Systems and methods for message presentation using contactless cards
US12166892B2 · kind B2 · utility
0Cited by
248References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2022 |
| Grant date | Dec 10, 2024 |
| Priority date | — |
| Expiry date | Aug 31, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q2220/00
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Example embodiments of systems and methods for data transmission system between transmitting and receiving devices are provided. In an embodiment, each of the transmitting and receiving devices can contain a master key. The transmitting device can generate a diversified key using the master key, protect a counter value and encrypt data prior to transmitting to the receiving device, which can generate the diversified key based on the master key and can decrypt the data and validate the protected counter value using the diversified key.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.