基于参数敏感性的MP3音频选择加密方案  

MP3 Audio Selective Encryption Scheme Based on Data Sensitivity

作　　者：葛龙[1] 廉士国[1] 孙金生[1] 王执铨[1] 

机构地区：[1]南京理工大学自动化系,江苏南京210094

出　　处：《计算机应用研究》2006年第10期122-124,127,共4页Application Research of Computers

基　　金：博士点专项基金资助项目(20020288052);江苏省自然科学基金资助项目(BK2004132)

摘　　要：提出一种与MP3音频编码过程相结合的快速音频加密方案,选择加密对安全性敏感的数据帧,并通过实验测试选择敏感参数类型,在帧内选择加密这些敏感参数。理论分析表明这种加密方案具有较高的安全性,实验结果表明加密效果好、运行速度快,能够满足无线网络传输和视频点播等应用中对实时性的要求。In this paper, a fast audio eneryption scheme combining with MP3 audio encoding process is proposed, which encrypts data frames of high sensitivity, and encrypts sensitive data to decoding process in a frame that is obtained by testing experiment, Theoretic analysis shows that it＇ s of high security, and experiment result shows that it＇ s of high efficiency, which makes it suitable for many real-time applications, such as wireless multimedia transmission and video on demand, etc.

关 键 词：音频加密 部分加密 混沌加密 MP3编码 MP3加密 

分 类 号：TP309.7[自动化与计算机技术—计算机系统结构]