An efficient image encryption scheme based on: Henon map, skew tent map and S-Box

Khan, Jan Sher; Ahmad, Jawad; Hwang, Seong Oun

doi:10.1109/icmsao.2015.7152261

Cited by 56 publications

(46 citation statements)

References 16 publications

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“…A large value of NPCR depicts good encryption quality. NPCR focuses on absolute number of differences while Unified Average Change Intensity (UACI) calculates the intensity of dissimilarities between the two images and can be defined as [14]:…”

Section: Deviation From a Uniform Histogrammentioning

confidence: 99%

Intertwining and NCA Maps Based New Image Encryption Scheme

Khan

Ahmed

Ahmad

et al. 2018

2018 International Conference on Computing, Electronics &Amp; Communications Engineering (iCCECE)

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In this digital era, the Internet is a main source of communication. Due to exponential advancement in Internet technologies, transmission of multimedia data is very common now. However, transmitting sensitive information over the Internet is always vulnerable to different kind of attacks. In order to address such issues, cryptographers are proposing encryption techniques. In encryption, data is manipulated in such a way that intruders cannot access the original information. This paper presents a secure image encryption scheme via Intertwining and Nonlinear Chaotic Maps (NCA). Both main steps i.e., confusion and diffusion are implemented using chaotic maps. Numerous security parameters are applied to the proposed improved technique and strength of the scheme is evaluated. All experimental results proved the robustness and higher security of the proposed chaos-based scheme.

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Section: Deviation From a Uniform Histogrammentioning

confidence: 99%

Intertwining and NCA Maps Based New Image Encryption Scheme

Khan

Ahmed

Ahmad

et al. 2018

2018 International Conference on Computing, Electronics &Amp; Communications Engineering (iCCECE)

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“…Due to these properties, reccurence (4) is very popular as a component of pseudorandom number generators in cryptographic applications [14][15][16].…”

Section: Introductionmentioning

confidence: 99%

Generation of pseudo-random numbers with the use of inverse chaotic transformation

Lawnik

2018

Open Mathematics

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In (Lawnik M., Generation of numbers with the distribution close to uniform with the use of chaotic maps, In: Obaidat M.S., Kacprzyk J., Ören T. (Ed.), International Conference on Simulation and Modeling Methodologies, Technologies and Applications (SIMULTECH) (28-30 August 2014, Vienna, Austria), SCITEPRESS, 2014) Lawnik discussed a method of generating pseudo-random numbers from uniform distribution with the use of adequate chaotic transformation. The method enables the " attening" of continuous distributions to uniform one. In this paper a inverse process to the above-mentioned method is presented, and, in consequence, a new manner of generating pseudo-random numbers from a given continuous distribution. The method utilizes the frequency of the occurrence of successive branches of chaotic transformation in the process of " attening". To generate the values from the given distribution one discrete and one continuous value of a random variable are required. The presented method does not directly involve the knowledge of the density function or the cumulative distribution function, which is, undoubtedly, a great advantage in comparison with other well-known methods. The described method was analysed on the example of the standard normal distribution.

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“…In 1989, Mathews presented the concept of chaotic encryption (Matthews, 1984). Following Mathew's novel idea, many researchers have turned their attention towards chaos-based image encryption and S-box construction techniques Anees et al, 2014a;Khan et al, 2015a;Younas and Ahmad, 2014;Anees et al, 2014b;Dawei et al, 2004;Huang and Guan, 2005;Li and Zheng, 2002;Ahmad and Ahmed, 2010;Rehman et al, 2016;Khan et al, 2015b;Habib et al, 2017). These chaos-based image encryption algorithms have lots of merits, such as the large key space, ergodicity and sensitivity to the secret keys.…”

Section: Introductionmentioning

confidence: 99%

An Improved Image Encryption Scheme Based on a Non-Linear Chaotic Algorithm and Substitution Boxes

Khan¹,

Khan²,

Ahmad³

et al. 2017

Informatica

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World has become a global village after introduction of social media and social networks. However, it extensively increased the demand for network resources, particularly multimedia traffic like images, videos and audio. The medium for this extensive traffic is always public networks such as internet or cellular networks. But the open nature of such network like internet always creates security threats for data during transmission. Due to many intrinsic features and higher correlation in multimedia traffic, existing encryption algorithms are not very convincing to perform well under critical scenarios. Therefore, many people in the research community are still working to propose new encryption schemes which can address these issues and handle multimedia traffic effectively on public networks. In this paper, we explore the weaknesses of existing encryption schemes, which compromise in many scenarios due to high correlation of multimedia traffic. To tackle this issue we proposed certain enhancements in an existing scheme. Our enhanced modification includes addition of bitwise XORed operation using non-linear chaotic algorithm. Performance of enhanced scheme is tested against state of the art security parameters. Efficiency of the proposed scheme is also validated via entropy, correlation, peak signal to noise ratio, unified average change intensity and number of pixels change rate tests.

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An efficient image encryption scheme based on: Henon map, skew tent map and S-Box

Cited by 56 publications

References 16 publications

Intertwining and NCA Maps Based New Image Encryption Scheme

Intertwining and NCA Maps Based New Image Encryption Scheme

Generation of pseudo-random numbers with the use of inverse chaotic transformation

An Improved Image Encryption Scheme Based on a Non-Linear Chaotic Algorithm and Substitution Boxes

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