Title :
Security Improvement with Multiplexing for Optical Encryption Based on Cross-Correlation of Random Phase Masks
Author :
Moritake, Kiyoshi ; Okamoto, Atushi ; Funakoshi, Hisatoshi ; Ito, Terumasa
Author_Institution :
Hokkaido University, Japan; moritake@optnet.ist.hokudai.ac.jp
Abstract :
Optical random phase encryption methods have the vulnerability of decoding by readout with only a part of correct key. To overcome this vulnerability, we propose a new method by multiplexing original data and dummy data.
Keywords :
Cryptography; Data security; Decoding; Information retrieval; Lenses; Optical modulation; Phase modulation; Phase noise; Photorefractive materials; White noise;
Conference_Titel :
Lasers and Electro-Optics, 2005. CLEO/Pacific Rim 2005. Pacific Rim Conference on
Print_ISBN :
0-7803-9242-6
DOI :
10.1109/CLEOPR.2005.1569364
