一种便携式水下语音通信设备加密方法  

An Encryption Method for Portable Underwater Voice Communication Equipment

作　　者：郭晓明[1] 洪小洋 冀石磊 唐升波 孙启盟 安思宇 朱向前[1] GUO Xiaoming;HONG Xiaoyang;JI Shilei;TANG Shengbo;SUN Qimeng;ZHU Xiangqian(The Third Research Institute of China Electronic Technology Group Corporation,Beijing 100015,China)

机构地区：[1]中国电子科技集团公司第三研究所,北京100015

出　　处：《电声技术》2021年第4期22-25,共4页Audio Engineering

摘　　要：为了提升水下便携式语音通信设备的信息保密性,提出一种模拟语音信息时间要素加密和频谱要素加密的双重加密方法,并通过MATLAB仿真验证了该加密方法的可行性。此外,介绍采用该加密方法的便携式水下加密语音通信机的设备组成及其在不同保密要求场合的使用方法,为便携式水下加密语音通信机的工程应用奠定理论基础。In order to improve the information confidentiality of underwater portable voice communication equipment,this paper proposes a dual encryption method which simulates the encryption of time elements and spectrum elements of voice information,and verifies the feasibility of the encryption method through MATLAB simulation.In addition,this paper introduces the composition of the portable encryption underwater voice communication device using the encryption method and the use method in different security requirements,lays a theoretical foundation for the engineering application of encrypted underwater portable voice communication machine.

关 键 词：时间密钥 频谱密钥 频谱翻转 同步机制 子带 

分 类 号：TN918.4[电子电信—通信与信息系统]