Method and apparatus for authorizing the holder of a portable object such as a card to gain access to at least one service provided by at least one authorizing entity
US4656342A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 21, 1986 |
| Grant date | Apr 7, 1987 |
| Priority date | — |
| Expiry date | Jan 21, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q20/355
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
The invention relates to a method and an apparatus for authorizing the holder of a portable object such as a card to gain access with this card to at least one service provided by at least one authorizing entity. According to the invention, the method enables the holder of a card C to become authorized to have access to a particular service by causing an authorizing datum to be written on his card C by an authorizing system T, causing the calculation by both the card C and the system of a result taking into account at least one secret datum S, comparing in a comparator CC of the card the results calculated, and validating the authorizing datum if the results are identical.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.