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Image Encryption using Block Shuffling and Affine Transform: A Review
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 95 - Number 19 |
| Year of Publication: 2014 |
| Authors: Harshit Somani, Namita Tiwari, Meenu Chawla, Madhu Shandilya |
10.5120/16702-6839
|
Harshit Somani, Namita Tiwari, Meenu Chawla, Madhu Shandilya . Image Encryption using Block Shuffling and Affine Transform: A Review. International Journal of Computer Applications. 95, 19 ( June 2014), 15-18. DOI=10.5120/16702-6839
Abstract
The rapid development of communication technology due to the global spread of the internet and the digital information revolution has given rise to a huge increase in the use and transmission of multimedia information. Encryption technology is studied in this paper, and a new image encryption algorithm based on correlation of pixels is proposed. The main goal of this paper is security management. Researchers have proposed incompatible methods to encrypt images. So, here we go through a new way of image encryption and decryption using block based image encryption using affine transform. First of all the plain image is divided into fixed size blocks. All these blocks then shuffled according to the proposed algorithm and we get a block shuffled image. At last the encrypted algorithm of affine is used iteratively for each of the pixels. It uses the keys for the purpose of encryption.
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