Enabling Batch Verification for Provable Data Possession on Remote Cloud Storage
Date Issued
2012
Date
2012
Author(s)
Lin, Chao-Wei
Abstract
When we use various applications of cloud storage services, we may doubt that whether these service providers keep our data safe and sound. It is an important issue because many cloud services provided on the network and people are accustomed to use these applications to share data with friends. If there is no cryptographic protocols and security models applied to those applications, customers can only rely on the service providers to control their outsourced data. Therefore, the data owners need an efficient algorithm or structure which can help them to know whether the integrity of outsourced data is held properly or not.
In this thesis, we focus on the integrity issue of outsourced data and batch verification for multiple files in a workspace. We provide an efficient algorithm to check the integrity of a workspace instead of a single file. In addition, we compare the computing time and communication cost between multiple verifications of chosen files in a workspace and our batch verification structure.
Subjects
Batch verification
provable data possession
cloud storage
data integrity
dynamic operation
Type
thesis
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