其主要原理是在数据通信前，用DES方法对消息明文进行加密，同时用RSA方法对DES密钥进行加密和实现数字签名。
The main principle is that before data communication, encrypts the message plaintext by using DES mode and encrypts DES key by using RSA mode and realizes the digital signature.
算法原理简单，传感器节点无须任何附加硬件或附加数据通信，通信、计算复杂度较低。
It is simple to implement with low complexity in communication and computation. No additional hardware or data communication is required for sensor nodes.
本文从数据通信的构成原理分析着手，着重对有线数据通信的应用进行分析，提出了常用的几种有线数据通信方法。
The article is focus on the analysis of the principles and application of cable data communication and shows several usual communication ways.
本文从数据通信的构成原理分析着手，着重对有线数据通信的应用进行分析，提出了常用的几种有线数据通信方法。
The article is focus on the analysis of the principles and application of cable data communication and shows several usual communication ways.
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