Method for authenticating payment data, corresponding devices and programs
US10922679B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 30, 2017 |
| Grant date | Feb 16, 2021 |
| Priority date | — |
| Expiry date | Jun 30, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/72
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
A method for authenticating data, implemented during a payment transaction between a merchant's communications terminal and a user device of the type including authentication by the communications terminal of at least one message generated by the user device, by using near field communications wireless data. The method includes the following acts by the user's device: obtaining an authentication code from the message, a piece of random data and a hash function; obtaining a first signature component from the message, the random piece of data, a public key of the communications terminal, a first private key of the user device and the authentication code; obtaining a second signature component from the message, the random piece of data, the public key of the communications terminal, a second private key of the user device and the authentication code; and transmitting the authentication code and of the two signature components to the communications terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.