Attestation using both fixed token and portable token
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United States of America Patent
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Jan 8, 2008
Grant Date -
Jun 17, 2004
app pub date -
Dec 16, 2002
filing date -
Dec 16, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Methods, apparatus and machine readable medium are described for creating and using protected key blobs that require a particular portable token be present before use of the key or keys of the protected key blob is granted. Such protected key blobs may be used to establish a level of trust between a local user and the computing device.
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