Proof of image authentication on a blockchain
US10361866B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 13, 2018 |
| Grant date | Jul 23, 2019 |
| Priority date | — |
| Expiry date | Aug 13, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/50
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Disclosed is improved technology for authenticating electronic images and storing proof of tampering or non-tampering on the blockchain. An image authentication application of a user device may generate an image. The user device may generate an image hash of the image using a hash function. The image hash may be written to the blockchain. This may occur immediately after the image has been taken. The user device may upload the image to an authentication server, which authenticates the image. At various times, such as after receipt, during authentication, and/or after authentication, the authentication server may generate an image hash of the image using the hash function. The authentication server may write the image hash(es) to the blockchain. As such, a state of the image at various times may be recorded on the blockchain to determine whether or not the image has been tampered with between various times.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.