Information reproduction device and method of providing content

A method for providing content with use of an information reproduction device that is capable of reproducing information, said method comprising the steps of:

• (a) notifying a content providing device, having a plurality of pieces of content, of (i) content identification information, which is unrewritable arbitrarily by a user, for identifying first content and (ii) receiving device identification information, which is unrewritable arbitrarily by a user, for identifying a receiving device that receives second content relevant to the first content;
• (b) acquiring the content identification information from a portable content recording medium having a region unrewritable arbitrarily by the user on which region the first content and the content identification information are recorded;
• (c) acquiring the receiving device identification information;
• and
• (d) preventing the second content, which is specified based on the content identification information and the receiving device identification information, from being illegally copied onto a receiving device other than the receiving device identified by the receiving device identification information.

An information reproduction device that is capable of reproducing information, comprising:

• an information notification section for notifying a content providing device, having a plurality of pieces of content, of (i) content identification information, which is unrewritable arbitrarily by a user, for identifying first content and (ii) receiving device identification information, which is unrewritable arbitrarily by a user, for identifying a receiving device that receives second content relevant to the first content;
• a content identification information acquiring section for acquiring the content identification information;
• a receiving device identification information acquiring section for acquiring the receiving device identification information from a content recording medium;
• and
• an illegal copying prevention section for preventing the second content, which is specified based on the content identification information and the receiving device identification information, from being illegally copied onto a receiving device other than the receiving device identified by the receiving device identification information,
• as the content identification information acquiring section, a content recording medium reproducing section being provided which is capable of reproducing the content recording medium, which is portable by a user and has a region unrewritable arbitrarily by the user on which region the first content and the content identification information are recorded.