A Novel Image Encryption Technique Based on Inter Block Difference

Data security plays a vital role in the current scenario due to the advanced and sophisticated data access techniques. Present development in data access is always a threat to data that are stored in electronic devices. Among all the forms of data, image is an important aspect that still needs metho...

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Bibliographic Details
Published in:Shanghai jiao tong da xue xue bao 2021-08, Vol.26 (4), p.488-493
Main Authors: Thamanam, Srinivasa Rao, Nagaraja, Potti, Naik, B. Balaji, Manjunathachari, K.
Format: Article
Language:English
Subjects:
Algorithms
Architecture
Computer Science
Electrical Engineering
Electronic devices
Electronic equipment
Encryption
Engineering
Life Sciences
Materials Science
Security
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Summary:Data security plays a vital role in the current scenario due to the advanced and sophisticated data access techniques. Present development in data access is always a threat to data that are stored in electronic devices. Among all the forms of data, image is an important aspect that still needs methodologies to be stored securely. This work focuses on a novel technique to secure images using inter block difference and advanced encryption standard (AES). The AES algorithm is chosen for encryption since there is no prevalent attack that is successful in analyzing it. Instead of encrypting the entire image, only a part of the image is encrypted. The proposed work is found to reduce the encryption overhead in a significant way and at the same time preserves the safety of the image. It is also observed that the decryption is done in an efficient and time preserving manner.
ISSN:1007-1172
1995-8188
DOI:10.1007/s12204-021-2318-0