System and method for restricting access to a terminal
US8108317B2 · kind B2 · utility
4Cited by
5References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 13, 2005 |
| Grant date | Jan 31, 2012 |
| Priority date | — |
| Expiry date | Oct 19, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/805
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for authenticating data comprising the steps of: providing data to a first device having at least two initial cryptographic keys; generating authentication information required to authenticate the data utilizing the at least two initial cryptographic keys; sending the data and authentication data to a second device having paired cryptographic keys wherein each paired cryptographic key is associated to one of the at least two initial cryptographic keys; and authenticating the data in the second device utilizing the paired cryptographic keys.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.