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# Welcome to HalogenOS!
HalogenOS is an image-based, Android-like Linux distribution, designed to take advantage of security features present on PC platforms, as well as security concepts that are not implemented by many popular distributions or operating systems.
## What features does it offer?
- Fully verified boot, using Secure Boot, verity, and LUKS
- A/B system partition allows seamless, recoverable updates
- Read-only system partition guarantees reliability, security, and reproducibility
- Per-user home directory encryption ensures user data confidentiality
- Hardened compiler flags, kernel patch sets, USE flags, parameters, and tunables
- Sandboxed applications allowed via Flatpak, BubbleJail, and Distrobox with gvisor
- Developers can modify system indirectly via overlays
- System updates are signed and verified
- Encryption keys are generated locally and encrypted themselves
- Provisioning is done automatically on boot, reset is as simple as destroying the root partition
- Gentoo and emerge used to build system images
## What is this repository?
This repository is all the files needed to build, sign, and distribute update images. In essence, it *is* HalogenOS, in the sense that it defines how the OS is built and configured.
## What does it take inspiration from?
HalogenOS takes inspiration from [Clip OS](https://clip-os.org/en/), another Gentoo based Linux project with similar goals but a bigger budget and higher complexity. It also takes inspiration from [GrapheneOS](https://grapheneos.org), a highly secure Android distribution.