Project CTR 3DS

Project CTR
General
Author	3DSGuy (jakcron)
Type	File Operation
Version	ctrtool 1.1.0, makerom 0.18.4
License	Mixed
Last Updated	2023/09/30
Links
ctrtool - makerom
Website
Source

Project CTR contains two homebrew tools that allows you to extract and rebuild 3DS files:

• ctrtool - A general purpose reading/extraction tool for 3DS file formats. Updated version of neimod's ctrtool.
• makerom - Creates CTR cxi/cfa/cci/cia files. You can learn more about it here.

User guide

CTRTool supported file formats:

• ExeFs (.exefs).
• RomFs (.romfs) (and RomFS wrapped in IVFC).
• NCCH Format Variants:
  • CTR Executable Image (.cxi).
  • CTR File Archive (.cfa).
  • CIP (.cip) (processes bundled with the kernel image).
• NCCH ExtendedHeader (.exhdr).
• CTR Importable Archive (.cia).
• NCSD Format Variants:
  • CTR Card Image (.cci/.3ds/.3dz).
  • CTR System Update (.csu).
• ES TitleMetaData (.tmd).
• ES eTicket (.tik).
• Firmware Images (.firm).
• CRR (.crr).

Screenshots

Changelog

CTRTool v1.1.0

• [BugFix] Honour plain flag (-p/--plain) when processing CIA content encryption

CTRTool v1.0.4

• [BugFix] Fixed bug where CCI CryptoType 1,2 weren't processed correctly when evaulating InitialData #116.

MakeROM v0.18.4

• [BugFix] Makerom no longer requires an ELF to have a data segment #142

MakeROM v0.18.3

• [BuildSystem] makefile for makerom and libyaml updated to define -D_GNU_SOURCE for linux builds.
  • This addresses issue #122 where some functions were implcitly defined causing segfaults on linux.

MakeROM v0.18.2

• [BugFix] Correctly initialize prod InitialData KeyX.
• [BugFix] Properly select CCI CryptoType when not manually specified.

Release notes.

External links

• GitHub - https://github.com/3DSGuy/Project_CTR
• GBAtemp - https://gbatemp.net/threads/release-ctrtool-v1-0-0.609238