A Scalable Data Integrity Mechanism Based on Provable Data Possession and JARs
| Autor: | Abid Khan, Naveed Ahmed, Zara Hamid, Farhana Jabeen, Mansoor Ahmed, Faheem Zafar, Majid Iqbal Khan, Faisal Bashir |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Scheme (programming language)
021110 strategic defence & security studies Database Computer Networks and Communications business.industry Computer science 020208 electrical & electronic engineering 0211 other engineering and technologies Data security 02 engineering and technology Information repository computer.software_genre Metadata Data integrity Storage security Scalability 0202 electrical engineering electronic engineering information engineering business computer Cloud storage Information Systems Computer network computer.programming_language |
| Zdroj: | KSII Transactions on Internet and Information Systems. 10 |
| ISSN: | 1976-7277 |
| Popis: | Cloud storage as a service provides high scalability and availability as per need of user, without large investment on infrastructure. However, data security risks, such as confidentiality, privacy, and integrity of the outsourced data are associated with the cloud-computing model. Over the year’s techniques such as, remote data checking (RDC), data integrity protection (DIP), provable data possession (PDP), proof of storage (POS), and proof of retrievability (POR) have been devised to frequently and securely check the integrity of outsourced data. In this paper, we improve the efficiency of PDP scheme, in terms of computation, storage, and communication cost for large data archives. By utilizing the capabilities of JAR and ZIP technology, the cost of searching the metadata in proof generation process is reduced from O(n) toO(1). Moreover, due to direct access to metadata, disk I/O cost is reduced and resulting in 50 to 60 time faster proof generation for large datasets. Furthermore, our proposed scheme achieved 50% reduction in storage size of data and respective metadata that result in providing storage and communication efficiency. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|