{
 boot.initrd.luks.devices = {
   "luks-c14a978c-5752-4d1b-beb9-57fb710cd409" = {
     device = "/dev/disk/by-uuid/c14a978c-5752-4d1b-beb9-57fb710cd409";
     allowDiscards = true;
     keyFileSize = 4096;
     keyFile = "/dev//disk/by-id/usb-Generic_Flash_Disk_C94D5655-0:0";
     fallbackToPassword = true;
     preLVM = false;
    };
  };
}