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Binary-tree encryption strategy for optical multiple-image encryption.
Applied Optics
|July 14, 2016
Summary
This study introduces a novel binary-tree encryption strategy for multiple images, enhancing security and enabling secure authority management. This approach prevents attackers from exploiting one decrypted image to compromise others.
Area of Science:
- Optics and Information Security
Background:
- Traditional optical multiple-image encryption schemes share similar encryption/decryption processes, making them vulnerable to cascading attacks.
- An attacker decrypting one image can more easily compromise other images in conventional schemes.
Purpose of the Study:
- To propose a binary-tree encryption strategy for multiple images to enhance security and enable robust authority management.
- To develop a secure method for multiple-image encryption that resists conventional attacks.
Main Methods:
- A binary-tree encryption strategy is proposed for multiple-image encryption.
- A basic binary-tree encryption scheme is devised using asymmetric double random phase encoding in the gyrator domain.
Main Results:
- The proposed strategy increases the security of multiple-image encryption.
- The strategy enables high-security authority management for users sharing cipher images.
- Simulation results demonstrate the feasibility and effectiveness of the binary-tree encryption strategy.
Conclusions:
- The binary-tree encryption strategy offers a significant improvement in security for multiple-image encryption.
- This strategy provides a viable solution for secure sharing and access control of encrypted multiple images.
