• Computer Science
  • Published 1994

System and method to make sure the software carrier

  title={System and method to make sure the software carrier},
  author={オストローヴァー、ルイス・エス and クックソン、クリストファー・ジェイ},
(57) [summary] disk reproducing apparatus that only authorized disc does not play. Including data blocks in the lead-in section of the disk that contains the data related to the content, predetermined data blocks authorization code is processed is guided. Authorization code uses the private key of a public key cryptosystem pair, it is stored on the disc in encrypted form. Reproducing apparatus directs the calculated code to process the same disk data. Reproducing apparatus also uses the… CONTINUE READING

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