Patent ID: 7650359

Claim:
A content reproduction apparatus comprising: a readout unit configured to read, from a recording medium which includes a specific area storing a specific server identifier and another area storing a content data item including a destination identifier used for server accessing while the content item is reproduced, the specific server identifier indicating a server allowed to be accessed while the content data item is reproduced; a table to store the specific server identifier read from the recording medium; a first certification unit configured to certify a server corresponding to the specific server identifier; a second certification unit configured to certify the content data item in the recording medium by use of a portion of the content data item with the another area, the portion being designated by the server being certified; a reproduction unit configured to reproduce the content data item stored in the recording medium, to occur a server access request including the destination identifier while reproducing the content data item; an acquiring unit configured to acquire the destination identifier when the server access is occurred; a determination unit configured to determine whether the destination identifier being acquired is equal to the specific identifier stored in the table; and an accessing unit configured to access to the server when the destination identifier being acquired is equal to the specific server identifier, and the server and the content data item in the recording medium are certified.