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Advent of mobile technology and internet in our daily lives has opened up a new dimension to our data exchange requirements. Multimedia like image, video, audio have emerged out be contributing in significant proportions to the data flowing over inherently insecure networks. The traditional encryption schemes which were designed to provide high security to textual data are unable to secure multimedia...
The paper proposes an improved, modified version of block cipher PRESENT to make it suitable for use in multimedia applications. For encrypting multimedia one of the core requirements is that the scheme should be computationally less expensive so as to sustain the bulkiness attributed to multimedia. Though, PRESENT is a very lightweight block cipher and is found efficient for textual content yet it...
In today's digital world, encryption has become a prerequisite for many applications requiring data transfer over open and insecure networks. In addition, the advent and fast evolution of mobile technologies has facilitated the need for lightweight encryption schemes which prove to be strong as well as computationally less expensive than the present day standard ciphers. With this as the source of...
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