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Proceedings Paper

Stream cipher based on pseudorandom number generation using optical affine transformation
Author(s): Toru Sasaki; Hiroyuki Togo; Jun Tanida; Yoshiki Ichioka
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Paper Abstract

We propose a new stream cipher technique for 2D image data which can be implemented by iterative optical transformation. The stream cipher uses a pseudo-random number generator (PRNG) to generate pseudo-random bit sequence. The proposed method for the PRNG is composed of iterative operation of 2D affine transformation achieved by optical components, and modulo-n addition of the transformed images. The method is expected to be executed efficiently by optical parallel processing. We verify performance of the proposed method in terms of security strength and clarify problems on optical implementation by the optical fractal synthesizer.

Paper Details

Date Published: 6 July 2000
PDF: 10 pages
Proc. SPIE 4081, Optical Storage and Optical Information Processing, (6 July 2000); doi: 10.1117/12.390496
Show Author Affiliations
Toru Sasaki, Osaka Univ. (Japan)
Hiroyuki Togo, Osaka Univ. (Japan)
Jun Tanida, Osaka Univ. (Japan)
Yoshiki Ichioka, Nara National College of Technology (Japan)

Published in SPIE Proceedings Vol. 4081:
Optical Storage and Optical Information Processing
Han-Ping D. Shieh; Tomas D. Milster, Editor(s)

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