Method for safely transferring data and applications onto a chipcard
US6145080A · kind A · utility
2Cited by
11References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 30, 1997 |
| Grant date | Nov 7, 2000 |
| Priority date | — |
| Expiry date | Jun 30, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99939
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
A method is disclosed in a number of embodiments, which use an identifier to control and limit the operation of a command and/or security code to one or more subdomains, such as directories, of a file structure. In one embodiment, the identifier is allocated to the command or to the security code. In another embodiment, the identifier is allocated to the subdomain. The security code includes a cryptographic key or a password.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.