Abstract
Parameterized wavelet filters and wavelet packet subband structures are discussed to be used as key dependent wavelet transforms in order to enhance the security of wavelet based hashing schemes. Experiments show that key dependency and keyspace of the hashing scheme considered have been significantly improved. The attack resistance could only be slightly enhanced by using parametrized wavelet filters.
This work has been partially supported by the Austrian Science Fund FWF, project no. P15170.
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Meixner, A., Uhl, A. (2005). Security Enhancement of Visual Hashes Through Key Dependent Wavelet Transformations. In: Roli, F., Vitulano, S. (eds) Image Analysis and Processing – ICIAP 2005. ICIAP 2005. Lecture Notes in Computer Science, vol 3617. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11553595_67
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DOI: https://doi.org/10.1007/11553595_67
Publisher Name: Springer, Berlin, Heidelberg
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