Stand alone security device for computer networks
US6067620A · kind A · utility
100Cited by
6References
23Claims
0Family size
Inventors
Key dates
| Filing date | May 28, 1998 |
| Grant date | May 23, 2000 |
| Priority date | — |
| Expiry date | May 28, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2211/005
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A secured network interface unit (SNIU) for providing multi-level security on a network having a plurality of secured and unsecured users including: network interface means for communicating on the network; identifying the source and destination of a message intercepted on the network; determining the security levels of each of the plurality of users; a trusted computing base for determining whether the message, if transmitted to the destination user, will violate security parameters; and, cryptographically encrypting messages sent to, and decrypting messages received from another SNIU affiliated with the destination user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.