Fast Fourier Transforms and Quadratic forms for Digital audio Watermarking

被引：2
作者：
Sekhar, A. Chandra [1 ]
Suneetha, Ch. [1 ]
Nagalakshmi, G. [1 ]
RaviKumar, B. [1 ]
机构：
[1] GITAM Univ, Dept Basic Sci & Humanities Engn Math, Visakhapatnam, Andhra Pradesh, India
来源：
2009 INTERNATIONAL CONFERENCE ON ADVANCES IN RECENT TECHNOLOGIES IN COMMUNICATION AND COMPUTING (ARTCOM 2009) | 2009年
关键词：
Quadratic forms; cryptography; key matrix; fast Fourier transform; audio watermarking; CRYPTOGRAPHY;
D O I：
10.1109/ARTCom.2009.112
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper a new technique of encryption for embedding secret information in the frequency domains of a cover audio signal is described. A novel method is presented for inaudibly hiding information in an audio signal. The method uses quadratic form as key matrix.. The data is first encrypted using the key matrix. The secure data is further embedded in the audio signal in frequency domain using fast Fourier transforms and the results have been analyzed. This consists of data encryption at two levels and the cipher text so obtained becomes quite impossible to break or to interrupt.
引用
收藏
页码：449 / 452
页数：4
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