Data file authentication device
US6167516A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Nov 25, 1997 |
| Grant date | Dec 26, 2000 |
| Priority date | — |
| Expiry date | Nov 25, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3247
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A device receives at one input (2) data of a file to be processed, and includes a processing module (5) which at the start of receiving the file, react by three operative stages. These stages include first stage of inserting data blocks from the file into a source memory (MS), after transformation, a second continuous stage of processing each data block of the file, transformed and inserted into the source memory (MS), and a third stage of generating a signature from the transformed, inserted and processed blocks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.