Secure and Dependable Cloud Storage Services for CRMJournal: International Journal of Science and Research (IJSR) (Vol.2, No. 12)
Publication Date: 2013-12-05
Authors : U. Rama Govinda Reddy;
Page : 191-196
Keywords : Cloud storage; tendency; error localization;
Cloud storage allows users to remotely store their knowledge and luxuriate in the on-demand prime quality cloud applications while not the burden of native hardware and software package management. Although the advantages area units clear, such a service is additionally relinquishing users physical possession of their outsourced knowledge that inevitably poses new security risks toward the correctness of the info in cloud. So as to handle this new downside and additional come through a secure and dependable cloud storage service, we have a tendency to propose during this paper a versatile distributed storage integrity auditing mechanism, utilizing the homomorphic token and distributed erasure-coded knowledge. The projected style permits users to audit the cloud storage with terribly light-weight communication and computation price. The auditing result not solely ensures robust cloud storage correctness guarantee, however additionally at the same time achieves quick knowledge error localization, i. e. , the identification of misbehaving server. Considering the cloud knowledge area unit dynamic in nature, the projected style additional supports secure and economical dynamic operations on outsourced knowledge, as well as block modification, deletion, and append. Analysis shows the projected theme is very economical and resilient against Byzantine failure, malicious knowledge modification attack, and even server colluding attacks.
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