Revocation method and apparatus for secure content
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United States of America Patent
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Mar 2, 2010
Grant Date -
Aug 7, 2003
app pub date -
Aug 27, 2001
filing date -
Aug 27, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method is provided for revoking a device. A method includes receiving a certificate from the device, the certificate including one or more of fields, at least one of the fields holding a signature, attempting to verify the signature, receiving a revocation list from a source, the revocation list identifying one or more data on the certificate as valid or invalid, the data including at least one of the fields of the certificate; and if one of one or more signatures identified unsuccessfully verified and one or more data is identified as invalid, preventing the transmission of a session key to the device, the session key being required to establish a secure communication channel.
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