发明名称 Data recording apparatus and method and data reproducing apparatus and method
摘要 A recording method for a recording medium, wherein an encrypting process is executed to inputted contents data by using either key data, which becomes key data only for use of the recording medium by being recorded, or by using fixed value data. When an encoding process is executed to the encryption-processed data, if the key data which becomes the key data only for use of the recording medium by being recorded, is used at the time of the encrypting process, that key data is embedded, and the encoding-processed data is recorded onto the recording medium.
申请公布号 US7594123(B2) 申请公布日期 2009.09.22
申请号 US20030380733 申请日期 2003.03.17
申请人 SONY CORPORATION 发明人 SAKO YOICHIRO;INOKUCHI TATSUYA;FURUKAWA SHUNSUKE
分类号 G06F11/30;H04N5/91;G06F11/14;G11B20/00;G11B20/10;H04L9/08;H04L9/14 主分类号 G06F11/30
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