| 摘要 |
PROBLEM TO BE SOLVED: To precisely specify an intermediary agent who takes charge of content distribution and a user. SOLUTION: In this invention, if a server 310 that manages license keys is requested for the issue of a license key from a n+1th user terminal 350, on condition that the server 310 has acquired (step 121), from the n+1th user terminal 350, the distribution record information for identifying the distribution channel for the content, the server 310 issues the license key (step 124) to the n+1th user terminal 350. |
