.. _pureboot: PureBoot ======== PureBoot is Purism's cutting edge, complete secured boot process and combines a number of technologies including: * `Neutralized and Disabled Intel Management Engine `_ where only the code absolutely essential for the system to boot is left in the ME. * `Coreboot `_ the free software BIOS replacement. * A Trusted Platform Module (TPM) chip * :ref:`heads` our tamper-evident boot software that loads from within coreboot and uses the TPM and the user's own GPG keys to detect tampering within the BIOS, kernel, and GRUB config. * :ref:`librem_key` our USB security token that integrates with Heads `to alert the user to tampering `_ with an easy "green light good, red light bad" process. * Integration between the Librem Key and LUKS disk encryption so you can unlock your disk with your Librem Key. .. toctree:: :maxdepth: 1 PureBoot/GettingStarted PureBoot/Coreboot PureBoot/Heads PureBoot/IntelME PureBoot/LibremKeyLUKS