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Indore: DAVV team secures patent for multiparty binary access controls

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Indore: A team of Devi Ahilya Vishwavidyalaya (DAVV) comprising two faculty members and a student has been awarded patent for inventing multiparty binary access controls for enterprise applications.Their invention has been published by Patent Office Journal.

Institute of Engineering and Technology (DAVV) faculty members Prof Vrinda Tokekar, Vivek Kapoor and ME student Upendra Kumar Jariya developed a technique which accurately check user permissions on enterprise applications.

Vice chancellor Dr Narendra Dhakad described their invention as ‘revolutionary’. “We are happy that they have got patent also for their work,” he said.


Enterprise applications generally have hundreds of users, hundreds of entities and thousands of permissions to protect huge amount of data and resources which are confidential in nature not only for external world but also within the organisational boundaries. Most of the times this data takes up to 5 database tables to store the Role Based Access Control (RBAC) permissions.

On every operation by every user, either a very complex nested query or multiple simple database queries are fired to identify if the user has appropriate rights to perform the task. Thus, selecting permissions for user from database also consumes time while user attempts to perform some operation.

Once the permissions are checked, the operation is further completed by the system, but if the user has insufficient permissions, an error is displayed on the GUI and operation is denied by the system.

“The current approaches for RBAC are inefficient in all -computation time, runtime memory and database storage. Binary arithmetic is known for being vast in scalability, smallest in memory and fastest in speed. Our method uses binary data structure and binary arithmetic to accurately check user permissions. We also claim that our method is the most scalable and fastest possible for RBAC,” said Kapoor.

2nd patent since establishment

This is the second patent awarded to the DAVV since its inspection in 1964. About a decade ago, DS Bhilare of the varsity was awarded patent for his invention in computer science. Tokekar said that IET faculty member Shashi Prakash has also done an invention and applied for patent. Hopefully he would get patent soon. Dhakad said that patent would be helpful in getting good rating from National Assessment and Accreditation Council (NAAC).