Dynamic functional obfuscation
US11061997B2 · kind B2 · utility
1Cited by
11References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2017 |
| Grant date | Jul 13, 2021 |
| Priority date | — |
| Expiry date | Jul 25, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/16
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An apparatus includes a trigger generator and at least one multiplexer. The trigger generator is configured to generate a non-periodic trigger output. The at least one multiplexer is configured to output a valid control signal and an obfuscated control signal in response to a key value input. The obfuscated control signal is selectively set to one of a valid control signal and an invalid control signal based on the non-periodic trigger output.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.