Patent ID: 11863545
Assignee: VISA INTERNATIONAL SERVICE ASSOCIATION
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 2:
3. The computer-implemented method of claim 1, further comprising:
prior to the receiving by the registration authority computer from the token requestor computer the authorization request message, receiving, by the registration authority computer from the token requestor computer, a token provisioning request message comprising the token requestor ID, a digital signature generated by the token requestor computer using the token requestor ID, and information indicating that a message is the token provisioning request message;
transmitting, by the registration authority computer, the token provisioning request message to the certificate authority computer, wherein receiving the token provisioning request message causes the certificate authority computer to retrieve the public key of the token requestor ID and verify the digital signature using the public key;
in response to the digital signature being verified, receiving, by the registration authority computer from the certificate authority computer, a token response message comprising the first token issued to the token requestor and information indicating that a message is the token response message responsive to the token provisioning request message; and
transmitting the first token to the token requestor computer.