Systems, methods and apparatuses for device attestation based on speed of computation
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United States of America Patent
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Jul 4, 2017
Issued Date -
N/A
app pub date -
Mar 11, 2014
filing date -
Mar 15, 2013
priority date (Note) -
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Abstract
The systems, methods and apparatuses described herein provide a computing device that is configured to attest itself to a communication partner. In one aspect, the computing device may comprise a communication port configured to receive an attestation request from the communication partner, and an application-specific integrated circuit (ASIC). The ASIC may be configured to receive the attestation request, which may include a nonce. The ASIC may be further configured to generate a verification value, capture data representing a state of computation of the ASIC when the verification value is being generated, and send the verification value and captured data to the communication port to be transmitted back to the communication partner. The verification value may be a computation result of a predefined function taking the nonce as an initial value. In another aspect, the communication partner may be configured to attest the computing device using speed of computation attestation.
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