Enhanced Information Security Over Cloud Computing Environment using Modified Data Cipher Policies

The need for safe large data storage services is at an all-time high and confidentiality is a fundamental need of any service. Consideration must also be given to service customer anonymity, one of the most important privacy considerations. As a result, the service should offer realistic and fine-grained [11] encrypted data sharing, which allows a data owner to share a cipher text of data with others under certain situations. In order to accomplish the aforesaid characteristics, our system offers a novel privacy- preserving cipher text multi-sharing technique. In this way, proxy re-encryption and anonymity are combined to allow many receivers to safely and conditionally receive a cipher text while maintaining the confidentiality of the underlying message and the identities of the senders and recipients. In this paper, a logical cloud security scheme is introduced called Modified Data Cipher Policies (MDCP), in which it is a new primitive also protects against known cipher text attacks, as demonstrated by the system.