A tool for decrypting extdrm encrypted filesystems

extdrm utility

Usage:
  extdrm [command]

Available Commands:
  dump        Decrypt the contents of an extdrm encrypted filesystem
  help        Help about any command
  verify      Verify the integrity of a filesystem dump

Flags:
  -h, --help   help for extdrm

Use "extdrm [command] --help" for more information about a command.

To dump the contents of an encrypted filesystem, simply run extdrm dump SOURCE DESTINATION PRESET.

After a successful dump, you may perform a file check by running extdrm verify DESTINATION.

This repository includes several preset files responsible for controlling the decryption process. These preset files can be found under the presets directory.

List of included preset files and their respective games:

• presets/drs.json: DANCERUSH STARDOM
• presets/resident.json: beatmania IIDX 30 RESIDENT ~ current
• presets/vividwave.json: SOUND VOLTEX VIVID WAVE ~ current
• presets/around.json: DANCE aROUND

• presets/eac/bonga.json: Bombergirl
• presets/eac/ddr.json: DanceDanceRevolution GRAND PRIX
• presets/eac/gitadora.json: GITADORA
• presets/infinitas_2020.json: beatmania IIDX INFINITAS 2020
• presets/infinitas_2020_cache.json: beatmania IIDX INFINITAS 2020 (cache)
• presets/infinitas_2024.json: beatmania IIDX INFINITAS 2024
• presets/infinitas_2024_cache.json: beatmania IIDX INFINITAS 2024 (cache)
• presets/eac/nost.json: NOSTALGIA
• presets/eac/popn.json: pop'n music Lively
• presets/eac/sdvx.json: SOUND VOLTEX EXCEED GEAR