Efficient Transparent JPEG2000 Encryption

Efficient Transparent JPEG2000 Encryption

Dominik Engel (University of Salzburg, Austria), Thomas Stütz (University of Salzburg, Austria) and Andreas Uhl (University of Salzburg, Austria)
Copyright: © 2009 |Pages: 24
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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