The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 26, 2019
Filed:
Nov. 05, 2010
Tsuyoshi Komiyama, Kanagawa, JP;
Tsuyoshi Komiyama, Kanagawa, JP;
NEC Platforms, Ltd., Kawasaki-shi, Kanagawa, JP;
Abstract
There is provided a handy terminal in which inputting of an application program and of a PIN is executed and a keyboard and a display device are commonly used thus security is secured with a simple system. A card reader control programin the keyboard unit memorydetects an insertion state of a credit card and notifies a detected key code from the keyboard control programto a payment program on the main board. A main CPUcalculates a program hash value provided to the payment program and a program hash value at the time of execution of a payment programand encrypts and decrypts these hash values using a secret key, encrypted key, and public key so that these hash values are not stolen. The main CPUcompares the program hash value provided to the payment programwith the program hash value to be used at the time of the execution of the payment program