发明名称 RECORDING MEDIUM RECORDING CONTENTS, DIGITAL DATA RECORDER, DIGITAL DATA REPRODUCER, CONTENTS PACKAGING DEVICE GENERATING PACKAGE, CONTENTS REPRODUCER, COMPUTER READABLE RECORDING MEDIUM, RECORDING METHOD, REPRODUCING METHOD, PACKAGING METHOD AND SYSTEM TRANSPORT STREAM PROCESSOR CONSISTING OF CONTENTS PACKAGING DEVICE AND CONTENTS REPRODUCER
摘要 PROBLEM TO BE SOLVED: To provide a recording medium by which, to a consumer having purchased music contents, music contents relating to the music contents one sold at low cost and readily even when an infrastructure to realize electronic music distribution is not arranged. SOLUTION: A recording medium records contents of purpose of sale and also records super distribution contents 10 that are encrypted on the basis of the block encryption method. A super distribution header 9 given to the super distribution contents 10 is encrypted on the basis of the encryption method that is an application of a public key and includes a decoding key 13 to decode the encryption of the block encryption method. In the case that the recording medium is loaded to a device connected to a communication channel, the encryption method that is an application of the public key can be decoded by the device and the decoding of the encryption is attended with charging through the communication channel.
申请公布号 JP2000196585(A) 申请公布日期 2000.07.14
申请号 JP19990287365 申请日期 1999.10.07
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 TAGAWA KENJI;MINAMI MASANAO;KOZUKA MASAYUKI;AOYAMA SHOICHI;TOKUDA KATSUMI;HIRATA NOBORU
分类号 G11B20/10;G06F21/24;G10K15/02;G11B19/02;G11B19/04;H04L9/14 主分类号 G11B20/10
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