Digital file anti-forgery protection
US12355894B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2019 |
| Grant date | Jul 8, 2025 |
| Priority date | — |
| Expiry date | Nov 8, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/50
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The invention relates to securing of an original digital file against forgery and falsifying of its associated data, and particularly of data relating to its belonging to a specific batch of original digital files, while allowing offline or online checking of the authenticity of a secured digital file and conformity of its associated data with respect to that of a genuine original digital file. The invention is particularly useful for securing print-ready digital files.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.