Cloud Data Integrity using Password Based Digital Signatures

Abstract — As more and more information of individuals and companies is placed in the cloud, concerns are beginning to grow about just how safe an environment it is. This paper deals with a security mechanism which ensures the integrity of the data stored in the cloud. In this paper, a password based digital signature technique has been proposed. This combination mechanism provides three way security i.e. data security, authentication and verification. In this paper, I have proposed RSA encryption algorithm for confidentiality of data and for authentication hash algorithm can be implemented and PBKDF2 key derivation function for generating the key for encryption