This is the specifications for the archive file which is handled by the Game Extractor plugin Archive_DFU.

Endian Order:Little Endian
Compression:ZLib
Encryption:None


This format is used by the following Games:
Enter The Matrix [PS2]*.dfu


This is the format specification information:
 
// HEADER
  4 - Number of Files
  4 - Unknown
  4 - Unknown
  4 - Unknown
  4 - Unknown
  4 - Unknown (32)
 
// DETAILS DIRECTORY
  // for each file
    4 - Hash
    4 - Compressed File Length (not including null padding)
    4 - File Offset (relative to the start of the File Data)
    4 - Decompressed File Length?

 X - null Padding to a multiple of 2048? bytes
    
// FILE DATA
  // for each file
    X - File Data
    X - null Padding to a multiple of 2048? bytes


These are the accompanying notes and further information:
 
Uses ZLib Compression on some files
If the offset is greater than the length of the main archive WAD1.DFU, the offset points into the secondary archive WAD1_B.DFU


Game Extractor is able to read files of this type, as well as files from thousands of other games. To give it a try, download Game Extractor (Basic Version) for free, and see what it can do.

For further information on this format, refer to the source code on our GitHub repository.