Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CLOUD SERVICE-BASED DATA STORAGE METHOD, INTEGRITY DETECTION METHOD AND APPARATUS, AND TERMINAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/113088
Kind Code:
A1
Abstract:
In the field of computer technology, provided are a cloud service-based data storage method, an integrity detection method and an apparatus, and a terminal device. The method comprises: receiving a request for uploading a file to a cloud storage server that provides a cloud service (S101), determining, according to an overhead parameter of the cloud service, the number of file blocks that the file is divided into, the determined number enabling the storage overhead of the file to be minimum (S102), dividing the file into the determined number of data blocks, and calculating an HMAC of each data block (S103), and uploading each data block and the corresponding HMAC to the cloud storage server for storage (S104), thereby reducing the software and hardware overheads needed by the cloud storage service to the maximum extent, reducing the cost of the cloud storage service.

Inventors:
CHEN FEI (CN)
ZHANG TAOYI (CN)
CHEN JIANYONG (CN)
Application Number:
PCT/CN2015/099377
Publication Date:
July 06, 2017
Filing Date:
December 29, 2015
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
UNIV SHENZHEN (CN)
International Classes:
H04L29/08
Foreign References:
CN103379133A2013-10-30
CN102281321A2011-12-14
CN104754055A2015-07-01
CN103873505A2014-06-18
US20130041872A12013-02-14
Attorney, Agent or Firm:
SHENZHEN YOUTH PATENT AND TRADEMARK AGENCY LTD. (CN)
Download PDF: