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Reversible Data Hiding in Encrypted Images using RC4 Algorithm

Author(s):

Ganesh Satras , INSTITUTE OF KNOWLEDGE COLLEGE OF ENGINEERING,PUNE; Shahid Pathan, INSTITUTE OF KNOWLEDGE COLLEGE OF ENGINEERING,PUNE; Ajit Gaikwad, INSTITUTE OF KNOWLEDGE COLLEGE OF ENGINEERING,PUNE; Vivek Bhosale, INSTITUTE OF KNOWLEDGE COLLEGE OF ENGINEERING,PUNE

Keywords:

Reversible Data Hiding, Image Encryption, Privacy Protection

Abstract

The methods proposed can be summarized as the framework, “vacating room after encryption (VRAE)”. In this framework, a content owner encrypts the image using a standard cipher with an encryption key. After producing the encrypted image, the content owner hands over it to a data hider and the data hider can embed some auxiliary data into the encrypted image by lossless vacating some room according to a data hiding key. Then a receiver, maybe the content owner himself or an authorized third party can extract the embedded data with the data hiding key and further recover the original image from the encrypted version according to the encryption key. With regard to providing confidentiality for images, encryption is an effective and popular means as it converts the original and meaningful content to incomprehensible one. Although few RDH techniques in encrypted images have been published yet, there are some promising applications if RDH can be applied to encrypted images.

Other Details

Paper ID: IJSRDV3I2565
Published in: Volume : 3, Issue : 2
Publication Date: 01/05/2015
Page(s): 1182-1186

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