Sunil K. Joseph – författare

Scientific Study from the year 2017 in the subject Computer Science - Applied, grade: 1,5, Mar Augusthinose College, language: English, abstract: Provable data possession (PDP) is a technique for ensuring the integrity of data in storage outsourcing. In this scheme, we address the construction of an efficient PDP scheme for distributed cloud storage to support the scalability of service and data migration, in which we consider the existence of multiple cloud service providers to cooperatively store and maintain the clients' data. We present a cooperative PDP (CPDP) scheme based on homomorphic verifiable response and hash index hierarchy. We prove the security of our scheme based on multi-prover zero-knowledge proof system, which can satisfy completeness, knowledge soundness, and zero-knowledge properties. In addition, we articulate performance optimization mechanisms for our scheme, and in particular present an efficient method for selecting optimal parameter values to minimize the computation costs of clients and storage service providers. Our experiments show that our solution introduces lower computation and communication overheads in comparison with non-cooperative approaches. Using MR-PDP to store treplicas is computationally much more efficient than using a single-replica PDP scheme to store t separate, unrelated files (e.g., by encrypting each file separately prior to storing it). Another advantage of MR-PDP is that it can generate further replicas on demand, at little expense, when some of the existing replicas fail. The generation of replicas is on demand by the user's request that is based on the security choice selected by the user at the time of file upload. The user can choose three options Low, Medium, High at the time of file upload. The uploaded file is divided in to N blocks of different sizes to achieve the efficiency in storage and is also used to improve security, here N represent the number of clouds we are using. Low means the file is divided into N blocks (here 3), and each block is stored in N different location of the single cloud. Medium means the file is divided into N blocks and each block is stored in N different clouds which improves the security of data but reduce the availability. High means the file is divided into N blocks and each N block is stored in N different clouds that are we are keeping the replicas of file in N different clouds. The system maintains a download count to dynamically create the replicas in accordance with the users demand.

Scientific Study from the year 2017 in the subject Computer Science - Applied, grade: 1.5, Mar Augusthinose College, language: English, abstract: Health helpline is meant for interaction between users and doctors. A user can see various tips and precautions posted by the doctors related to various diseases and health related problems. Registered members can ask their questions and our related doctors post their reply through this helpline. In this system there are mainly four modules a) The Administrator b) The doctors c) Clinic d) Patients. The ordinary persons can register either as doctor or users. If the doctor post the answer the admin check and allow or reject it. The admin and the doctor has the power to add disease and its symptoms. They can also add precautions for this disease. The user can view disease, its symptom and precautions for it. They can also view the detail of doctors and their photo, contact details etc. It help the doctor's publicity. Using this site the doctors can share the files (treatment information/or any scanning/X-ray result etc) of patient or any other to the other doctors. The system acts as an online encyclopaedia of health care. Clients can view the details of a specialist. Search and find the symptoms of a disease and their precautions. Find the latest health care tips. Clarify their doubts by asking related doctors.

Scientific Study from the year 2017 in the subject Computer Science - Applied, grade: 1.5, Mar Augusthinose College, language: English, abstract: In this modern world, computer becomes more and more popular and important to our society. We can use computer everywhere and they are very useful and helpful to our daily life. Computerized systems can be used for scheduling the jobs, update the stock details, for complex calculations, and also used for preparing bills to customers. Here we developed a system to computerize the major transactions in jewellery like, purchases, sales and bill preparation. This software can be used for managing customers as well as employees associated with that shop in a short period of time. The minimum guarantee is that this system takes less time compared to all manual works, so we can save time and money also.