A privacy-preserving cloud storage framework with hybrid encryption, homomorphic keyword search, and blockchain-based integrity verification

Abstract Cloud storage outsourcing introduces critical privacy risks as Cloud Service Providers (CSPs) can access unencrypted user data, while encryption eliminates essential functionality such as searchability and remote integrity verification. Existing solutions face a trilemma: fully homomorphic...

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Autori principali:	Haitham M. A. Ahmed, Swaleha Zubair, Mohammed Tawfik
Natura:	Artigo
Lingua:	Inglês
Pubblicazione:	Nature Portfolio 2026-04-01
Serie:	Scientific Reports
Soggetti:	Cloud storage security Privacy-preserving encryption Homomorphic encryption Searchable encryption blockchain Ethereum smart contracts
Accesso online:	https://doi.org/10.1038/s41598-026-48705-x
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