Apparatus and method for forgery prevention of digital information
US11469881B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2019 |
| Grant date | Oct 11, 2022 |
| Priority date | — |
| Expiry date | Mar 24, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3278
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Provided are an apparatus and method for forgery prevention of digital information. The apparatus for forgery prevention of digital information includes: a digital information obtaining unit configured to obtain digital information in real time; a seed value generator configured to generate a seed value carrying characteristics of the digital information obtained using the digital information obtaining unit; an information piece generator configured to divide the digital information obtained using the digital information obtaining unit, into continuous information pieces with a sequence; and a hash value generator configured to generate a hash value of a first information piece from the seed value and the first information piece and generate a hash value of a subsequent information piece by using a hash value of a previous information piece and the subsequent information piece as inputs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.