| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an information processor capable of simultaneously reproducing a plurality of pieces of encrypted content data with a simple configuration while preventing hacking through a user access bus. <P>SOLUTION: The information processor 1 is provided with a data acquiring part 3 for acquiring and processing encrypted content data, and a data processing part 4 for acquiring the content data from the data acquiring part 3 through the user access bus 2 and reproducing the content data. The data acquiring part 3 comprises an IC card 7 for processing decryption data for decrypting content data, a plurality of control processors 9<SB>1</SB>and 9<SB>2</SB>for using the decryption data to decrypt the content data, and an arbiter arbitrating part 11<SB>1</SB>for exclusively allowing the respective control processors 9<SB>1</SB>and 9<SB>2</SB>to establish communication with the IC card 7. <P>COPYRIGHT: (C)2008,JPO&INPIT |
