SD-EI: A cryptographic technique to encrypt images

@article{Dey2012SDEIAC,
  title={SD-EI: A cryptographic technique to encrypt images},
  author={Somdip Dey},
  journal={Proceedings Title: 2012 International Conference on Cyber Security, Cyber Warfare and Digital Forensic (CyberSec)},
  year={2012},
  pages={28-32}
}
In this paper, the author propose a method, SD-EI, for image encryption, which basically has two stages: 1) In first stage, each pixel of image is converted to its equivalent eight bit binary number and in that eight bit number, the number of bits, which are equal to the length of password are rotated and then 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… CONTINUE READING
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