Fully Digital Physically Unclonable Function (PUF)
PUF Security IP is a secret key generation system based on Physically Unclonable Functions (PUF). The secret key is extracted by the PUF from the silicon by using its unique intrinsic properties caused by tiny manufacturing discrepancies: technological dispersions are amplified into digital signals (bits of information). The key generated by the PUF is not readable but extracted using a group of helper-data. This distinctive feature allows a real protection against the reverse-engineering techniques compared to traditional methods that store the key in non-volatile memory.
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Block Diagram of the Fully Digital Physically Unclonable Function (PUF)

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