Abstract
Access control has made a long way from 1960s. With the advent changes of technologies pertaining to location transparency in storage of data, there arises different access control scenarios. Cloud storage, the predominant storage that is being in use currently, also paves way to various access control problems. Though there are various access control mechanisms such as RBAC, ABAC, they are designed on the user’s perspective such as the role held by the user or other attributes assigned to the user. A new access control mechanism called object relationship based access control (RoBAC) has been developed based on the relations held among the users. The policy decision of access control is based on the relationship among the classes followed in the Java programming. Results have shown that this model best suits various scenarios in the cloud environment, and it also shows that the time for making decision either to allow or to deny is reduced compared to the existing system.
Highlights
The way in which the cloud services are provided to the end user changes the storage method of the organizations and individuals, with the increased trend of organizations moving towards the cloud infrastructure under different cloud models such as public, private and hybrid cloud; we concentrate on access control model in private cloud
These kinds of languages need a new learning curve and the access control policies are implemented separately; the policy decisions of access privileges are designed based on the various relations that exist between classes in the java programming language, i.e. the concept of a particular programming language is being used as policy specification language
The major Access control mechanism that comes in to use is RBAC, role based access control which is followed by Attribute Based Access Control (ABAC), RBAC [6] [7] is the method in which the access rights are provided on the basis of the roles held by the user
Summary
The way in which the cloud services are provided to the end user changes the storage method of the organizations and individuals, with the increased trend of organizations moving towards the cloud infrastructure under different cloud models such as public, private and hybrid cloud; we concentrate on access control model in private cloud. Extensible access control language (XACML) [3] based on xml is one such language that has been used widely; another such policy specification language is ponder [4] which is based on the object oriented technology. These kinds of languages need a new learning curve and the access control policies are implemented separately; the policy decisions of access privileges are designed based on the various relations that exist between classes in the java programming language, i.e. the concept of a particular programming language is being used as policy specification language. With the advent usage of automatic code generation and web services based development, our work will be of a starting point to this type of policy specification
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