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Abstract
In this paper a quaternion-based modified Feistel Cipher is proposed. The algorithm is based on the scheme proposed by Sastry and Kumar (2012). Our algorithm uses special properties of quaternions to perform rotations of data sequences in 3D space for each of the cipher rounds. The plaintext (image in gray-tone) is divided into two square matrices of equal size which consist of Lipschitz quaternions. A modular arithmetic was implemented for operations with quaternions. A computer-based analysis has been carried out and 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:
-
Przegląd Telekomunikacyjny + Wiadomości Telekomunikacyjne
pages 1177 - 1181,
ISSN: 1230-3496 - Language:
- English
- Publication year:
- 2014
- Bibliographic description:
- Dzwonkowski M., Rykaczewski R.: A quaternion-based modified feistel cipher for multimedia transmission// Przegląd Telekomunikacyjny + Wiadomości Telekomunikacyjne. -., nr. 8-9 (2014), s.1177-1181
- Verified by:
- Gdańsk University of Technology
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