Proposed encryption scheme improves search efficiency and reduces overhead in data sharing using cloud servers and smart contracts, indicating enhanced security.
Key Points
This research aims to improve data sharing security and efficiency through a new encryption scheme for blockchain.
Developed OD‐H‐SABE with outsourced decryption and hierarchical attributes.
Implemented searchable encryption using multi-keyword aggregate hashing.
Conducted theoretical and experimental analyses to evaluate performance.
Achieved a 20% reduction in encryption overhead compared to existing models.
Lowered user-side decryption overhead by approximately 42% over traditional methods.
Demonstrated enhanced search efficiency and trustworthiness throughout the data sharing process.