Method and apparatus for protecting ongoing system integrity of a software product using digital signatures
US7093132B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2001 |
| Grant date | Aug 15, 2006 |
| Priority date | — |
| Expiry date | May 17, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2101
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method, apparatus and computer program product are provided for protecting ongoing system integrity of a software product using digital signatures. A core product load manifest for protecting ongoing system integrity of a software product having a plurality of pieces includes a manifest header including header attributes of the software product. A list of a plurality of manifest items is stored with the manifest header. Each manifest item identifies a corresponding piece of the software product. Each manifest item includes at least one attribute. A manifest digital signature is stored with the manifest header. The manifest header, the header attributes, each of the plurality of items, and each item attribute are included in the manifest digital signature. A digital signature is computed for each signable piece of the software product and is stored with the piece of the software product. The digital signature of each signed software product piece is excluded from the core product load manifest. An amended manifest is created for identifying added and deleted pieces of the software product and is chained to the core product load manifest. Each signable, added item in the amended ma…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.