Soft message signing
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United States of America Patent
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Mar 4, 2014
Grant Date -
Nov 15, 2012
app pub date -
May 9, 2011
filing date -
May 9, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A message is signed using a PUF without having to exactly regenerate a cryptographic key. Another party that shares information about the PUF is able to verify the signature to a high degree of accuracy (i.e., high probability of rejection of a forged signature and a low probably of false rejection of a true signature). In some examples, the information shared by a recipient of a message signature includes a parametric model of operational characteristics of the PUF used to form the signature.
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