A Safe Policy Based Data Sharing Scheme for Dynamic Groups in the Cloud

A Safe Policy Based Data Sharing Scheme for Dynamic Groups in the Cloud

  IJETT-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
  
© 2017 by IJETT Journal
Volume-46 Number-2
Year of Publication : 2017
Authors : R.Aiswarya, M.Nikitha, N.Rama Kalpana
DOI :  10.14445/22315381/IJETT-V46P212

Citation 

R.Aiswarya, M.Nikitha, N.Rama Kalpana "A Safe Policy Based Data Sharing Scheme for Dynamic Groups in the Cloud", International Journal of Engineering Trends and Technology (IJETT), V46(2),67-70 April 2017. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group

Abstract
In cloud providing securities, the users can achieve an effective and economical approach for data sharing among group members in the cloud with the characters of low maintenance and little management cost. Then, security certifications to the sharing information records will be given since they are outsourced. In addition, for the existing plans, the security of key distribution is based on secure communication channel.[1] In this paper we propose a safe information sharing plan for every individual in the group. Firstly, we propose a safe route for key distribution with no safe correspondence channels, and the group members can safely obtain their private key from group manager. Second, we use fine-grained access control, any user in the group can use the sources in the cloud and the revoked users cannot access the cloud again after they are revoked from the group. Third, we can protect the stored data files from collusion attack, so that the revoked users cannot access the original data files even if they have the plan with un-trusted cloud. In this we use polynomial function for secure user revocation and good efficiency. It means old user in the group need not renew their private keys when a new user is added into the group or a user is revoked from the group.

 References

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Keywords
Data Sharing, Cloud Computing, AES Algorithm, Ring Signature.