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DIGITAL BROADCASTING SIGNAL RECORDING AND REPRODUCING APPARATUS, DIGITAL BROADCASTING SIGNAL RECORDING AND REPRODUCING METHOD, DIGITAL BROADCASTING SIGNAL RECORDING APPARATUS, DIGITAL BROADCASTING SIGNAL RECORDING METHOD, DIGITAL INFORMATION RECORDING AND REPRODUCING APPARATUS, DIGITAL INFORMATION RECORDING AND REPRODUCING METHOD, DIGITAL INFORMATION RECORDING APPARATUS AND DIGITAL INFORMATION RECORDING METHOD
DIGITAL BROADCASTING SIGNAL RECORDING AND REPRODUCING APPARATUS, DIGITAL BROADCASTING SIGNAL RECORDING AND REPRODUCING METHOD, DIGITAL BROADCASTING SIGNAL RECORDING APPARATUS, DIGITAL BROADCASTING SIGNAL RECORDING METHOD, DIGITAL INFORMATION RECORDING AND REPRODUCING APPARATUS, DIGITAL INFORMATION RECORDING AND REPRODUCING METHOD, DIGITAL INFORMATION RECORDING APPARATUS AND DIGITAL INFORMATION RECORDING METHOD
PROBLEM TO BE SOLVED: To provide a recording apparatus capable of protecting a copyright of a digital signal on a recording medium, and to provide a reproducing apparatus and a recording medium.;SOLUTION: In the digital signal recording apparatus and reproducing apparatus for recording or reproducing the digital signal on the recording medium, and a recording medium, when recording, a digital signal is encrypted with a key obtained by performing a predetermined arithmetic operation on key information and recorded in the recording medium together with the key information, and when reproducing, the reproduced digital signal is decrypted with the key obtained by performing the predetermined arithmetic operation on the key information reproduced from the recording medium, and output.;COPYRIGHT: (C)2012,JPO&INPIT
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