| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an information processor and an information processing method that achieve synchronization of encryption-key information held by a plurality of copyright protection devices. <P>SOLUTION: A computer 1 has three digital tuners C1-C3, three copyright protection devices R1-R3 respectively holding each encryption-key information of digital broadcasts, and a copyright-protection-device control part for controlling processing regarding the encryption-key information of the respective copyright protection devices R1-R3. The copyright protection devices R1-R3 transmit broadcast-wave information obtained through the digital tuners C1-C3 to the copyright-protection-device control part. The copyright-protection-device control part simultaneously transmits the encryption-key information, included in the broadcast-wave information received from any one of the copyright protection devices R1-R3, to all of the respective copyright protection devices R1-R3. <P>COPYRIGHT: (C)2009,JPO&INPIT |
