Patent ID: 11887120
Assignee: NCR ATLEOS CORPORATION
Field: Control (Instruments)
Classification: CPC G | IPC G

Claim 14:
15. A system for touchless entry of a personal identification number (PIN), comprising:
a mobile device of a customer, the mobile device including a PIN entry application, the PIN entry application never receiving or storing a primary account number of the customer;
a self-service terminal comprising a central processing unit, a display, a card reader, a PIN entry device having an encryption processor, and a wireless interface included within an encrypting PIN pad module for communicating wirelessly with the mobile device to receive only an encrypted PIN and not a primary account number;
wherein the PIN entry application is configured to verify a public key of the self-service terminal at the mobile device, format a PIN for the customer into a PIN-block that does not include a primary account number for the customer, encrypt only the PIN-block for the customer, and transmit only the encrypted PIN-block directly to the self-service terminal via the wireless interface on a wireless communication channel thereon established by scanning for and locating the PIN entry application on the mobile device of the customer after the primary account number of a customer is read from a bank card of the customer via a card reader at the self-service terminal; and
wherein the encryption processor is configured to decrypt the encrypted PIN-block.