Three-dimensional information encryption with optical asymmetric cryptography and digital interferometry

Yuhua Yang; Changming Fu; Tuo Li; Qiankun Gao; Yali Wang; Wei Hao; Yishi Shi

doi:10.1117/12.907249

28 November 2011 Three-dimensional information encryption with optical asymmetric cryptography and digital interferometry

Yuhua Yang, Changming Fu, Tuo Li, Qiankun Gao, Yali Wang, Wei Hao, Yishi Shi

Author Affiliations +

Proceedings Volume 8202, 2011 International Conference on Optical Instruments and Technology: Solid State Lighting and Display Technologies, Holography, Speckle Pattern Interferometry, and Micro/Nano Manufacturing and Metrology; 820207 (2011) https://doi.org/10.1117/12.907249
Event: International Conference on Optical Instruments and Technology (OIT2011), 2011, Beijing, Beijing, China

Abstract

An encoding algorithm is proposed for three-dimensional (3-D) information using optical asymmetric cryptosystem and the digital interferometry. 3-D information can be treated as an ensemble composed of multiple points, and every point spreads in a spatial limited field. Due to the free space coordinates, the encryption system of 3-D information can be regarded as an optical asymmetric cryptosystem. We encrypt 3-D information with the double random phase-truncated encoding, and then record the amplitude of ciphertext by digital interferometry. Computer simulations demonstrate the feasibility and effective of the proposed method. This cryptosystem is also numerically tested with the incorrect keys, the addition noise to the ciphertext, and spatial information occluded ciphertext. The proposed algorithm has three advantages: the high efficiency of encryption, the safety provided by one added dimension, the increasing information quantity and the optical asymmetric cryptosystems. The high robustness to the system is also achieved.

Citation Download Citation

Yuhua Yang, Changming Fu, Tuo Li, Qiankun Gao, Yali Wang, Wei Hao, and Yishi Shi "Three-dimensional information encryption with optical asymmetric cryptography and digital interferometry", Proc. SPIE 8202, 2011 International Conference on Optical Instruments and Technology: Solid State Lighting and Display Technologies, Holography, Speckle Pattern Interferometry, and Micro/Nano Manufacturing and Metrology, 820207 (28 November 2011); https://doi.org/10.1117/12.907249

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available