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In Public key cryptography a message is sent after applying the digital signature and encryption techniques by the sender. These techniques are used so that the message properties such as confidentiality, integrity and unforgeability are maintained and the non-repudiation can be ensured at the receiving end. The digital signatures and encryption mechanisms(More)
Today, with the increasing use and easy manipulation property of digital images, it is obviously that digital images captured from CCD cameras or other digital image devices have to be analyzed and determined before process it. To keep the integrity and ensure the accuracy and reliability of the digital image, we need some sort of robust methods and(More)
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