期刊 高速信息防护传输系统中密钥同步方案  

Secret Key Synchronization Scheme in High-Speed Information Protection Transmission System

作  者:时帅 李沼云[1] 

Shi Shuai;Li Zhaoyun(Optical Network Security and Optoelectronics Laboratory,The 34th Research Institute of CETC,Guilin,Guangxi 541004,China)

机构地区:[1]中国电子科技集团公司第三十四研究所光网络安全与光电子部,广西桂林541004

出  处:《激光与光电子学进展》2020年第13期127-133,共7页Laser & Optoelectronics Progress

Secret Key Synchronization Scheme in High-Speed Information Protection Transmission System

基  金:广西创新驱动发展专项(科技重大专项项目)(AA0803);广西区高校科研项目(2018KY0853)。

摘  要:低速信息防护传输系统中使用的同步技术无法直接应用于高速信息防护传输系统,在高速信息防护传输系统若要正确提取密文,通信双方必须同步,从而使接收端能够准确地界定数据传输过程中有效数据的起始位置和终止位置。针对光量子噪声加密的高速信息防护传输系统,提出一种有效的密钥同步方案。设计了同步帧结构及同步过程,并周期性测量信道传输时延,迭代估算传输时延差以修正解密密钥到达时刻,完成高速信息传输下解密密钥与密文的同步。实验分析了影响密钥同步的重要参数,验证了该方案的可行性,并在实验所得数据的基础上分析了同步方案的成功率和误码率等关键性能指标。

The synchronization technology used in low-speed information protection transmission systems cannot be directly applied to high-speed information protection transmission systems.To correctly extract the ciphertext in high-speed information protection transmission systems,both communication parties must be synchronized so that the receiving end can accurately define the data transmission process,as well as the start and end positions of valid data.For a high-speed information protection transmission system encrypted using optical quantum noise,an effective key synchronization scheme is proposed herein.The synchronization frame structure and synchronization process are designed,the channel transmission delay is periodically measured,and the difference is iteratively estimated to correct the arrival time of the decryption key to complete the synchronization of the decryption key and the ciphertext under high-speed information transmission.This study analyzes the important parameters that affect the key synchronization,verifies the feasibility of the scheme,and analyzes the key performance indicators such as the success rate and bit error rate of the synchronization scheme based on the experimentally-obtained data.

关 键 词:光通信 高速信息防护传输系统 成功率 同步 量子噪声 密钥 

optical communications high-speed information protection transmission system success rate synchronization quantum noise secret key 

分 类 号:O431[机械工程—光学工程]

 

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