A New Image Encryption Scheme Based on Multiple Chaotic Systems in Different Modes of Operation (original) (raw)
Related papers
IMAGE ENCRYPTION BASED ON DEVELOPMENT OF HÉNON CHAOTIC MAPS USING FRACTIONAL FOURIER TRANSFORM
In this paper, we propose an image encryption scheme based on the development of a Hénon chaotic map using fractional Fourier transform (FRFT) which is introduced in order to meet the requirements of secure image transfer. This proposed algorithm combines the main advantages of fractional Fourier transform domain (FRFT), chaotic Arnold cat map encryption algorithm for confusion and our proposed Hénon chaotic map for diffusion.
Optics Communications, 2010
In recent years, the chaos-based cryptographic algorithms have suggested some new and efficient ways to develop secure image encryption techniques. In this paper, we propose a new approach for image encryption based on the multiple-parameter discrete fractional Fourier transform and chaotic logistic maps in order to meet the requirements of the secure image transmission. In the proposed image encryption scheme, the image is encrypted by juxtaposition of sections of the image in the multiple-parameter discrete fractional Fourier domains and the alignment of sections is determined by chaotic logistic maps. This method does not require the use of phase keys. The new method has been compared with several existing methods and shows comparable or superior robustness to blind decryption.
Hybrid Ciphering System of Images based on Fractional Fourier Transform and Two Chaotic Maps
International Journal of Computer Applications, 2015
This paper presents a new implementation of a hybrid ciphering system of images in Fourier domain based on two chaotic maps. The first map is the Bakermap,which is used to scramble the image pixels in three modes of operation (CBC, CFB and OFB). The second map is the logistic map,whose secret key depends on the plain text. In the key generation step of the logistic map, the chaotic stream is generated with plain text and hence the relation between the key and the plain text is established. We use Fractional Fourier Transform (FrFT) before the encryption to achieve a large degree of randomization. We examine the proposed algorithm and compare the results with the RC6 algorithm. The performance and security analysis prove that this hybrid ciphering system is efficient, reliable, and can effectively resist different attacks.
An Enhanced Image Encryption Algorithm Using Fractional Chaotic Systems
The attractors in many fractional-order chaotic systems have more complex dynamics than their integer-order systems. Consequently, there is a recent trend of exploring fractional chaotic systems for the design of image cryptosystems. The fractional derivative orders can act as part of secret key. Recently, an image encryption algorithm is suggested based on synchronized fractional-order chaotic systems. In this paper, a security appraisal is actioned to evince that the encryption algorithm is completely breakable under chosen-plaintext attack, has no mandatory plaintext sensitivity, and unsafe. Moreover, an enhanced version of encryption scheme is accounted to improve its attack defensibleness, plaintext sensitivity and inherent encryption strength. Experimental analyses are exercised and statistical results are catered to manifest the improved performance. The anticipated enhanced version has high security, consistency and practicability for encryption of digital images.
Signal, Image and Video Processing, 2013
Your article is protected by copyright and all rights are held exclusively by Springer-Verlag London. This e-offprint is for personal use only and shall not be self-archived in electronic repositories. If you wish to self-archive your article, please use the accepted manuscript version for posting on your own website. You may further deposit the accepted manuscript version in any repository, provided it is only made publicly available 12 months after official publication or later and provided acknowledgement is given to the original source of publication and a link is inserted to the published article on Springer's website. The link must be accompanied by the following text: "The final publication is available at link.springer.com".
Image encryption based on highly sensitive chaotic system
THIRD INTERNATIONAL CONFERENCE OF MATHEMATICAL SCIENCES (ICMS 2019)
In the recent past, various algorithms for image encryption is introduced based on chaotic systems. Some of them appeared weak in some points, such as resisting some attacks with low sensitivity to change of plain-images. In this article, a new two-dimensional (2D) hyperchaotic system is proposed, which is derived from three maps, namely, Henon, logistic, iterative chaotic map with infinite collapse (ICMIC) maps. This system shows high sensitivity to the initial condition, complicated dynamics, and hyperchaotic properties. However, it is adopted in the design of a new image encryption algorithm. The encryption process is mainly depending on changing of eigenvalues and eigenvectors of the original image utilizing a function to change the intensity of pixels. The plain-image is divided into blocks to generate four different keys (multi-key) based on the proposed hyperchaotic system, which helps to increase the complexity and reduce the computation time. Eventually, to show the efficiency of the encryption image, some analysis tests are performed, such as; NPCR, UACI, image histogram, pixels correlation, and Shannon entropy.
A New Image Cryptosystem based on Chaotic
2010
Recently, a variety of chaos-based cryptosystems have been proposed. Some of these novel chaotic encryption schemes are not very suitable for image encryption due to their density function which is not uniformly distributed or due to their small key space. In this paper, we propose a new scheme for image encryption based on the use of a chaotic map with large key space and Engle Continued Fractions (ECF) map. The ECF-map is employed to generate a pseudo ran-dom sequence which satisfies uniform distribution, zero co-correlation and ideal nonlinearity to achieve higher level of security. The proposed scheme is resistant to the known at-tacks. Theoretic and numerical simulation analyses indicate that our scheme is efficient and satisfies high security.
Image Encryption Based on the General Approach for Multiple Chaotic Systems
Journal of Signal and Information Processing, 2011
In the recent years, researchers developed image encryption methods based on chaotic systems. This paper proposed new image encryption technique based on new chaotic system by adding two chaotic systems: the Lorenz chaotic system and the Rössler chaotic system. The main advantage of this technique is stronger security, as is shown in the encryption tests. JSIP 243 osed method and recent methods. ` Lorenz [8] Rossler [9] Logistic Map [10] New Logistic Map [7] The 3D cat map [11] One D based [8] Encryption Based
An Image Encryption Approach Using Chaotic Map in Frequency Domain
2012
This paper presents a chaotic map based cryptography technique, in the proposed technique; confusion and diffusion applied on spectral domain (on DCT(Discrete Cosine Transform) coefficients) hence the encryption can be achieved quickly without applying the large number of confusion and diffusion cycle as it is needed in spatial domain. Also the diffusion template is created by random number generator based on Gaussian distribution. The technique uses Bakers map and capable of providing the key length of 128 bits although it’s length can be extended further. The proposed technique is simulated using Matlab and the results prove its robustness with all type of cryptanalytic tests and faster execution.
A new image encryption scheme based on a chaotic function
Signal Processing: Image Communication, 2012
In recent years, several methods of secure image encryption were studied and developed through chaotic processes or functions. In this paper, a new image encryption scheme based on a coupling of chaotic function and xor operator is presented. The main advantages of such a method are the abilities to produce a large key space to resist brute-force attacks, and to encrypt securely images with any entropy structure assuring indistinguishability, confusion and diffusion properties in the corresponding cipherimages. The results of several statistical analysis about randomness, sensitivity and correlation of the cipher-images show that the proposed cryptosystem is efficient and secure enough to be used for the image encryption and transmission. Moreover, the implementation of the corresponding algorithm is easy and only integers are used.