An Arnold Encryption Algorithm Based on PN sequence

摘要：

Arnold Cat transformation is a classical algorithm of image scrambling. But its periodicity restrains the key space. This paper puts forward an improved Arnold method which uses PN sequence and secure hash algorithm to generate a random parameter sequence, divides an image into 4 pieces according to the sequence and carries out Arnold algorithm to the 4 pieces respectively. This algorithm effectively increases the number of the keys, and overcomes the attack via exhaustive analysis, which enhances the security.

关键词： image encryption PN sequence SHA1 Arnold Cat transformation matrix transform

作者: Guang-xian Xu Jun-hong Jin

作者单位: School of Electronic Information Engineering Liaoning Technical University Huludao, China Institute of Graduate Liaoning Technical University Huludao, China

会议类型: 国际会议

会议名称: 2010 International Conference on Future Information Technology(2010年未来信息技术国际会议 ICFIT 2010)

会议地点: 长沙

会议语种:英文

页码: 845-848

在线出版日期: 2010-12-14（万方平台首次上网日期，不代表论文的发表时间）