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Super encrypted storage and retrieval of media programs with smartcard generated keys

  • US 7,804,958 B2
  • Filed: 08/01/2008
  • Issued: 09/28/2010
  • Est. Priority Date: 07/21/2000
  • Status: Expired due to Fees
First Claim
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1. An apparatus for storing program material for replay, comprising:

  • a receiver for accepting a data stream including data packets with program material encrypted according to a first encryption key and access control information which is contained within one or more control word packets that include an encrypted version of the first encryption key in the receiver;

    at least one processor, comprising;

    means for decrypting the received access control information in a conditional access module which is releaseably communicatively coupled to the receiver to produce the first encryption key;

    means for decrypting the program material using the first encryption key;

    means for re-encrypting the program material according to a second encryption key;

    means for encrypting the second encryption key according to a third encryption key to produce a fourth encryption key; and

    means for providing the re-encrypted program material and a fourth encryption key for storage.

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