Cloud storage is a model of data storage, whose demand is greatly increasing. The data sharing is one of the concerning functionality in today’s world of information as it involves security, efficiency and flexibility as their important aspects. Various schemes and methodologies are implemented to make data sharing more effective. With the introduction of encryption and decryption schemes, the storing, sharing and securing of data became rampant. The storing of these cipher texts and the decryption keys is one of the major issues.