Patent ID: 11915226
Assignee: 7-ELEVEN, INC.
Field: IT methods for management (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 6:
7. A validation method comprising:
receiving, by a server, location information for a mobile device;
determining, by the server, that the received location information for the mobile device matches location information linked with a registered location of a validation terminal;
identifying, by the server, a private key linked with the registered location where the mobile device is located;
generating, by the server, a barcode based at least in part upon transaction information associated with products in a digital cart;
encrypting, by the server, the barcode using the private key;
providing, by the server, the encrypted barcode to the mobile device;
storing, by the validation terminal, a public key that is paired with the private key wherein the private key is further linked with the registered location of the validation terminal;
scanning, by the validation terminal, an encrypted barcode using a barcode reader of the validation terminal;
detecting, by the validation terminal, an encrypted barcode that was scanned by the barcode reader from a mobile device that is located at the registered location of the validation terminal;
decrypting the encrypted barcode using the public key; and
indicating the transaction is valid in response to decrypting the encrypted barcode using the public key.