Systems, methods and apparatuses for secure time management
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United States of America Patent
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May 10, 2016
Issued Date -
N/A
app pub date -
Jun 18, 2013
filing date -
Jun 18, 2012
priority date (Note) -
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Abstract
The systems, methods and apparatuses described herein provide a computing environment that includes secure time management. An apparatus according to the present disclosure may comprise a non-volatile storage to store a synchronization time and a processor. The processor may be configured to generate a request for a current time, transmit the request to a trusted timekeeper, receive a digitally signed response containing a current, real-world time from the trusted timekeeper, verify the digital signature of the response, verify that the response is received within a predefined time, compare a nonce in the request to a nonce in the response, determine that the current, real-world time received from the trusted timekeeper is within a range of a current time calculated at the apparatus and update the synchronization time with the current, real-world time in the response.
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