METHOD AND APPARATUS FOR MAINTAINING TRUSTED TIME AT A CLIENT COMPUTING DEVICE
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United States of America Patent
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Issued Date -
Apr 3, 2014
app pub date -
Sep 29, 2012
filing date -
Sep 29, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In accordance with disclosed embodiments, there are provided methods, systems, and apparatuses for maintaining trusted time at a client computing device including, for example, executing a computer program within a client device; initiating a call from the computer program to a secure time service of the client device requesting a trusted time stamp; retrieving, via the secure time service of the client device, a protected time from protected clock hardware of the client device; generating, at the secure time service of the client device, the trusted time stamp by signing the protected time retrieved from the protected clock hardware of the client device; and returning the trusted time stamp to the computer program. Other related embodiments are disclosed.
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