Computation process has changed itself from desktop computing to cluster computing and to grid computing and now a days it goes towards cloud computing. In today's trend, Cloud computing is being preferred by majority of the organization because of its major advantages in terms of scalability and multi tenancy. Among all these advantageous features of cloud computing, the only hitch is the security of the data that is stored in the cloud. The security clause rests with the cloud service provider but security can be applied on client side also and it is possible if the user knows how his data is secured. This paper proposes a mechanism which can help the user to ensure the security of his data at the client-side.