| 音频信号高速率采样中混沌实时加密的实现 |
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| 引用本文： | 杨健,王光义.音频信号高速率采样中混沌实时加密的实现[J].微电子学与计算机,2012,29(4):62-66. |
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| 作者姓名： | 杨健 王光义 |
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| 作者单位： | 杭州电子科技大学电子信息学院,浙江杭州,310018 |
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| 基金项目： | 国家自然科学基金资助项目，浙江省研究生创新科研资助项目 |
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| 摘 要： | 通过对音频信号高采样率采样过程中实时加密的研究,提出了一种结合异或运算和循环移位操作的双重置乱混沌加密算法,对高采样率音频信号进行加密和信息掩盖.加密序列和循环移位序列均由混沌系统产生,整个过程在数字信号处理器(DSP)平台进行了验证.此方法运算速度快,安全性高,易于在嵌入式系统中进行应用.
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| 关 键 词： | 高采样率 音频信号 混沌加密 数字信号处理器 |
The Realization of Chaos Real-time Encryption in the Process of Audio Signal High Rate Sampling |
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| YANG Jian,WANG Guang-yi.The Realization of Chaos Real-time Encryption in the Process of Audio Signal High Rate Sampling[J].Microelectronics & Computer,2012,29(4):62-66. |
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| Authors: | YANG Jian WANG Guang-yi |
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| Affiliation: | (College of Electronic Information,Hangzhou Electronic Science and Technology University,Hangzhou 310018,China) |
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| Abstract: | This paper proposes a kind of algorithm which combination of XOR and cyclic shift,a dual-scrambling chaotic encryption via researching the real-time encrypt in the process of audio signal high rate sampling,to encrypt and cover the information of high sampling rate audio signal.Encryption sequence and cyclic shift sequence are generated by chaotic system;the whole process was verified in the digital signal processor(DSP) platform.This method is computing speed and high security,so it can be easily used in embedded systems. |
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| Keywords: | high sampling rate audio signal chaotic encryption digital signal processor |
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