Technique for authenticating IC card and terminal
US4827113A · kind A · utility
283Cited by
11References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 10, 1985 |
| Grant date | May 2, 1989 |
| Priority date | — |
| Expiry date | Oct 10, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q20/4093
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
An IC card is placed on a card terminal main body, and an internal IC of the IC card is electrically connected to an electrical circuit in a terminal through a connector. Input data entered by a card holder at a keyboard and data read out from the IC card are encrypted in accordance with a predetermined encryption algorithm and are compared with each other. Authenticity of the card terminal and the IC card is determined in accordance with the comparison result.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.