43 lines
1.3 KiB
Bash
43 lines
1.3 KiB
Bash
# Separate encrypted root FS and /home partitions, and transient swap --
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# the latter two are not unlocked at initramfs stage but later in the
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# boot process. This environment also uses sysvinit as PID1 so we can
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# test our init scripts.
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sfdisk --append /dev/vda <<-EOF
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unit: sectors
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start=$((64*1024*2)), size=$((128*1024*2)), type=${GUID_TYPE_Linux_FS}
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start=$(((64+128)*1024*2)), size=$((64*1024*2)), type=${GUID_TYPE_LUKS}
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start=$(((64+128+64)*1024*2)), size=$((64*1024*2)), type=${GUID_TYPE_DMCRYPT}
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start=$(((64+128+64+64)*1024*2)), type=${GUID_TYPE_LUKS}
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EOF
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udevadm settle
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# initialize a new LUKS partition and open it
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echo -n "topsecret" >/rootfs.key
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cryptsetup luksFormat --batch-mode \
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--key-file=/rootfs.key \
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--type=luks2 \
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--pbkdf=argon2id \
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--pbkdf-force-iterations=4 \
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--pbkdf-memory=32 \
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-- /dev/vda5
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cryptsetup luksOpen --key-file=/rootfs.key --allow-discards \
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-- /dev/vda5 "vda5_crypt"
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udevadm settle
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cryptsetup open --type=plain --key-file=/dev/urandom --allow-discards \
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-- /dev/vda4 "vda4_crypt"
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udevadm settle
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mke2fs -Ft ext4 /dev/mapper/vda5_crypt
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mount -t ext4 /dev/mapper/vda5_crypt "$ROOT"
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mkdir "$ROOT/boot"
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mke2fs -Ft ext2 -m0 /dev/vda2
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mount -t ext2 /dev/vda2 "$ROOT/boot"
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mkswap /dev/mapper/vda4_crypt
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swapon /dev/mapper/vda4_crypt
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# vim: set filetype=sh :
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