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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.4
- 수록면
- 103 - 114 (12page)
이용수
초록· 키워드
오류제보하기
A new optical asymmetric cryptosystem is proposed by modifying the asymmetric RSA public-key protocol required in a cryptosystem. The proposed asymmetric public-key algorithm can be optically implemented by combining a two-step quadrature phase-shifting digital holographic encryption method with the modified RSA public-key algorithm; then two pairs of public-private keys are used to encrypt and decrypt the plaintext. Public keys and ciphertexts are digital holograms that are Fourier-transform holograms, and are recorded on CCDs with 256-gray-level quantized intensities in the optical architecture. The plaintext can only be decrypted by the private keys, which are acquired by the corresponding asymmetric public-key-generation algorithm. Schematically, the proposed optical architecture has the advantage of producing a complicated, asymmetric public-key cryptosystem that can enhance security strength compared to the conventional electronic RSA public-key cryptosystem. Numerical simulations are carried out to demonstrate the validity and effectiveness of the proposed method, by evaluating decryption performance and analysis. The proposed method shows feasibility for application to an asymmetric public-key cryptosystem.
목차
Ⅰ. INTRODUCTION
Ⅱ. THEORY
Ⅲ. NUMERICAL SIMULATIONS
Ⅳ. SECURITY ANALYSIS
Ⅴ. CONCLUSIONS
REFERENCES
참고문헌 (33)
참고문헌 신청
P. Refregier / 1995 / Optical image encryption based on input plane and Fourier plane random encoding / Opt. Lett 20:767~769
O. Matoba / 1999 / Encrypted optical memory system using three-dimensional keys in the Fresnel domain / Opt. Lett 24:762~764
G. Unnikrishnan / 2000 / Double random fractional Fourier domain encoding for optical security / Opt. Eng 39:2853~2859
Z. Liu / 2010 / Image encryption by encoding with a nonuniform optical beam in gyrator transform domains / Appl. Opt 49:5632~5637
W. Chen / 2010 / Optical image encryption based on diffractive imaging / Opt. Lett 35:3817~3819
O. Matoba / 1999 / Encrypted optical memory system using three-dimensional keys in the Fresnel domain / Opt. Lett 24:762~764
G. Unnikrishnan / 2000 / Double random fractional Fourier domain encoding for optical security / Opt. Eng 39:2853~2859
Z. Liu / 2010 / Image encryption by encoding with a nonuniform optical beam in gyrator transform domains / Appl. Opt 49:5632~5637
W. Chen / 2010 / Optical image encryption based on diffractive imaging / Opt. Lett 35:3817~3819
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