Lazy-mode Ciphertext-update Based Approach for CP-ABE Attribute Change

Ciphertext-policy attribute-based encryption(CP-ABE) can be used to realize secure data sharing in cloud computing environments.However,user attribute change(attribute revocation and addition) in CP-ABE is a tricky problem.Generally,attribute change is realized via the proxy server’s secondary encry...

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Bibliographic Details
Published in:Jisuanji kexue
Main Author: LEI Xue-jiao, WANG Yin-long, Nurmamat HELIL
Format: Article
Language:Chinese
Published: Editorial office of Computer Science 2022-10-01
Subjects:
Online Access:https://www.jsjkx.com/fileup/1002-137X/PDF/1002-137X-2022-49-10-327.pdf