Electronic signature management method, electronic signature management system, and computer-readable storage medium

1 . An electronic signature management method, comprising the following steps:

acquiring a plurality of pieces of personal identity information and a plurality of corresponding digital certificates;

generating a plurality of personal digital signatures according to the plurality of pieces of personal identity information and the plurality of corresponding digital certificates; and

generating a composite personal digital signature according to the plurality of personal digital signatures, wherein the composite personal digital signature comprises the plurality of pieces of personal identity information and the plurality of corresponding digital certificates.

2 . The electronic signature management method according to claim 1 , wherein the plurality of pieces of personal identity information comprises biological feature information, identity card information, telephone number information, personal signature information, social insurance information, credit investigating information, and/or personal photo information of a user.

3 . The electronic signature management method according to claim 1 , further comprising:

acquiring a plurality of pieces of certificate information, and

generating a composite common digital signature according to the plurality of personal digital signatures and the plurality of pieces of certificate information, wherein the composite common digital signature comprises the plurality of pieces of certificate information, the plurality of pieces of personal identity information, and the plurality of corresponding digital certificates.

4 . The electronic signature management method according to claim 3 , wherein the plurality of pieces of certificate information comprises important information in business operation selected from the group consisting of electronic license information, tax-control information, juridical person identity information, shareholder information, social insurance information, annual inspection information, team information, intellectual property information, enterprise credit investigating information.

5 . The electronic signature management method according to claim 3 , wherein the plurality of pieces of certificate information is authenticated and sent by a plurality of corresponding certificate authority servers, and the plurality of pieces of certificate information comprises a corresponding timestamp and a validity period.

6 . The electronic signature management method according to claim 5 , further comprising:

determining whether the validity period of the plurality of pieces of certificate information expires or not; and

displaying the certificate information with a first color when it is determined that the validity period of the certificate information does not expire, and displaying the certificate information with a second color when it is determined that the validity period of the certificate information expires.

7 . The electronic signature management method according to claim 3 , further comprising:

providing a user with an interface to select a required personal digital signature and/or required certificate information from the plurality of personal digital signatures and the plurality of pieces of certificate information; and generating the composite personal digital signature and/or the composite common digital signature according to the personal digital signature and/or the certificate information selected by the user.

8 . The electronic signature management method according to claim 3 , further comprising:

providing a central control module, and a communication module, an identity authentication module, a secret key module, and a storage module that are connected to the central control module;

achieving communication with a user and an external server using the communication module;

storing the plurality of pieces of personal identity information using the identity authentication module, authenticating identity information input by the user using the stored plurality of pieces of personal identity information, and authorizing the user if the authentication succeeds;

storing the plurality of pieces of certificate information and secret keys authorized by a banking system and/or a government system using the secret key module;

storing the plurality of personal digital signatures, the composite personal digital signature, and the composite common digital signature using the storage module; and

receiving an input and controlling operations of other modules using the central processing module, and allowing, after the user is authorized, the user to use the plurality of personal digital signatures, the composite personal digital signature, and/or the composite common digital signature from the storage module.

9 . The electronic signature management method according to claim 3 , wherein

for the composite personal digital signature, if a first portion of the plurality of digital certificates is sealed up and a second portion thereof is opened for consent in an application layer, this indicates that people in the first portion do not consent and people in the second portion consent; and if all the plurality of digital certificates are opened for consent in the application layer, this indicates that all the people in the first portion and in the second portion consent;

for the composite common digital signature, if a first portion of the plurality of digital certificates is sealed up and a second portion thereof is opened for consent in an application layer, this indicates that people in the first portion do not consent and people in the second portion consent; if all the plurality of digital certificates are opened for consent in the application layer, this indicates that all people in the first portion and in the second portion consent; if a third portion of the plurality of pieces of certificate information is sealed up and a fourth portion thereof is opened for consent in the application layer, this indicates that certificate information in the third portion is not valid and certificate information in the fourth portion is valid; and if all the certificate information are opened for consent in the application layer, this indicates that all the certificate information are valid.