US 12,407,517 B2
Secure pin entry using a virtual terminal
Frank Andries van den Berg, San Jose, CA (US); Rahul Narayan Singh, Santa Clara, CA (US); Neilson Proulx-Marcil, Montreal (CA); Jean-Francois Riendeau, Granby (CA); and Mamta Devi, Montreal (CA)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Sep. 28, 2023, as Appl. No. 18/374,414.
Prior Publication US 2025/0112778 A1, Apr. 3, 2025
Int. Cl. H04L 9/32 (2006.01); G06F 21/72 (2013.01); H04L 9/08 (2006.01)
CPC H04L 9/3226 (2013.01) [G06F 21/72 (2013.01); H04L 9/0825 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
receiving, by a reader application of a user device, a personal identification number (PIN) request associated with an encrypted data transfer;
receiving, by the reader application, a first digit of a plurality of digits of the PIN;
overwriting, by the reader application, a memory location of a previously-stored digit of the plurality of digits by storing the first digit in the memory location;
generating, by the reader application, a first encrypted digit by encrypting the first digit with a public key;
transmitting, by the reader application, the first encrypted digit to a secure element of the user device;
decrypting, by the secure element, the plurality of digits of the PIN with a private key, wherein the private key is associated with the public key; and
generating, by the secure element, a PIN blob based at least in part on the plurality of digits of the PIN.