Method and system for the secure distribution of compressed digital texts
US7925012B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2005 |
| Grant date | Apr 12, 2011 |
| Priority date | — |
| Expiry date | Sep 12, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/6209
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A process for the secure distribution of compressed digital texts formed by blocks of binary data stemming from digital transformations applied to an original text, and including two stages: a preparatory stage including modifying at least one binary data in one of the blocks according to at least one substitution operation including extraction of the binary data in a block and its replacement by a decoy, and a transmission stage of a modified compressed digital text in conformity with the format of the original text, constituted of blocks modified during the course of the preparatory stage, and by a separate path of the modified compressed digital text, of digital complementary information permitting reconstitution of the original compressed digital text on the equipment of the addressee from the modified compressed digital text and from the complementary information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.