Special Issue Article Open Access

Providing Access Permissions to Legitimate Users by Using Attribute Based Encryption Techniques In Cloud

Abstract

Clouds are being used to store sensitive information about patients to enable access to medical professionals, hospital staff, researchers, and policy makers. It is important to control the access of data so that only authorized users can access the data. This scheme proposed validity of the message without revealing the identity of the user who has stored information in the cloud and also added feature of access control in which only valid users are able to decrypt the stored information. In Attribute Based Signature scheme to achieve versatile primitive users can allows a party to sign a message with finegrained control over identifying information. In ABS, a signer, who possesses a set of attributes from the authority, can sign a message with a predicate that is satisfied by his attributes. The signature reveals no more than the fact that a single user with some set of attributes satisfying the predicate has attested to the message

R.Udhayakumar, M. Jawahar , I.Ramasamy

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