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FUZZY IDENTITY AND ATTRIBUTE BASED ENCRYPTION FOR FINE GRAINED ACCESS CONTROL OF ENCRYPTED DATA

Publication Date : 14/07/2018


DOI : 10.21884/IJMTER.2018.5172.M7IZ2

Author(s) :

K.Meena , S.Abarna.


Volume/Issue :
Volume 5
,
Issue 7
(07 - 2018)



Abstract :

Due to the complexity and volume, outsourcing cipher texts to a cloud is deemed to be one of the most effective approaches for big data storage and access. Nevertheless, verifying the access legitimacy of a user and securely updating a cipher ext in the cloud based on a new access policy designated by the data owner are two critical challenges to make cloud-based big data storage practical and effective. Traditional approaches either completely ignore the issue of access policy update or delegate the update to a third Party authority; but in practice, access policy update is important for enhancing security and dealing with the dynamism caused by user join and leave activities. It also enables (i) the data owner and eligible users to effectively verify the legitimacy of a user for accessing the data, and (ii) a user to validate the information provided by other users for correct plain text recovery.


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FUZZY IDENTITY AND ATTRIBUTE BASED ENCRYPTION FOR FINE GRAINED ACCESS CONTROL OF ENCRYPTED DATA

July 9, 2018