Implementation of re-encryption based security mechanism to authenticate shared access in cloud computing

Mahakalkar, Neha; Sahare, Vaishali

doi:10.1109/icoei.2017.8300719

Cited by 1 publication

(1 citation statement)

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“…However, the solution cannot guarantee user identity privacy and does not have the traceability of transactions and data. Mahakalkar and Sahare [14] proposed SAPA, a privacy protection authentication protocol based on sharing authority, which uses reencryption to realize data sharing between multiple users. The use of an access request matching mechanism realizes the user's identity is private, but cannot guarantee the traceability of data and transactions.…”

Section: Related Workmentioning

confidence: 99%

Blockchain Data Privacy Protection and Sharing Scheme Based on Zero-Knowledge Proof

Tao

Yang

Liu

et al. 2022

Wireless Communications and Mobile Computing

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The data generated in the Industrial Internet of Things (IIoT) has important research value. In the process of data sharing, data privacy, security, and data availability are important issues that cannot be ignored. This paper proposes a blockchain privacy protection scheme based on zero-knowledge proof to realize the secure sharing of data among data owners, cloud service providers, and semitrusted cloud servers. First, the method of combining zero-knowledge proof and smart contract is used to verify the availability of data between the data owner and the cloud service provider under the premise of protecting data privacy. Second, proxy reencryption technology is used to realize the secure sharing of data among authorized cloud service providers. In addition, data sharing transaction information between multiple parties and data hashes with digital signatures are stored on the blockchain to achieve public and verifiable data sharing information and data validity. Finally, the theoretical analysis of the scheme shows that the scheme meets the confidentiality requirements of security, integrity, and validity.

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Section: Related Workmentioning

confidence: 99%