Aswathy Achuthshankar

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Data encryption is the best way to provide secure communication. The paper presents a novel approach to data hiding using a symmetric stream cipher known as A-S Algorithm. Here the user can have two keys: Encryption Key and Data Hiding Key. Using the A-S Algorithm the image encryption is performed. After encryption the additional data will be hided in the(More)
Data encryption is the best way to provide secure communication. Even though a lot of encryption schemes are available, this paper proposes a simple, fast and secure encryption scheme. The method is suitable to encrypt smaller as well as for larger files. The approach includes two files: symmetric key file and message file, both of any format opted by the(More)
The crimes in the social networking sites are increasing day by day. One of the main crimes is misusing the image by morphing and using it for blackmailing. Users can view the image and edit the image. On social networking sites, users post their own pictures and these pictures can be viewed by anyone. Anyone can access the image, whether the users are(More)
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