Trusted authentication of automotive microcontroller

This invention describes a way to securely identify a computer chip inside a car. Each chip has a unique ID and its own secret digital key. To prove it's real, the chip stores a special digital signature of its ID and its public key, both verified by a trusted external authority. A separate system in the car then uses the external authority's public key, often stored in a tamper-resistant device, to confirm the chip's identity and its public key are genuine.

Why it matters: Since 2019, the push for trusted computing platforms and secure boot in critical embedded systems, particularly automotive, has intensified significantly. This invention's focus on a tamper-resistant root of trust for microcontroller authentication directly addresses the heightened regulatory and industry demands for verifiable component security.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedCustom silicon, cryptographic software, tamper-resistant hardware

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