Title:
BLOCKCHAIN-BASED ELECTRONIC SIGNATURE METHOD AND APPARATUS, AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/001103
Kind Code:
A1
Abstract:
A blockchain-based electronic signature method and apparatus, and an electronic device, the method comprising: receiving a target transaction initiated by a subscribed user by means of a client terminal; the target transaction is used for triggering an electronic signature operation on a target electronic document; and a CA certificate corresponding to the subscribed user is pre-stored in a blockchain (102); in response to the target transaction, invoking a smart contract corresponding to the electronic signature to execute an electronic signature program declared in the smart contract, and reading the CA certificate corresponding to the subscribed user in the block chain; and, on the basis of the CA certificate, implementing an electronic signature operation on the target electronic document (104).
Inventors:
DING WEI (CN)
LI ZHIGUO (CN)
LI ZHIGUO (CN)
Application Number:
PCT/CN2019/079885
Publication Date:
January 02, 2020
Filing Date:
March 27, 2019
Export Citation:
Assignee:
ALIBABA GROUP HOLDING LTD (CN)
International Classes:
G06Q20/38
Foreign References:
| CN108960825A | 2018-12-07 | |||
| CN106372941A | 2017-02-01 | |||
| CN107203368A | 2017-09-26 | |||
| CN105893042A | 2016-08-24 | |||
| CN107171794A | 2017-09-15 |
Attorney, Agent or Firm:
BEIJING BESTIPR INTELLECTUAL PROPERTY LAW CORPORATION (CN)
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