| 基于DM642以太网模块的数据加密传输 |
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| 引用本文： | 郝晓弘,柏璐.基于DM642以太网模块的数据加密传输[J].兰州理工大学学报,2007,33(5):81-84. |
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| 作者姓名： | 郝晓弘 柏璐 |
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| 作者单位： | 兰州理工大学,电气工程与信息工程学院,甘肃,兰州,730050 |
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| 基金项目： | 甘肃省科技攻关项目(GS044-A52-001-24) |
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| 摘 要： | 针对数据采集系统中的数据加密传输需求,提出一种基于TI公司的TMS320DM642芯片的以太网接入模块的数据传输方法,并且对传输的数据进行加密.该模块通过DM642特有的EMAC功能模块对数据进行传输,只要对相应的寄存器进行配置就能达到传输数据的目的,还可以利用TI提供的函数对数据包进行处理.通过加密算法对数据进行加解密传输,以达到数据安全传输的目的.最后介绍了这个模块的物理连接实现方法和编程实现方法.该方案完成了以太网为媒介的数据加密传输,且具有良好的数据传输性能.
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| 关 键 词： | DM642 以太网 加密算法 |
| 文章编号： | 1673-5196（2007）05-0081-04 |
| 修稿时间： | 2007-04-18 |
Encrypted data transmission based on ethernet module DM642 |
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| HAO Xiao-hong,BAI Lu.Encrypted data transmission based on ethernet module DM642[J].Journal of Lanzhou University of Technology,2007,33(5):81-84. |
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| Authors: | HAO Xiao-hong BAI Lu |
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| Institution: | College of Electrical and Information Engineering, Lnzhou Univ. of Tech. , Lanzhou 730050, China |
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| Abstract: | Aimed at the requirement of encrypted data transmission in data gathering system,a method of data transmission with ethernet module was presented on the basis of the chip,TMS320DM642,of TI,so that the transmitted data were encrypted.The data transmission was implemented by using the peculiar functional module EMAC of DM642.The data transmission was readily realized only by configuring the corresponding registers.Making use of the functions offered by TI,EMAC module could deal with the data packet.In order to transmit the data safely,an encryption algorithm was given.Finally,the method of the connection of this EMAC module and its physical layer device and that of programming were introduced.This new scheme realized encrypted data transmission based on ethernet module,and gained a good performance in data transmission. |
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| Keywords: | DM642 ethernet encryption algorithm |
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