Title:
METHOD AND TERMINAL FOR DIGITALLY SIGNING PICTURE
Document Type and Number:
WIPO Patent Application WO/2019/061185
Kind Code:
A1
Abstract:
Disclosed in the present application are a method and a terminal for digitally signing a picture. The method comprises: Obtaining by a terminal a picture to be signed, a user key, and user ID information; determining by the terminal a hash value of the picture to be signed, according to the picture to be signed; and generating by the terminal a digital signature according to the hash value of the picture to be signed, the user key, and the user ID information. The method and the terminal for digitally signing a picture according to the present application can digitally sign a picture to improve the security of information exchange.
Inventors:
LU XIAOHUA (CN)
Application Number:
PCT/CN2017/104065
Publication Date:
April 04, 2019
Filing Date:
September 28, 2017
Export Citation:
Assignee:
SHENZHEN TRANSSION COMMUNICATION LTD (CN)
International Classes:
H04N5/225; H04L9/32
Foreign References:
| CN101359989A | 2009-02-04 | |||
| CN104618107A | 2015-05-13 | |||
| JP2006050535A | 2006-02-16 | |||
| CN104933342A | 2015-09-23 | |||
| CN101562681A | 2009-10-21 |
Attorney, Agent or Firm:
LEADER PATENT & TRADEMARK FIRM (CN)
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