%0 Journal Article
%T Scheme of Secret Watermark Based on Extending Frequency Theory<br>基于扩频原理的秘密水印方案*
%A ZHOU Quan
%A XIAO De-qin
%A FENG Jian-zhao
%A <br>周权
%A 肖德琴
%A 冯健昭
%J 计算机应用研究
%D 2007
%I 
%X This paper proposed a secret watermarking scheme in frequency domain based on extending frequency theory.According to it,a particular and integrated scheme was designed combining with the characteristics of shorter key and higher security intensity for elliptic curve cryptosystem.And also,the frequency domain secret information embedding algorithm and pick-up algorithm were designed in detail.Finally the scheme's strongpoint was analyzed.
%K information security
%K secret watermark
%K extending frequency technology
%K elliptic curve cryptosystem<br>信息安全
%K 秘密水印
%K 扩频技术
%K 椭圆曲线
%K 扩频技术
%K 原理
%K 水印
%K 方案
%K Theory
%K Frequency
%K Extending
%K Based
%K Watermark
%K Secret
%K 分析
%K 提取算法
%K 嵌入算法
%K 秘密信息
%K 信息传输
%K 资源条件
%K 有限
%K 抗攻击能力
%K 全性能
%K 椭圆曲线密码体制
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=A9D9BE08CDC44144BE8B5685705D3AED&aid=C793235A4E87B8F6BE919A56A78E3A76&yid=A732AF04DDA03BB3&vid=B91E8C6D6FE990DB&iid=DF92D298D3FF1E6E&sid=F122871CC7EC92DC&eid=B344543C2864D684&journal_id=1001-3695&journal_name=计算机应用研究&referenced_num=2&reference_num=9