Identity and Proxy Orientation Based Remote Data Integration Checking and Uploading in Public Clouds

Since a huge number of clients are adapting to the paradigm of cloud computing, most prefer to keep data in PCS, which causes the need to find solutions for emerging security threats against smooth data processing in a public cloud environment. If proxies can't gain direct access to PCS, the client can use such proxies to carry out processing on his behalf and later upload. Meanwhile, there is a considerable security concern regarding outsourced data without downloading the whole dataset in the context of public cloud storage. To combat these security challenges, we are proposing a new model for us called ID-PUIC based on identity-based public key cryptography. A new model has been presented aiming at incorporating data integrity to provide an overall solution. We establish a structured framework for the implementation of ID-PUIC by providing a formal definition, system model with security. In addition to this, we design a concrete ID-PUIC protocol along with bilinear pairings that ensure security and efficiency. Moreover, the protocol is flexible and efficient in meeting the needs of different clients and levels of authorization. The original client's consent to offer private, delegated, and public remote data integrity checking is incorporated into the ID-PUIC protocol. This approach will ensure that clients can manage the integrity of their outsourced data effectively while meeting the security standards and regulatory requirements in the public cloud environment.