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In this paper, a new image encryption scheme using a secret key of 144-bits is proposed. In the substitution process of the scheme, image is divided into blocks and subsequently into color components. Each color component is modified by…

Cryptography and Security · Computer Science 2012-04-10 Narendra K Pareek

In this digital age, ensuring the security of digital data, especially the image data is critically important. Image encryption plays an important role in securing the online transmission/storage of images from unauthorized access. In this…

Cryptography and Security · Computer Science 2025-03-14 Hansa Ahsan , Safee Ullah , Jawad Ahmad , Aizaz Ahmad Khattak , Muhammad Ali , Muhammad Shahbaz Khan

The protection of confidential image data from unauthorized access is an important area of research in network communication. This paper presents a high-level security encryption scheme for gray scale images. The gray level image is first…

Multimedia · Computer Science 2012-03-12 G. Sudheer , B. V. S. Renuka Devi

A new image encryption scheme using the advanced encryption standard (AES), a chaotic map, a genetic operator, and a fuzzy inference system is proposed in this paper. In this work, plain images were used as input, and the required security…

Cryptography and Security · Computer Science 2023-11-06 Mahdi Shariatzadeh , Mohammad Javad Rostami , Mahdi Eftekhari

In recent years, several encryption algorithms have been proposed to protect digital images from cryptographic attacks. These encryption algorithms typically use a relatively small key space and therefore, provide safe, especially if they…

Cryptography and Security · Computer Science 2012-09-24 Ahmed Bashir Abugharsa , Abd Samad Bin Hasan Basari , Hamida Almangush

In this paper, chaotic block image permutation and XOR operation are performed to achieve image encryption. The studied method of encryption makes use of chaotic systems properties for secure and speed image encryption. Firstly, the…

Image and Video Processing · Electrical Eng. & Systems 2018-09-03 Raneem A. Aboughalia , Osama A. S. Alkishriwo

We propose a novel method for privacy-preserving fine-tuning vision transformers (ViTs) with encrypted images. Conventional methods using encrypted images degrade model performance compared with that of using plain images due to the…

Computer Vision and Pattern Recognition · Computer Science 2024-08-19 Kouki Horio , Kiyoshi Nishikawa , Hitoshi Kiya

This letter discusses the problem of testing the degree of randomness within an image, particularly for a shuffled or encrypted image. Its key contributions are: 1) a mathematical model of perfectly shuffled images; 2) the derivation of the…

Cryptography and Security · Computer Science 2012-11-08 Yue Wu , Sos Agaian , Joseph P. Noonan

Traditional permutation schemes mostly focus on random scrambling of pixels, often neglecting the intrinsic image information that could enhance diffusion in image encryption algorithms. This paper introduces PermutEx, a…

Cryptography and Security · Computer Science 2023-11-07 Muhammad Shahbaz Khan , Jawad Ahmad , Ahmed Al-Dubai , Zakwan Jaroucheh , Nikolaos Pitropakis , William J. Buchanan

Recently, a colour image encryption algorithm based on chaos was proposed by cascading two position permutation operations and one substitution operation, which are all determined by some pseudo-random number sequences generated by…

Cryptography and Security · Computer Science 2012-03-27 Chengqing Li , Yu Zhang , Rong Ou , Kwok-Wo Wong

In this paper, a simple and robust color image encryption algorithm based on high-dimensional chaotic maps is proposed. The algorithm employs a 3D Arnold transform to perform inter-component shuffling of plain-image, while a 2D…

Cryptography and Security · Computer Science 2014-03-20 Musheer Ahmad , Hamed D Al-Sharari

In this digital era, ensuring the security of digital data during transmission and storage is crucial. Digital data, particularly image data, needs to be protected against unauthorized access. To address this, this paper presents a novel…

Cryptography and Security · Computer Science 2025-03-14 Muhammad Ali , Jawad Ahmad , Muhammad Abdullah Hussain Khan , Safee Ullah , Mujeeb Ur Rehman , Syed Aziz Shah , Muhammad Shahbaz Khan

Visual Cryptography is a special encryption technique to hide information in images, which divide secret image into multiple layers. Each layer holds some information. The receiver aligns the layers and the secret information is revealed by…

Cryptography and Security · Computer Science 2010-04-27 Sozan Abdulla

In this paper, two image encryption schemes are proposed for grayscale and color images. The two encryption schemes are based on dividing each image into blocks of different sizes. In the first scheme, the two dimension ($2$D) input image…

Cryptography and Security · Computer Science 2018-02-22 Omar Reyad , M. A. Mofaddel , W. M. Abd-Elhafiez , Mohamed Fathy

Providing security in the transmission of images and other multimedia data has become one of the most important scientific and practical issues. In this paper, a method for compressing and encryption images is proposed, which can safely…

Multimedia · Computer Science 2022-08-25 Mahdi Shariatzadeh , Mahdi Eftekhari , Mohammad Javad Rostami

Image applications have been increasing in recent years.Encryption is used to provide the security needed for image applications. In this paper, we classify various image encryption schemes and analyze them with respect to various…

Cryptography and Security · Computer Science 2011-12-06 Jolly Shah , Vikas Saxena

Information security is one of the most challenging problems in today's technological world. In order to secure the transmission of secret data over the public network (Internet), various schemes have been presented over the last decade.…

Multimedia · Computer Science 2016-01-08 Khan Muhammad , Jamil Ahmad , Muhammad Sajjad , Muhammad Zubair

With the fast evolution of digital data exchange and increased usage of multi media images, it is essential to protect the confidential image data from unauthorized access. In natural images the values and position of the neighbouring…

Cryptography and Security · Computer Science 2012-02-23 S. Rakesh , Ajitkumar A Kaller , B. C. Shadakshari , B. Annappa

A new grayscale-based block scrambling image encryption scheme is presented to enhance the security of Encryption-then-Compression (EtC) systems, which are used to securely transmit images through an untrusted channel provider. The proposed…

Cryptography and Security · Computer Science 2018-12-18 Warit Sirichotedumrong , Tatsuya Chuman , Hitoshi Kiya

In the recent world, security is a prime important issue, and encryption is one of the best alternative way to ensure security. More over, there are many image encryption schemes have been proposed, each one of them has its own strength and…

Cryptography and Security · Computer Science 2011-03-22 G. A. Sathishkumar , Dr. K. Bhoopathy bagan , Dr. N. Sriraam
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