基于3DES算法的电话加密研究及其FPGA实现  

Telephone encryption based on 3DES algorithm and its implementation on FPGA

作　　者：阎磊[1] 侯春萍[1] 曹达仲[1] 戴居丰[1] 

机构地区：[1]天津大学电子信息工程学院,天津300072

出　　处：《计算机应用》2006年第8期1824-1826,1830,共4页journal of Computer Applications

摘　　要：针对通信安全性问题,分析了三重数据加密的密钥保管问题和语音加密的实时处理技术,提出了将算法移植到电话中加密语音信号的系统结构并进行了硬件设计。开发了加密运算的软件功能模块,并将算法模块移植到现场可编程门阵列中,在公用电话网上试验成功。研究表明,该加密功能模块可用于点对点的语音通信和其他低速率数据通信模型。With regard to communication security, the safekeeping of password and real-time processing in speech signal eneryption based on triple Data Encryption Standard （3DES） were analyzed. In addition, the basic framework of speech eneryption and the hardware system design in encryption telephone were presented. The functional module of system software was designed and the compiled program was loaded into the FPGA. The encryption telephone was validated in the public telephone net. This research indicates that the eneryption functional module can be applied to point-to-point speech communication and other low speed data traffic.

关 键 词：三重数据加密标准 语音信号 现场可编程门阵列 

分 类 号：TP309.7[自动化与计算机技术—计算机系统结构]