[1]郭献洲,刘文文,张相梅.采用混沌系统的HIS彩色图像加密算法[J].华侨大学学报(自然科学版),2017,38(2):241-244.[doi:10.11830/ISSN.1000-5013.201702020]
　GUO Xianzhou,LIU Wenwen,ZHANG Xiangmei.HIS Color Image Encryption Algorithm Using Chaos System[J].Journal of Huaqiao University(Natural Science),2017,38(2):241-244.[doi:10.11830/ISSN.1000-5013.201702020]
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采用混沌系统的HIS彩色图像加密算法()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第38卷
期数:
2017年第2期
页码:
241-244
栏目:
出版日期:
2017-03-20

文章信息/Info

Title:
HIS Color Image Encryption Algorithm Using Chaos System
文章编号:
1000-5013(2017)02-0241-04
作者:
郭献洲;  刘文文;  张相梅
河北工业大学 理学院, 天津 300401
Author(s):
GUO Xianzhou;  LIU Wenwen;  ZHANG Xiangmei
School of Science, Hebei University of Technology, Tianjin 300401, China
关键词:
图像加密;  混沌系统;  位平面;  医院信息系统;  分块排序
Keywords:
image encryption;  chaos system;  bit-plane;  hospital information system;  block sorting
分类号:
TP391.41;TP393
DOI:
10.11830/ISSN.1000-5013.201702020
文献标志码:
A
摘要:
为了增强对数字彩色图像信息安全的有效保护,给出一种基于医院信息系统(HIS)的彩色图像加密算法.首先,使用混沌序列控制对亮度层的位平面排序;然后,对排序后每一个位平面采用改进的置乱算法;最后,恢复到像素平面以完成加密.该算法相比于基于RGB系统的加密算法,减小了时间复杂度,且不降低加密算法的安全性能.仿真结果表明:该算法的密钥空间大、秘钥敏感性强,对统计分析和剪切攻击具有较好的抵抗能力.
Abstract:
In order to protect digital color image’s safety, one color image encryption algorithm for hospital information system(HIS)space is proposed in this paper. First of all, use chaotic sequence to control the bit-plane of luminance layer, then use the improved scrambling algorithm on each sorted bit-plane, finally, retrieve them into pixel plane. This algorithm has less time complexity compared to the traditional algorithm in RGB space, meanwhile, has good safety performance. The simulating results show that this algorithm has a large space of keys, good key sensitivity, also has ability to resist the statistical analysis and shearing attacks.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2017-02-14
通信作者: 郭献洲(1976-),男,副教授,博士,主要从事应用数学、数学计算的研究.E-mail:xianzhou_guo@hebut.edu.cn.
基金项目: 国家自然科学基金资助项目(11301132, 11171087)
更新日期/Last Update: 2017-03-20