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

Claim 0:
1. A method for touchless entry of a personal identification number (PIN) to a self-service terminal, the self-service terminal including an interface for communicating wirelessly with a mobile device, comprising:
reading a primary account number of a customer from a bank card of the customer via a card reader at the self-service terminal;
establishing a wireless communication channel directly between a mobile device of the customer and a wireless interface included within an encrypting PIN pad module at the self-service terminal by scanning for and locating an open PIN entry application on the mobile device of the customer after reading the primary account number of the customer from the bank card of the customer at the self-service terminal;
verifying a public key of the self-service terminal at the mobile device;
formatting a PIN for the customer into a PIN-block that does not include the primary account number for the customer;
encrypting only the PIN-block for the customer at the mobile device; and
transmitting only the encrypted PIN-block from the mobile device to the self-service terminal;
decrypting the encrypted PIN-block at the self-service terminal, and
wherein the mobile device of the customer never receives or stores the primary account number of the customer.