SIGNATURE VERIFICATION METHOD AND APPARATUS, ELECTRONIC DEVICE AND READABLE STORAGE MEDIUM

Title:

SIGNATURE VERIFICATION METHOD AND APPARATUS, ELECTRONIC DEVICE AND READABLE STORAGE MEDIUM

Document Type and Number:

WIPO Patent Application WO/2020/057389

Kind Code:

A1

Abstract:

Provided are a signature verification method and apparatus, an electronic device and a readable storage medium. The method comprises: obtaining a signature verification instruction, wherein the signature verification instruction is used to instruct the verification of whether a target signature picture is a real signature picture of a target signer based on a signature rule corresponding to the target signer; the signature rule comprises an embedding rule of first signature information embedded in a preset first type of pixel of the real signature picture; and the first signature information is obtained by encrypting the preset information by using a private key of the target signer; acquiring, according to the signature rule, second signature information from a third type of pixel that is in the target signature picture and matches the position of the first type of pixel; determining whether a public key of the target signer can be used to decrypt the preset information from the second signature information; if so, determining that the target signature picture is a real signature picture; and if not, determining that the target signature picture is not a real signature picture. In this way, the authenticity of the signature in the target signature picture can be identified.

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Inventors:

LAN TIANCAI (CN)
ZHANG RUIQIANG (CN)

Application Number:

PCT/CN2019/104942

Publication Date:

March 26, 2020

Filing Date:

September 09, 2019

Export Citation:

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Assignee:

BEIJING KINGSOFT OFFICE SOFTWARE INC (CN)
ZHUHAI KINGSOFT OFFICE SOFTWARE CO LTD (CN)

International Classes:

H04L9/32

Domestic Patent References:

WO2016128329A1

2016-08-18

Foreign References:

CN106100849A	2016-11-09
CN108197685A	2018-06-22
CN105493137A	2016-04-13
CN103646375A	2014-03-19
US20100104129A1	2010-04-29

Attorney, Agent or Firm:

PATENTSINO IP FIRM (CN)

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