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Abstract
In this paper a new idea of digital images fingerprinting is proposed. The method is based on quaternion encryption in the Cipher Block Chaining (CBC) mode. Quaternion sare hyper-complex numbers of rank 4 and thus often applied to mechanics in three-dimensional space. The encryption algorithm described in the paper is designed for gray-tone images but can easily be adopted for color ones. For the encryption purpose, the algorithm uses the rotation of data vectors presented as quaternions in a three-dimensional space around another quaternion (key). On the receiver's side, a small amount of unnoticeable by human eye errors occurs in the decrypted images. These errors are used as a user's digital fingerprint for the purpose of traitor tracing in case of copyright violation. A computer-based simulation was performed to scrutinize the potential presented quaternion encryption scheme for the implementation of digital fingerprinting. The obtained results are shown at the end of this paper.
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- Category:
- Articles
- Type:
- artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
- Published in:
-
Journal of Telecommunications and Information Technology
no. 2,
pages 3 - 11,
ISSN: 1509-4553 - Language:
- English
- Publication year:
- 2014
- Bibliographic description:
- Czaplewski B., Dzwonkowski M., Rykaczewski R.: Digital Fingerprinting Based on Quaternion Encryption Scheme for Gray-Tone Images// Journal of Telecommunications and Information Technology. -Vol. 2., (2014), s.3-11
- Verified by:
- Gdańsk University of Technology
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