Computer Science – Cryptography and Security
Scientific paper
2010-03-05
International Journal on Computer Science and Engineering, IJCSE, Vol. 2, No. 2 March 2010
Computer Science
Cryptography and Security
4 Pages IEEE format, International Journal on Computer Science and Engineering, IJCSE 2010, ISSN 0975-3397, Impact Factor 0.58
Scientific paper
We propose a hybrid technique for image encryption which employs the concept of carrier image and SCAN patterns generated by SCAN methodology. Although it involves existing method like SCAN methodology, the novelty of the work lies in hybridizing and carrier image creation for encryption. Here the carrier image is created with the help of alphanumeric keyword. Each alphanumeric key will be having a unique 8bit value generated by 4 out of 8-code. This newly generated carrier image is added with original image to obtain encrypted image. The scan methodology is applied to either original image or carrier image, after the addition of original image and carrier image to obtain highly distorted encrypted image. The resulting image is found to be more distorted in hybrid technique. By applying the reverse process we get the decrypted image.
Panduranga H. T.
K. Naveen Kumar S.
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