Working toward automotive security, Samsung has produced a ‘physically unclonable function’ (PUF) for secure crypto key generation. PUFs are blocks within chips whose characteristics only manifest when powered. They are inherently and unpredictably randomised by process variation as they are made, in a way that makes each chip uncontrollably unique, but once manufactured the characteristic ...

This story continues at ISSCC 2020: Secure chip will not make a mistake in your lifetime, probably

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