| 基于DES加密的流媒体实时隐秘传输和硬件实现 |
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| 引用本文： | 郭志川,程义民,王以孝,谢于明.基于DES加密的流媒体实时隐秘传输和硬件实现[J].系统工程与电子技术,2005,27(7):1311-1314. |
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| 作者姓名： | 郭志川 程义民 王以孝 谢于明 |
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| 作者单位： | 中国科学技术大学电子科学与技术系,安徽,合肥,230026 |
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| 摘 要： | 为满足实时隐秘传输的要求,给出了一种基于DES加密的流媒体隐秘传输方法和硬件实现,该方法在每(2L+1)bit可修改宿主中,最多只修改其中的Lbit便可嵌入2Lbit的流媒体数据。采用了2级加密,具有更高的安全性。仿真实验和结果表明,设计可满足实时流媒体隐秘传输的要求。该方法可有效地应用于保密通信。
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| 关 键 词： | 信息隐藏 隐秘传输 硬件 保密通信 |
| 文章编号： | 1001-506X(2005)07-1311-04 |
| 修稿时间： | 2004年6月20日 |
Method of real-time covert communication of streaming media based on DES encryption and its hardware implementation |
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| GUO Zhi-chuan,CHENG Yi-min,WANG Yi-xiao,XIE Yu-ming.Method of real-time covert communication of streaming media based on DES encryption and its hardware implementation[J].System Engineering and Electronics,2005,27(7):1311-1314. |
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| Authors: | GUO Zhi-chuan CHENG Yi-min WANG Yi-xiao XIE Yu-ming |
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| Abstract: | In order to satisfy the demands of real-time covert communication, a kind of data hiding method of streaming media based on DES encryption and its hardware implementation are given. The proposed scheme can embed as many as 2L bits of streaming media data by changing, at most, L bits in the (2L+1)bits of cover data. The algorithm can reach a higher level of safety because the two levels of encryption is adopted. Simulation and testing results show that the design can generally satisfy the demands of real-time covert communication of streaming media. The proposed method can be applied to secure communications effectively. |
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| Keywords: | information hiding covert communication hardware secure communications |
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