Image Encryption and Decryption Using Selective Block Encryption Technique
Journal Title: International Journal of Computer Science & Engineering Technology - Year 2014, Vol 5, Issue 9
Abstract
In the recent world, the need of information security has became a necessity with the progress in data exchange and communication by electronic system. Because of the growth of multimedia application, security becomes an important issue of communication, storage and transmission of data. Cryptography is an art which is defined as the science of writing in secret code. The cryptography algorithms are categorized into Symmetric Key Cryptography and Asymmetric Key Cryptography algorithms. Encryption is one of the best alternative way to ensure security. Moreover, there are various image encryption techniques have proposed, each algorithm has its own strength and weakness. The prime goal leading the design of an encryption algorithm must provide security against unauthorized attack. In this paper, a selective block encryption technique is proposed to achieve the different goals of security i.e., Availability, Confidentiality and Integrity. This new technique is based on the symmetric key encryption approach.
Authors and Affiliations
Megha Seth , Kaminee Salam
Keywords
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