Digital Color Image Encryption Using Cellular Automata and Chaotic Map | ||
| International Journal of Nonlinear Analysis and Applications | ||
| دوره 10، Special Issue ( Nonlinear Analysis in Engineering and Sciences)، اسفند 2019، صفحه 169-177 اصل مقاله (672.77 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22075/ijnaa.2019.4429 | ||
| نویسندگان | ||
| Hamed Ghazanfaripour1؛ Ali Broumandnia* 2 | ||
| 1Department of Computer Engineering, Kerman Branch, Islamic Azad University, Kerman Iran | ||
| 2Islamic Azad University-South Tehran Branch, Iran | ||
| چکیده | ||
| Today, with the expansion of multimedia communications, computer networks, and the distribution of information on the Internet, maintaining the security of information exchanged through insecure channels has become an important and essential issue in data communication. One way to protect the information in passive defense is to encrypt data so that people can communicate securely on a secure channel while maintaining their privacy and data authenticity. Because color image data has certain features compared to traditional data such as text and binary data, special algorithms are needed to encrypt digital images to maintain the efficiency, security, and speed of encryption. The present study provides a way to encrypt digital images using reversible cell automation and chaotic mapping. The basis for encrypting the proposed method is the use of the concepts of Shannon's confusion and diffusion technique, which takes place in two main stages. In the first step, the plain image is received as input, then it is permuted using the 3D chaotic map by using suitable key. In the second step, the cipher image from the previous step are extracted to 24 one-bit plates image and XOR by suitable 2D reversible cell automata. The proposed method will be compared with several cryptographic methods and has good outperform results. | ||
| کلیدواژهها | ||
| Color image encryption؛ reversible cellular automata؛ permutation؛ diffusion؛ confusion؛ chaotic map | ||
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