Fourier Optics and Optical Signal Processing

Cryptanalysis of optical encryption schemes based on joint transform correlator architecture

[+] Author Affiliations
Wan Qin

Shenzhen University, Key Laboratory of Optoelectronics Devices and Systems Education Ministry of China, College of Optoelectronic Engineering, 518060 Shenzhen, China

Xiang Peng

Shenzhen University, Key Laboratory of Optoelectronics Devices and Systems Education Ministry of China, College of Optoelectronic Engineering, 518060 Shenzhen, China

Xiangfeng Meng

Shenzhen University, Key Laboratory of Optoelectronics Devices and Systems Education Ministry of China, College of Optoelectronic Engineering, 518060 Shenzhen, China

Opt. Eng. 50(2), 028201 (February 01, 2011). doi:10.1117/1.3533028
History: Received March 28, 2010; Revised November 17, 2010; Accepted December 02, 2010; Published February 01, 2011; Online February 01, 2011
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From the perspective of optical cryptanalysis, we propose a method of chosen-plaintext attack against the optical encryption scheme based on joint transform correlator (JTC) architecture. By implementing this attack, an opponent can access the encryption key with the help of the pre-knowledge of a special chosen plaintext and the corresponding ciphertext. It indicates that the optical encryption scheme based on the JTC architecture is vulnerable to chosen-plaintext attack, even though introducing a nonlinear operation into the encryption transform. The validity of this attack is verified by numerical simulations.

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© 2011 Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation

Wan Qin ; Xiang Peng and Xiangfeng Meng
"Cryptanalysis of optical encryption schemes based on joint transform correlator architecture", Opt. Eng. 50(2), 028201 (February 01, 2011). ; http://dx.doi.org/10.1117/1.3533028


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