Authentication system and device including physical unclonable function and threshold cryptography

An authentication system and device including physical unclonable function (PUF) and threshold cryptography comprising: a PUF device having a PUF input and a PUF output and constructed to generate, in response to the input of a challenge, an output value characteristic to the PUF and the challenge;...

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1. Verfasser: Wallrabenstein, John Ross
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creator Wallrabenstein, John Ross
description An authentication system and device including physical unclonable function (PUF) and threshold cryptography comprising: a PUF device having a PUF input and a PUF output and constructed to generate, in response to the input of a challenge, an output value characteristic to the PUF and the challenge; and a processor having a processor input that is connected to the PUF output, and having a processor output connected to the PUF input, the processor configured to: control the issuance of challenges to the PUF input via the processor output, receive output from the PUF output, combine multiple received PUF output values each corresponding to a share of a private key or secret, and perform threshold cryptographic operations. The system and device may be configured so that shares are refreshable, and may be configured to perform staggered share refreshing.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title Authentication system and device including physical unclonable function and threshold cryptography
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