International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064

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Survey Paper | Computer Science & Engineering | India | Volume 5 Issue 6, June 2016

Decentralized Access Control of Data Stored In Cloud Using Attribute Based Encryption and Hidden Attributes

Sumedha Tathavadekar | Vikas Maral [3]

Abstract: Cloud computings multi-tenancy feature, which provides privacy, security and access control challenges, because of sharing of physical resources among untrusted tenants. In order to achieve safe storage, policy based file access control, policy based file assured deletion and policy based renewal of a file stored in a cloud environment, a suitable encryption technique with key management should be applied before outsourcing the data. We implemented secure cloud storage by providing access to the files with the policy based file access using Attribute Based Encryption (ABE) scheme with RSA key public-private key combination. Private Key is the combination of the users credentials. So that high security will be achieved. Time based file Revocation scheme is used for file assured deletion. When the time limit of the file expired, the file will be automatically revoked and cannot be accessible to anyone in future. Manual Revocation also supported. Policy based file renewal is proposed. The Renewal can be done by providing the new key to the existing file, will remains the file until the new time limit reaches.

Keywords: Cloud storage, Access control, authentication, attribute-based encryption

Edition: Volume 5 Issue 6, June 2016,

Pages: 2579 - 2581

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