Apparatus and method for cryptographic-based license management
US6557105B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1999 |
| Grant date | Apr 29, 2003 |
| Priority date | — |
| Expiry date | Apr 14, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/105
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Embodiments of the present invention provide a cryptographic-based license management device comprising a license authority configured to generate a license in response to a product option request; an interface module having a plurality of product options that may be selectively enabled in response to a valid license issued by the license authority; a non-volatile memory associated with the interface module, the non-volatile memory module containing a programmable verification component for determining the authenticity of the license; and a license verification module associated with the interface module, the license verification module configured to verify the authenticity of a license using the programmable verification component contained within the non-volatile memory and enable selected product options provided the license is verified by the license verification module.Another feature of the present invention provides a method for cryptographic-based license management, the method comprising, generating a license in response to a product option request, the product option request identifying selected product options associated with an interface module; applying a digital signa…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.