US 12,380,426 B2
Method of operating payment device for selectively enabling payment function according to validity of host
Joong Chul Yoon, Seoul (KR)
Assigned to Samsung Electronics Co., Ltd., Gyeonggi-Do (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Jul. 20, 2023, as Appl. No. 18/355,471.
Application 18/355,471 is a continuation of application No. 17/078,600, filed on Oct. 23, 2020, granted, now 11,763,289.
Application 17/078,600 is a continuation of application No. 15/254,175, filed on Sep. 1, 2016, granted, now 10,853,790, issued on Dec. 1, 2020.
Claims priority of application No. 10-2015-0137063 (KR), filed on Sep. 25, 2015.
Prior Publication US 2023/0368178 A1, Nov. 16, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G06Q 20/32 (2012.01); G06Q 20/38 (2012.01); G06Q 20/40 (2012.01)
CPC G06Q 20/3278 (2013.01) [G06Q 20/3226 (2013.01); G06Q 20/3227 (2013.01); G06Q 20/3229 (2013.01); G06Q 20/3829 (2013.01); G06Q 20/405 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A method of operating a payment module configured to communicate with a near field communication controller (NFCC), the method comprising:
receiving, using the payment module, an initialization message from the NFCC;
generating, using the payment module, unique data in response to the initialization message and sending the unique data to the NFCC;
receiving, using the payment module, signature data and verification data from the NFCC, the signature data based on the unique data and the verification data indicating validity of a host;
verifying, using the payment module, the signature data; and
selectively enabling, using the payment module, a payment function of the payment module according to a verification result of the signature data.