DRM METHOD AND DRM SYSTEM USING TRUSTED PLATFORM MODULE
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United States of America Patent
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Issued Date -
Jun 18, 2009
app pub date -
Jul 14, 2008
filing date -
Dec 17, 2007
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a terminal apparatus including a trusted platform module (TPM) and a DRM method using the same. The terminal apparatus receives information on a validity period from a server, uses the TPM generates a public key including the information on the validity period, transmits the public key to the server, receives encoded digital contents from the server, and uses the TPM to decode the received digital contents.
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