Data to hardware binding with physical unclonable functions
US9985792B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 22, 2016 |
| Grant date | May 29, 2018 |
| Priority date | — |
| Expiry date | Aug 19, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3247
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The various technologies presented herein relate to binding data (e.g., software) to hardware, wherein the hardware is to utilize the data. The generated binding can be utilized to detect whether at least one of the hardware or the data has been modified between an initial moment (enrollment) and a later moment (authentication). During enrollment, an enrollment value is generated that includes a signature of the data, a first response from a PUF located on the hardware, and a code word. During authentication, a second response from the PUF is utilized to authenticate any of the content in the enrollment value, and based upon the authentication, a determination can be made regarding whether the hardware and/or the data have been modified. If modification is detected then a mitigating operation can be performed, e.g., the hardware is prevented from utilizing the data. If no modification is detected, the data can be utilized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.