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InfoResearchPeer-reviewed
Chain Reaction: A Triple-Chain Architecture for Sensitive Thumbnail-Preserving Image Encryption
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- Record updated
Summary
Researchers propose a triple-chain architecture for sensitive thumbnail-preserving encryption (TPE), arguing that existing TPE schemes encrypt pixels, blocks, or channels independently, which creates security vulnerabilities. The design links three encryption chains at the pixel, block, and channel levels, so any minor change to the original or encrypted image produces completely different encryption or decryption results. The authors report that the approach achieves sensitive TPE while keeping visual usability and privacy protection.