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Efficient Transparent JPEG2000 Encryption
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Author(s): Dominik Engel (University of Salzburg, Austria), Thomas Stütz (University of Salzburg, Austria)and Andreas Uhl (University of Salzburg, Austria)
Copyright: 2009
Pages: 24
Source title:
Multimedia Forensics and Security
Source Author(s)/Editor(s): Chang-Tsun Li (University of Warwick, UK)
DOI: 10.4018/978-1-59904-869-7.ch016
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Abstract
In this chapter we investigate two different techniques for transparent/perceptual encryption of JPEG2000 files or bitstreams in the context of digital rights management (DRM) schemes. These methods are efficient in the sense of minimizing the computational costs of encryption. A classical bitstream-based approach employing format-compliant encryption of packet body data is compared to a compression-integrated technique that uses the concept of secret transform domains, in our case a wavelet packet transform.
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