| 摘要 |
The present invention relates to a data authentication method, device and system, and a computer storage medium. The method comprises: (302) performing separation processing on a data image electronic certificate to obtain a digital signature and an image having an embedded key; (304) performing signature identity authentication according to the digital signature; (306) after the signature identity authentication has been passed, performing data checking according to the image having the embedded key; (310) after the data checking has been passed, extracting the key from within the image having the embedded key; (312) querying data according to the key, and obtaining data of each state of each party in an e-commerce transaction. In the data authentication method, device and system, and the computer storage medium, separation processing is performed on the data image electronic certificate to obtain the digital signature and the image having the embedded key, identity authentication is performed via the digital signature to ensure the validity of the data image electronic certificate, data checking is performed on the image having the embedded key, the data is prevented from being tampered with, and the security of the data is improved. |
