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United States of America Patent
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May 25, 2010
Grant Date -
Aug 24, 2006
app pub date -
Feb 22, 2005
filing date -
Feb 22, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
Key-limited use applications are maintained at a central service where the central service can receive requests from a remote computing device for access to the key-limited use applications. The key-limited use applications include publicly available portions and a locked portions accessible with a key. The central service can provide a key to the remote computing device associated with a key-limited use application for complete access. The key can be stored in a memory device associated with the remote computing device. A digital signature can be assigned to the key to prevent operation of the key in a second computing device. Unauthorized or unlicensed computing devices are prevented from using the applications.
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