| 嵌入式的视频加密网关的研制 |
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| 引用本文： | 刘建英,张镭.嵌入式的视频加密网关的研制[J].计算机工程与应用,2007,43(8):131-133,136. |
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| 作者姓名： | 刘建英 张镭 |
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| 作者单位： | 武汉大学,计算机学院,武汉,430079 |
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| 摘 要： | 介绍了一种应用在视频会议系统中的嵌入式视频加密网关的设计原理和实现方法。嵌入式视频加密网关能对视频数据进行加密处理,并提供了H.323协议的代理服务功能,使得各H.323终端可通过不可信网络进行保密安全通信。嵌入式视频加密网关采用了Trimedia PNX1300多媒体处理芯片和pSOS操作系统,具有系统独立性,能方便地对现有视频会议系统进行升级。
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| 关 键 词： | 视频会议 视频加密 H.323代理服务 Trimedia PNX1300 |
| 文章编号： | 1002-8331（2007）08-0131-03 |
| 修稿时间： | 2006-08 |
Design and development of video encryption gateway based on embedded system |
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| LIU Jian-ying,ZHANG Lei.Design and development of video encryption gateway based on embedded system[J].Computer Engineering and Applications,2007,43(8):131-133,136. |
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| Authors: | LIU Jian-ying ZHANG Lei |
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| Affiliation: | Computer School,Wuhan University,Wuhan 430079,China |
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| Abstract: | The design principle and realization method of embedded video encryption gateway applicable to videoconferencing system is introduced.Embedded video encryption gateway can encrypt video data and provide H.323 protocol proxy function,which make H.323 endpoints communicate securely through untrusted network.Embedded video encryption gateway adopts Trimedia PNX1300 chip and pSOS operating system.It has system-independent characteristics and can update current video conference systems conveniently. |
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| Keywords: | video conference video encryption H 323 proxy Trimedia PNX1300 |
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