Reversible data hiding in encrypted domain based on NTRU and Chinese remainder theorem
Authors: Xinyue Zhang, Kunyi Lai, Xin Tang
Reversible data hiding in the encrypted domain (RDH-ED) based on homomorphic encryption provides a promising approach for privacy-preserving data sharing, yet existing methods based on the N th-degree truncated polynomial ring unit (NTRU) face a fundamental conflict between embedding capacity and reversibility, often requiring preprocessing of plaintext, which in turn compromises randomness of the ciphertext obtained. To address these issues, a novel RDH-ED scheme integrating the Chinese remaind