wtf is teeforge-cd?

TeeForge-CD is a companion module for rooted Android phones that use KernelSU or Magisk. It is not a standalone tool. It is meant to be installed alongside one of three other modules, TrickyStore, TEESimulator-RS, or TEESimulator, and it handles a set of supporting tasks those modules would otherwise require doing by hand. The README describes its purpose as automating several fiddly manual steps: keeping a list of which installed apps should be affected, spoofing a set of system properties so the device's bootloader status looks different to apps that check for it, and fetching and decrypting a keybox file, a piece of cryptographic data used in some device attestation schemes, from a content delivery network instead of hunting for one online and swapping it in by hand. Functionally, the module automatically rebuilds its target app list on every boot, including support for the binary format used in a recent Android version, applies a set of around thirty spoofed system properties in a fraction of a second, and offers a command line tool with flags for generating the target list, hiding bootloader status, downloading and applying a keybox, detecting which rooting method is present, and reading volume key presses during setup for configuration choices. It checks automatically for updates to itself through KernelSU's update mechanism. The core is written in C, compiled with the Android NDK into a small static binary under 500 kilobytes for both ARM64 and ARMv7 devices, with no dependency on OpenSSL or BusyBox, relying only on tools already built into Android. The keybox data is obscured behind several layers of encoding before being stored or transmitted. Building it from source requires the Android NDK and the project's own build and packaging shell scripts. The project is released under the GPL-3.0 license.