NDLI: Selective encryption for gray images based on chaos and DNA complementary rules

Content Provider	Springer Nature Link
Author	Rehman, Aqeel Liao, Xiaofeng Kulsoom, Ayesha Abbas, Syed Ali
Copyright Year	2014
Abstract	A new block cipher for gray images is proposed in this paper which fully utilizes whole set of DNA complementary rules dynamically for encoding and decoding each pixel of a block. The most significant (MSB) part of each block is added under DNA addition operation with least significant (LSB) while LSB part itself get encrypted by chaotically selecting different DNA rules for each pixel. The initial condition is calculated from 128-bits external input key and then the said key is modified for each subsequent block of an image. An image is permuted by Piecewise Linear Chaotic Map (PWLCM) while logistic sequence is used for the selection of encoding and decoding rules for each pixel of a block. The simulated experimental results and the security analysis in terms of quantitative and qualitative way show that our cipher can not only achieve good encryption effect to resist the exhaustive and statistical attacks but also is a good candidate for encrypting large sized uncompressed gray images.
Starting Page	4655
Ending Page	4677
Page Count	23
File Format	PDF
ISSN	13807501
Journal	Multimedia Tools and Applications
Volume Number	74
Issue Number	13
e-ISSN	15737721
Language	English
Publisher	Springer US
Publisher Date	2014-01-09
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Block image encryption Logistic PWLCM Chaos Complementary DNA rules Multimedia Information Systems Computer Communication Networks Data Structures, Cryptology and Information Theory Special Purpose and Application-Based Systems
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Hardware and Architecture Software Media Technology

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