Subversion resilient attestation for trusted execution environments
US11361069B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Aug 13, 2019 |
| Grant date | Jun 14, 2022 |
| Priority date | — |
| Expiry date | Jan 28, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/42
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A computer-implemented method includes receiving an original message from a trusted execution environment. The original message includes an original digital signature authored by the trusted execution environment. The method includes computing a proof of knowledge for the original digital signature and modifying the original message by replacing the original digital signature with the proof of knowledge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.