Title:
A METHOD AND APPARATUS FOR VERIFYING AN IMAGE FILE
Document Type and Number:
WIPO Patent Application WO/2007/065341
Kind Code:
A1
Abstract:
An image file verification method includes: loading the record including a image
file ID and characteristic value; calculating the characteristic value of the
image file corresponding the file ID; judging whether the characteristic value
recorded in the file match the calculated characteristic value; and if matches,
then the verification is passed, otherwise the verification is failed. An image
verification apparatus includes: a characteristic value load module, an image
file load module, a characteristic value calculating module and a characteristic
value comparing module. The technical scheme provided can prevent the image
file from being altered arbitrarily.
Inventors:
YANG XIAOHU (CN)
Application Number:
PCT/CN2006/002940
Publication Date:
June 14, 2007
Filing Date:
November 02, 2006
Export Citation:
Assignee:
TENCENT TECH SHENZHEN CO LTD (CN)
YANG XIAOHU (CN)
YANG XIAOHU (CN)
International Classes:
G06F17/00; G06F21/64
Domestic Patent References:
| WO2004034325A1 | 2004-04-22 |
Foreign References:
| CN1431622A | 2003-07-23 | |||
| CN1536871A | 2004-10-13 |
Attorney, Agent or Firm:
DEQI INTELLECTUAL PROPERTY LAW CORPORATION (No. 1 Zhichun Road Haidian District, Beijing 3, CN)
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