Comparing encrypted documents having structured data
US8726151B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 9, 2010 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | Dec 4, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F40/194
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure is directed to comparing a first structured data document to a second structured data document, including receiving the first and second structured data documents as first and second encrypted documents, respectively, comparing nodes of the first encrypted document to nodes of the second encrypted document, a content and a location of each of the nodes remaining confidential during the comparing, generating matched pairs of nodes based on the comparing, and storing the matched pairs in computer memory, each matched pair comprising a node of the first encrypted document and a corresponding node of the second encrypted document, determining one or more edit operations based on the matched pairs, and generating an edit script comprising the one or more edit operations, the edit script being executable to transform the first encrypted document to provide a transformed encrypted document that is isomorphic to the second encrypted document.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.