Invention Grant
US07975148B2 Information recording medium reproducing method, information recording medium, reproducing apparatus and information medium managing method 有权
信息记录介质再现方法,信息记录介质,再现装置和信息介质管理方法

Information recording medium reproducing method, information recording medium, reproducing apparatus and information medium managing method
Abstract:
In an information recording medium reproducing method, an information recording medium, a reproducing apparatus and an information recording medium managing method, a predetermined server is accessed on the basis of an address recorded in an information recording medium to issue key data from the server, and encrypted data recorded in the information recording medium are decrypted with the key data thus issued.
Information query
Patent Agency Ranking
0/0