Madhirjau P. Achieving Multi Layered security, Flexibility, Scalability, Access Control in Cloud Computing Using Hierarchical Attribute Set Based Encryption (HASBE). int. jour. eng. com. sci [Internet]. 2017 Dec. 31 [cited 2024 Apr. 20];4(04). Available from: http://ijecs.in/index.php/ijecs/article/view/1757