Method for managing remote upgrading keys in an information security apparatus
US9100374B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2012 |
| Grant date | Aug 4, 2015 |
| Priority date | — |
| Expiry date | Jul 2, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/1441
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention discloses a method for managing remote upgrading keys in an information security apparatus. A remote source apparatus generates key disabling data according to a divulged remote upgrading key and sends the key disabling data to the information security apparatus, and the information security apparatus performs the disabling operation on the divulged remote upgrading key according to the received key disabling data. Using the method disclosed in the present invention can prevent the information security apparatus from being maliciously attacked by malicious attackers by using the divulged remote upgrading key and through the remote upgrading process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.