Decryption key management
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United States of America Patent
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May 14, 2013
Grant Date -
Jul 2, 2009
app pub date -
Jan 16, 2009
filing date -
May 25, 2005
priority date (Note) -
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Abstract
An encrypted program received in an MPEG transport stream is decrypted by receiving an address in the MPEG transport stream, reading a key from a memory in accordance with the received address, and decrypting the encrypted program based on the key.
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