encryption with variable-length running key based on chaotic theory[J].Computer engineering and applications,2017,53(13):1-8.
[13]李凯佳,俞锐刚,袁凌云.基于DNA-记忆元胞自动机与Hash函数的图像加密算法[J].计算机工程与设计,2017,38(2):470-477.LI Kaijia,YU Ruigang,YUAN Lingyun.Image encryption algorithm based on DNA-memory element automaton and Hash function[J].Computer engineering and design,2017,38(2):470-477.