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International Conference on Information, Electronic and Computer Science (ICIECS 2010 E-BOOK)

Zibo,China,11.26-11.28,2010

ISBN: 978-1-935068-42-6 Scientific Research Publishing, USA

E-Book 2224pp Pub. Date: November 2010

Category: Computer Science & Communications

Price: $360

Title: Research of Vector Spatial Data Encryption Method Based on Oracle Spatial
Source: International Conference on Information, Electronic and Computer Science (ICIECS 2010 E-BOOK) (pp 1613-1616)
Author(s): Guangshi Li, Computer center, Anshan Normal University, Anshan Liaoning, China
Abstract: This paper further analyzes the organizational structure of vector spatial data in Oracle Spatial and structural characteristic of abstract data type SDO_GEOMETRY. And a encryption system of spatial data has been designed on this basis. This system will select the field to be encryption granularity and 3DES to be spatial data encryption algorithm. In the management of key, the paper fully combines the advantages between non-symmetric encryption algorithm and symmetric encryption algorithm. Asymmetric encryption algorithm RSA is used to protect the field key of 3DES algorithm，which is used to encrypt spatial data. Regarding encryption for the spatial index, a R-tree encryption method is presented, which selects the node as encryption granularity and DES as encryption algorithm, can greatly reduces the amount of data required to decrypt for each query, makes the encrypted R-tree index still keeps the highly effective query performance.
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