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Fully-integrated 256-bit Physically Unclonable Function (PUF) with embedded reliability check
The Physical Unclonable Function (PUF) acts as a device fingerprint: it exploits the random variations of the process parameters to generate a per chip unique value; these variations being unpredictable, so are the generated values. PUFs are, by nature, impossible to clone, hardened against reverse-engineering and remarkably resistant to invasive attacks.
The main challenge with PUF is to ensure repeatability across voltage, temperature and aging. Based on a recently patented principle, Invia’s PUF is stable enough to generate cryptographic keys, thus guarantying ultimate physical protection, while maintaining area and power overheads to unmatched levels.
The main challenge with PUF is to ensure repeatability across voltage, temperature and aging. Based on a recently patented principle, Invia’s PUF is stable enough to generate cryptographic keys, thus guarantying ultimate physical protection, while maintaining area and power overheads to unmatched levels.
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