{ self, config, pkgs, lib, ... }: let inherit (lib.modules) mkBefore; encryptedUSB = import "${self}/data/drives/encryptedUSB.nix"; driveData = import "${self}/data/drives/encryptedDrive.nix"; in { boot = { initrd.availableKernelModules = [ # For USB w/ Encryption Key "usb_storage" "usbcore" "uas" "sd_mod" # For USB Keyboards "usbhid" # For Cryptography "aesni_intel" "cryptd" ]; initrd.postDeviceCommands = mkBefore '' mkdir -m 0755 -p /keys mkdir -m 0755 -p ${encryptedUSB.mountpoint} while !(test -b ${encryptedUSB.encryptedPath}) do ${ if config.boot.plymouth.enable then '' ${pkgs.plymouth}/bin/plymouth display-message --text="Please Plug In USB" '' else '' echo "Please Plug In USB" '' } sleep 1 done ${ if config.boot.plymouth.enable then '' ${pkgs.plymouth}/bin/plymouth hide-message --text="Please Plug In USB" ${pkgs.plymouth}/bin/plymouth ask-for-password \ --prompt="Please Decrypt USB" \ --command="cryptsetup -T1 open ${encryptedUSB.encryptedPath} ${encryptedUSB.preBootMapperName}" \ --number-of-tries=3 '' else '' echo "Please Decrypt USB" cryptsetup open ${encryptedUSB.encryptedPath} ${encryptedUSB.preBootMapperName} '' } mount -n -t ${encryptedUSB.unencryptedFSType} -o ro ${encryptedUSB.preBootMapperPath} ${encryptedUSB.mountpoint} cp ${encryptedUSB.encryptionKeysPath}/${config.networking.hostName}.key /keys chmod 0755 /keys/${config.networking.hostName}.key umount -f ${encryptedUSB.mountpoint} cryptsetup close ${encryptedUSB.preBootMapperName} ''; initrd.luks.devices = { "${driveData.mapperName}" = { device = "${driveData.encryptedPath}"; keyFile = "/keys/${config.networking.hostName}.key"; preLVM = false; allowDiscards = true; fallbackToPassword = true; }; }; }; fileSystems = { "/" = { device = "${driveData.decryptedPath}"; fsType = "${driveData.unencryptedFSType}"; }; "/boot" = { device = "${driveData.bootPath}"; fsType = "${driveData.bootFSType}"; }; }; }