| 摘要 |
<p>An image file format for storing digital evidence from computer storages and a recoding medium thereof are provided to enable a user to input variable additional information for image file freely by using metadata without the restriction of type or format of inner data. A file header unit(10) provides encryption algorithm information of an image file format structure, and a meta data unit(20) having a variable length provides an encryption related key value. Original data are recorded at a segment data unit(30). The segment data unit indicates the bad sector location inside the original data in bit map, and a file termination unit(40) provides the location information of the segment data unit.</p> |
