rvthtool/README.md

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# RVT-H Tool
This is an open-source tool for managing RVT-H Reader consoles.
[![License: GPL v2](https://img.shields.io/badge/License-GPL%20v2-blue.svg)](https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html)<br>
[![AppVeyor Build status](https://ci.appveyor.com/api/projects/status/l83tx6d16gqr4ov2?svg=true)](https://ci.appveyor.com/project/GerbilSoft/rvthtool/branch/master)
![RVT-H Reader, RVT-R Reader, Wii RVL-001, and Commodore 1541C](doc/RVT.jpg)
## Current Features
New in v2.0:
* A graphical UI frontend using the Qt Toolkit is now included.
* New command line tools `wadresign` and `nusresign` for re-signing
Wii WADs and Wii U NUS packages, respectively.
Other features:
* Lists all disc images currently installed on the RVT-H system.
* Can find "deleted" images that aren't accessible on the RVT-H but are still
present on the HDD, and has an option to undelete these images.
* Can undelete any image deleted by rvtwriter, which only clears the
bank table entry.
* Can undelete Wii images that were "flushed" using the front-panel button.
* GameCube images deleted this way cannot currently be undeleted.
* Extracts disc images from an RVT-H system or HDD image into a GCM file.
* Supports optional recryption to convert a debug-encrypted image to retail
encryption with fake-signed ticket and TMD.
* Signature verification for all Wii disc images. Indicates if the signature
is valid, invalid, or fakesigned. (Game partition only at the moment.)
* Installation of GameCube and Wii disc images onto an RVT-H system. If
importing a retail Wii disc image, it will automatically be re-signed and
re-encrypted using the debug keys. (Update partitions will be removed, since
retail updates won't work properly on RVT-H.)
* Supported image formats: GCM, headered GCM, CISO, WBFS
* Split WBFS is not currently supported. Combine the .wbfs and .wbfs1 files
before processing.
* Standalone disc image re-signing to convert e.g. retail to debug, debug
to retail, unencrypted to debug, etc. Conversion to retail will result
in a fakesigned image.
* Querying all available RVT-H Reader devices to determine which device name
is associated with which reader.
* Converting unencrypted debug-signed disc images to retail fake-signed and
debug-encrypted debug-signed.
## Planned Features
* Extend the bank table to support more than 8 banks. Requires an RVT-H Reader
with an HDD larger than 40 GB.
* Bank 1 will be relocated to before the bank table, limiting it to GameCube
images.
## Usage
The following commands assume `/dev/sdb` is the RVT-H device.
Full unencrypted RVT-H disk image dumps taken from the front-panel USB port
and by dumping the drive directly are also supported.
Direct device access on Windows is possible by specifying `\\.\PhysicalDriveN`,
where N is the physical disk number. Disk Management will show the physical disk
number in the bottom pane.
**WARNING:** Disk Management will prompt to initialize the RVT-H device. DO NOT
ALLOW IT TO INITIALIZE THE DRIVE; this may cause data loss.
The following commands assume `/dev/sdb` is the RVT-H Reader, and will
extract bank 1.
* List disc images:
* `$ sudo ./rvthtool list /dev/sdb`
* Extract a bank with no modifications:
* `$ sudo ./rvthtool extract /dev/sdb 1 disc.gcm`
* Extract a bank and convert to retail fakesigned encryption:
* `$ sudo ./rvthtool extract --recrypt=retail /dev/sdb 1 disc.gcm`
* Delete a bank:
* `$ sudo ./rvthtool delete /dev/sdb 1`
* NOTE: This will only clear the bank table entry.
* Undelete a bank:
* `$ sudo ./rvthtool undelete /dev/sdb 1`
* Import a GameCube or Wii game:
* `$ sudo ./rvthtool import /dev/sdb 1 disc.gcm`
* If the game is retail-encrypted, it will be converted to debug encryption
and signed using the debug keys.
* Convert an RVT-R disc image to retail fakesigned:
* `$ ./rvthtool extract --recrypt=retail RVT-R.gcm RetailFakesigned.gcm`
* The bank number may be omitted if the source file is a standalone disc
image instead of an RVT-H HDD image or RVT-H Reader device.
* Query available RVT-H Readers:
```
$ ./rvthtool query
/dev/sdb
- Manufacturer: Nintendo Co., Ltd.
- Product Name: RVT-H READER
- Serial Number: 2000xxxxx
- HDD Firmware: 01.0
- HDD Vendor: WDC
- HDD Model: WD800BEVE-00UYT0
- HDD Size: 74.5 GB
```
## Encryption
The RVT-H's internal hard drive is not encrypted. This allows `rvthtool` to
operate on an RVT-H system that's connected directly using USB, as well as
disk image dumps from both the USB interface and from a direct HDD dump.
Disc images on the RVT-H may or may not be encrypted:
* GameCube: Not encrypted.
* Wii: May be encrypted using the RVT-R debug key, or not encrypted.
Debug-signed Wii disc images (with and without encryption) are playable on
the [Dolphin emulator](https://dolphin-emu.org/) with no changes. They can
also be used on retail consoles with a USB loader if the image is re-encrypted
and fakesigned using the retail encryption key.
### Note about Debug IOS
RVT-R disc images typically include debug versions of IOS. These will not
install on retail consoles, since they're encrypted with debug keys.
Do **NOT** attempt to install them by re-encrypting them with the retail
keys. Doing so will most likely result in a brick, especially if the 128 MB
mode IOS WADs are used.
## wadresign
This is a command line tool to resign WAD files to and from any Wii keyset.
Conversion to Debug will be realsigned. Conversion to retail or Korean will
be fakesigned.
In addition, this tool supports reading early devkit WADs, which makes it
possible to convert them to run on emulators and/or later devkits.
**WARNING:** Use with caution if converting a system title for installation
on real hardware, since this may result in an unrecoverable brick.
## nusresign
This is a command line tool to resign NUS/WUP packages for Wii U to and from
any Wii U keyset. Conversion to Debug will be realsigned. Conversion to retail
will be unsigned.
**WARNING:** Use with caution if converting a system title for installation
on real hardware, since this may result in a bricked system. Bricked Wii U
systems may be recoverable using [udpih + Recovery Menu](https://github.com/GaryOderNichts/udpih)
and/or [de_Fuse](https://github.com/StroopwafelCFW/wii_u_modchip).