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An Image Encryption Method: SD-Advanced Image Encryption Standard: SD-AIES

Dey, Somdip ORCID: https://orcid.org/0000-0001-6161-4637 (2012) An Image Encryption Method: SD-Advanced Image Encryption Standard: SD-AIES. International Journal of Cyber-Security and Digital Forensics (IJCSDF), 1 (2). pp. 82-88.

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The security of digital information in modern times is one of the most important factors to keep in mind. For this reason, in this paper, the author has proposed a new standard method of image encryption. The proposed method consists of 4 different stages: 1) First, a number is generated from the password and each pixel of the image is converted to its equivalent eight binary number, and in that eight bit number, the number of bits, which are equal to the length of the number generated from the password, are rotated and reversed; 2) In second stage, extended hill cipher technique is applied by using involutory matrix, which is generated by same password used in second stage of encryption to make it more secure; 3) In third stage, generalized modified Vernam Cipher with feedback mechanism is used on the file to create the next level of encryption; 4) Finally in fourth stage, the whole image file is randomized multiple number of times using modified MSA randomization encryption technique and the randomization is dependent on another number, which is generated from the password provided for encryption method. SD-AIES is an upgraded version of SD-AEI Image Encryption Technique. The proposed method, SD-AIES is tested on different image files and the results were far more than satisfactory.

Item Type: Article
Status: Published
School/Department: School of Science, Technology and Health
URI: https://ray.yorksj.ac.uk/id/eprint/8616

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