Patent · US Active

Security device and methods of operating a security device

US12339975B2 · kind B2 · utility

0Cited by

4References

25Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Joerg Syassen · Otterfing, DE
Avni Bildhaiya · Deisenhofen, DE
Andreas Graefe · Bückeburg, DE
Albrecht Mayer · Deisenhofen, DE
Manuela Meier · Munich, DE
Viola Rieger · Munich, DE

Key dates

Filing date	Mar 22, 2022
Grant date	Jun 24, 2025
Priority date	—
Expiry date	Mar 10, 2043

Classification

Technology area (CPC G)Physics
CPC primaryG06F21/70
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A device includes a safety domain having a processing unit and a memory and is configured to provide at least one functionality and to implement one more safety measures for detecting faults. The safety domain is configured to transmit at least one alarm signal indicating one or more detected errors in response to detecting the faults. The device further includes a security domain having a processing unit and a memory and is configured to provide cryptographic services and to obtain alarm signals. The security domain is configured to perform security-related operations in a secure state in response to obtaining an alarm signal from the safety domain.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.