Title:
TRUSTED DOCUMENT UPDATING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/176175
Kind Code:
A1
Abstract:
A trusted document updating method. The method comprises: set a globally-unique document identifier in each managed document, and set an access address of a corresponding cloud server in the document (S110); when the document is modified each time, transmit characteristic data of a version that is not modified and characteristic data of a new version to a cloud server, and record version characteristic update information (S120); when the document is opened, access the cloud server, and access a tree-shaped data structure corresponding to the current document identifier according to the document identifier and current document eigenvalue information (S130); according to neighbor information of a current user identifier, the cloud server removes a leaf node a corresponding author of which is not a neighbor in the tree-shaped data structure (S140); for the tree-like data structure the leaf node of which is removed, add all leaf nodes in a subtree using the current document eigenvalue as a root, into a list of "a latest edition of a current version" (S150); and download data of a corresponding version from the cloud server according to a version selected by the user, so as to overwrite content of a local copy of the current user (S160).
Inventors:
JING KAI (CN)
LIU FANGMING (CN)
LIU FANGMING (CN)
Application Number:
PCT/CN2017/000272
Publication Date:
October 04, 2018
Filing Date:
April 01, 2017
Export Citation:
Assignee:
FUJIAN FOXIT SOFTWARE DEV JOINT STOCK CO LTD (CN)
International Classes:
G06F17/30
Foreign References:
| CN107180052A | 2017-09-19 | |||
| CN105045770A | 2015-11-11 | |||
| CN104182397A | 2014-12-03 | |||
| US20140032488A1 | 2014-01-30 | |||
| US20150199411A1 | 2015-07-16 |
Attorney, Agent or Firm:
KELONG INTERNATIONAL INTELLECTUAL PROPERTY AGENCY LTD. (CN)
Download PDF:
Previous Patent: METHOD FOR FEEDING BACK INTERCONNECTED DOCUMENT
Next Patent: METHOD FOR AUTOMATICALLY GIVING ALARM AFTER ENCRYPTED DOCUMENT IS LEAKED
Next Patent: METHOD FOR AUTOMATICALLY GIVING ALARM AFTER ENCRYPTED DOCUMENT IS LEAKED