| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a novel data structure of game data.SOLUTION: A package file 214 has a data structure that includes a program file to be executed by a computer. The data structure comprises an image file 212 of game data that includes a plurality of files allocated with one or more blocks and contains metadata of each file, with metadata, containing at least signatures attached to each of the plurality of blocks constituting the image file 212, attached thereto in a metadata region 208. No signature is attached to blocks of files included in the image file 212.</p> |
