Patent ID: 11941481
Assignee: TERRARA CODE RESEARCH INSTITUTE INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 12:
13. A method for reading the two-dimensional symbol according to claim 9 comprising:
an imaging step to capture an image of the two-dimensional symbol;
a decoding step to decode the first data, the electronic signature, and the public key ID that are recorded in the two-dimensional symbol on the basis of the image captured in the imaging step;
a certificate specifying step to specify the public key certificate on the basis of the public key ID read in the decoding step;
a verification step to verify the electronic signature read in the decoding step on the basis of the public key certificate; and
a data output step to output the first data read in the decoding step in the case where it is determined in the verification step that the electronic signature is normal.