Installing and controlling trial software
US6654888B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 31, 1999 |
| Grant date | Nov 25, 2003 |
| Priority date | — |
| Expiry date | Dec 31, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/1063
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
According to one aspect of the invention, a method of creating a trial software product on a target system is provided. The method consists of intercepting file system calls from an installation process associated with a full software product and, responsive to a write request from the installation process, encrypting data associated with the write request if the write request is associated with one of a predetermined set of critical product files. The predetermined set of critical product files including those product files comprising the full software product that have been identified as files to which access is to be controlled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.