Multi-key hybrid encryption optical codebook based on five-dimensional Hamiltonian conservative chaotic system

Area of Science:

• Optics and Photonics
• Information Security
• Computational Science

Background:

• Traditional codebook methods struggle with information capacity and security in the era of big data.
• Brute-force attacks pose a significant threat to conventional encryption techniques.

Purpose of the Study:

• To propose a computational holographic optical codebook for enhanced information capacity and security.
• To develop a system resistant to brute-force attacks using chaotic encryption.

Main Methods:

• A five-dimensional Hamiltonian conservative chaotic system (FHCCS) was employed.
• Chaotic sequences generated by multiple keys were used for encrypting codebooks and ciphertexts.
• Computer-generated holography (CGH) was utilized for codebook creation with hybrid encryption.

Main Results:

• The proposed optical codebook demonstrated high security and large information capacity.
• Fast decryption speeds and strong resistance to brute-force attacks were achieved.
• Theoretical and experimental results validated the system's effectiveness.

Conclusions:

• The computational holographic optical codebook presents a robust solution for secure data storage.
• The hybrid encryption approach significantly enhances security against sophisticated attacks.
• The system exhibits considerable practical value due to its security, capacity, and speed.