Fiber wireless seamless integrated encryption transmission scheme based on ciphertext-key double collaborative DNA...

Area of Science:

• Communications Engineering
• Cryptography
• Biotechnology

Background:

• Fiber-wireless integrated communication systems require robust security measures.
• Existing encryption methods may face challenges in seamless integrated environments.
• DNA computing offers novel approaches for data security and transmission.

Purpose of the Study:

• To propose a double reconstructive DNA encryption transmission scheme for fiber-wireless integrated communication.
• To enhance the security and efficiency of data transmission in hybrid networks.
• To leverage chaotic systems and DNA coding for secure information transfer.

Main Methods:

• Utilizing a 5D memristor ring chaotic system and a 1D chaotic system for encryption.
• Implementing DNA coding mapping rules for collaborative reconstruction of ciphertext-key information.
• Demonstrating transmission over 25 km of standard single-mode fiber and 10 m of wireless distance.

Main Results:

• Achieved a key space of 10^221, significantly enhancing security.
• Successfully transmitted 48 Gb/s encrypted 16QAM signals.
• Bit error rate (BER) met the hard decision forward error correction (HD-FEC) threshold of 3.8 × 10^-3.
• BER exceeded 0.4 when DNA masking factor offsets were greater than 1, indicating sensitivity to parameters.

Conclusions:

• The proposed double reconstructive DNA encryption scheme provides a secure solution for fiber-wireless integrated communication.
• The scheme demonstrates high data rates and meets essential error correction thresholds.
• The findings highlight the potential of chaotic systems and DNA coding in advanced secure communication systems.