Method for authenticating payment data, corresponding devices and programs
US11972419B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 30, 2017 |
| Grant date | Apr 30, 2024 |
| Priority date | — |
| Expiry date | Oct 16, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/0825
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
A method for authenticating at least one piece of data during a payment transaction taking place between a merchant's communications terminal and a user device of the type including transmission, by the communications terminal, of at least one piece of data to be signed, to the user device by using a near field communications wireless data link. The method includes: obtaining the piece of data to be signed; obtaining an identifier of the communications terminal; signing, within a secured processing unit of the communications terminal, by using a key of the communications terminal, the piece of data to be signed and the identifier of the communications terminal, delivering signed pieces of data; transmission of the signed pieces of data to the user device; and reception, from the user device, of a piece of encrypted data establishing the authentication of the signed pieces of data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.