AUTHENTICATION OF CONTENT DOWNLOAD

摘要

According to the invention in Fig. 5, a method for authenticating downloaded of a number of digital content files [512] ordered from web site is disclosed. In one step, selection of the information, the digital content files [516], and first codes for each of the digital content files are sent to the client computer. The media information indicates a location of each of the number of digital content files [516]. A first code is calculated for each of the digital content files [516]. If the client computer determines that the first code doesn't match a second code for a particular digital content file [516], it is resent.