Patent ID: 11909727
Assignee: VISA INTERNATIONAL SERVICE ASSOCIATION
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC G  H

Claim 16:
17. A system of supporting secure communication between an origin device lacking a trusted zone and a server by using an enabler device with trusted zone support, the system comprising:
the origin device is void of a storage unit for storing data needed for the trusted zone support;
the enabler device having the trusted zone support;
wherein the origin device is configured to receive a message content corresponding to a communication process with the server;
wherein the origin device is configured to send the message content to the enabler device;
wherein the enabler device is configured to receive a token generated at a token service provider;
wherein the enabler device is configured to generate a cryptogram corresponding to the token, the message content, or a combination thereof;
wherein the enabler device is configured to encrypt the token and the cryptogram;
wherein the enabler device is configured to send the encrypted token and the cryptogram to the origin device;
wherein the origin device is configured to send the encrypted token and cryptogram to the server; and
wherein the origin device is configured to receive an acknowledgement that the token and cryptogram have been successfully processed at the server.