Image encryption algorithm based on image element and DFRCT

摘要：

　　A discrete fractional cosine transform with arbitrary period is proposed,which is a linear combination of discrete fractional cosine transform (DFRCT).We propose a new image encryption algorithm based on the discrete fractional cosine transform with arbitrary period,and set up some experiments by the different image block methods.The specific steps of encryption and decryption are given,and this eneryption algorithm in items of many evaluation indexes is analyzed.The results of the detailed analysis demonstrate that the encryption algorithm effectiveness,efficiency and ability to resist brute-force attack are satisfying.

关键词： image encryption algorithm DFRCT fraction image element period

作者: Guiliang Zhu Xiaoli Qin Xiaoqiang Zhang

作者单位: North China University of Water Conservancy and Electric Power, Zhengzhou, China Beijing University of Aeronautics and Astronautics, Beijing, China

会议类型: 国际会议

会议名称: 2012 2nd international Conference on Materials Science and Information Technology(2012第二届材料科学与信息技术国际会议)(MSIT2012)

会议地点: 西安

会议语种:英文

页码: 1403-1408

在线出版日期: 2012-08-24（万方平台首次上网日期，不代表论文的发表时间）