This paper briefly described the voice encryption communication system design project which use sounder based on computer network. The hardware system constitution is shown in the paper.
主要介绍应用声码器基于网络系统设计的语音加密通信系统方案，给出了硬件系统组成结构。
Hardware encryption has great advantages to software encryption, it will free computer CPU and improve system overall performation.
硬件加密具有软件加密不可比拟的优势，可极大地提高系统地整体性能。
After having realized the hardware circuit, this paper discusses software design of digital chaos encryption system in detail.
在实现了硬件系统设计之后，本文对数字混沌加密系统的软件设计也作了详细的分析和介绍。
Hardware encryption technology solves the problem that the software encryption may cause the key computed in the memory or system resources occupied.
硬件加密技术解决了软件加密在加密运算时的密钥出现在内存和占用系统资源两个不足之处。
The ISA card is made of X76F100 and the hardware principle, the principle of encryption method, the design of the cipher software and the safety characteristics of the system are also described.
同时，还详细论述了加密系统中ISA卡的硬件原理、四码代数加密法的原理、加密软件的设计以及系统的安全特性。
The ISA card is made of X76F100 and the hardware principle, the principle of encryption method, the design of the cipher software and the safety characteristics of the system are also described.
同时，还详细论述了加密系统中ISA卡的硬件原理、四码代数加密法的原理、加密软件的设计以及系统的安全特性。
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