Dynamic Secure Key Distribution Based on Dispersion Equalization and Cellular Automata for Optical Transmission
This paper proposes a dynamic secure key distribution scheme based on dispersion equalization and cellular automata (CAs). The scheme effectively eliminates the key inconsistency problem caused by imperfect channel reciprocity, and dynamic key sequences can be conveniently generated with large key s...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2023-11-01
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| Series: | Photonics |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2304-6732/10/12/1308 |
| _version_ | 1797379622820642816 |
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| author | Jiabin Cui Wei Kong Zhaoyang Liu Yuefeng Ji |
| author_facet | Jiabin Cui Wei Kong Zhaoyang Liu Yuefeng Ji |
| author_sort | Jiabin Cui |
| collection | DOAJ |
| description | This paper proposes a dynamic secure key distribution scheme based on dispersion equalization and cellular automata (CAs). The scheme effectively eliminates the key inconsistency problem caused by imperfect channel reciprocity, and dynamic key sequences can be conveniently generated with large key space in long-haul optical transmission. In the process of communication, the legitimate parties obtain the secure core parameter from the frequency domain equalizer algorithm, and a final key sequence is generated through CA iterations on the basis of the core parameter. The randomness and reciprocity characteristics of the channel ensure the security and uniqueness of the core parameter and final key sequence. With 10G Baud 16 quadrature amplitude modulation over 400 km standard single-mode fiber transmission, the proposed scheme is verified with a free key error rate and an unlimited key generation rate. The security robustness of this scheme was theoretically analyzed and verified by sweeping the eavesdropper’s tapping position and improving CA operation processing. The proposed key distribution scheme is compatible with the existing transmission system for different signal modulation formats. |
| first_indexed | 2024-03-08T20:25:48Z |
| format | Article |
| id | doaj.art-2b1fe2134df2404a88e326e29d46f3ef |
| institution | Directory Open Access Journal |
| issn | 2304-6732 |
| language | English |
| last_indexed | 2024-03-08T20:25:48Z |
| publishDate | 2023-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Photonics |
| spelling | doaj.art-2b1fe2134df2404a88e326e29d46f3ef2023-12-22T14:32:43ZengMDPI AGPhotonics2304-67322023-11-011012130810.3390/photonics10121308Dynamic Secure Key Distribution Based on Dispersion Equalization and Cellular Automata for Optical TransmissionJiabin Cui0Wei Kong1Zhaoyang Liu2Yuefeng Ji3State Key Laboratory of Information Photonics and Optical Communications, School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, ChinaState Key Laboratory of Information Photonics and Optical Communications, School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, ChinaState Key Laboratory of Information Photonics and Optical Communications, School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, ChinaState Key Laboratory of Information Photonics and Optical Communications, School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, ChinaThis paper proposes a dynamic secure key distribution scheme based on dispersion equalization and cellular automata (CAs). The scheme effectively eliminates the key inconsistency problem caused by imperfect channel reciprocity, and dynamic key sequences can be conveniently generated with large key space in long-haul optical transmission. In the process of communication, the legitimate parties obtain the secure core parameter from the frequency domain equalizer algorithm, and a final key sequence is generated through CA iterations on the basis of the core parameter. The randomness and reciprocity characteristics of the channel ensure the security and uniqueness of the core parameter and final key sequence. With 10G Baud 16 quadrature amplitude modulation over 400 km standard single-mode fiber transmission, the proposed scheme is verified with a free key error rate and an unlimited key generation rate. The security robustness of this scheme was theoretically analyzed and verified by sweeping the eavesdropper’s tapping position and improving CA operation processing. The proposed key distribution scheme is compatible with the existing transmission system for different signal modulation formats.https://www.mdpi.com/2304-6732/10/12/1308key distributiondispersion equalizationcellular automatakey error rate |
| spellingShingle | Jiabin Cui Wei Kong Zhaoyang Liu Yuefeng Ji Dynamic Secure Key Distribution Based on Dispersion Equalization and Cellular Automata for Optical Transmission Photonics key distribution dispersion equalization cellular automata key error rate |
| title | Dynamic Secure Key Distribution Based on Dispersion Equalization and Cellular Automata for Optical Transmission |
| title_full | Dynamic Secure Key Distribution Based on Dispersion Equalization and Cellular Automata for Optical Transmission |
| title_fullStr | Dynamic Secure Key Distribution Based on Dispersion Equalization and Cellular Automata for Optical Transmission |
| title_full_unstemmed | Dynamic Secure Key Distribution Based on Dispersion Equalization and Cellular Automata for Optical Transmission |
| title_short | Dynamic Secure Key Distribution Based on Dispersion Equalization and Cellular Automata for Optical Transmission |
| title_sort | dynamic secure key distribution based on dispersion equalization and cellular automata for optical transmission |
| topic | key distribution dispersion equalization cellular automata key error rate |
| url | https://www.mdpi.com/2304-6732/10/12/1308 |
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