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Data recording/reproducing device and saved data processing method, and program proving medium

  • US 20020154779A1
  • Filed: 12/17/2001
  • Published: 10/24/2002
  • Est. Priority Date: 01/26/2000
  • Status: Abandoned Application
First Claim
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1. A data record reproducing player characterized by the capability of executing reproduction of a program content;

  • comprising;

    a recording device to record save data of said program content;

    an encryption processing unit to execute an encryption process on save data to be stored in said recording device and a decryption process on said save data to reproduce, retrieved from said recording device;

    input means to enter use restriction information on save data; and

    a control unit to determine an encryption processing method or a decryption processing method for save data, wherein said control unit comprises a structure to determine an encryption processing method for save data to be stored in said recording device following use restriction information input from said input means, and to determine a decryption processing method for save data to reproduce, retrieved from said recording device, according to save data use restriction information set up in a data management file stored in a memory or a recording device said control unit can access, and wherein said encryption processing unit comprises a structure to execute encryption processing or decryption processing on save data with the use of different encryption keys suitable to an encryption processing method or a decryption processing method determined by said control unit.

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