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UndeadDevel wants to merge 6 commits into from
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Improve reencryption UX #1547

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dab6150
refactor luks_reencrypt and make secrets disappear from screen
UndeadDevel Dec 7, 2023
ee6f299
prompt for updating checksums after LUKS header change
UndeadDevel Dec 7, 2023
73152c7
Use clear instead of printf
UndeadDevel Dec 17, 2023
310fc6a
Revert "prompt for updating checksums after LUKS header change"
UndeadDevel Dec 17, 2023
7bc763e
Notify user of result and next steps
UndeadDevel Dec 17, 2023
c15f2e2
Merge branch 'master' into improve-reencryption-ux
UndeadDevel Jan 26, 2024
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2 changes: 2 additions & 0 deletions initrd/bin/gui-init
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Original file line number Diff line number Diff line change
Expand Up @@ -464,10 +464,12 @@ show_options_menu()
;;
C )
luks_reencrypt
[[ -n "$luks_current_Disk_Recovery_Key_passphrase" ]] && whiptail --title 'Reencryption successful!' --msgbox "Your LUKS volume was successfully reencrypted!\n\nNote that before booting the next time you should update your checksums.\nIf you are using a TPM Disk Unlock Key you also need to reseal that key." 0 80
luks_secrets_cleanup
;;
P )
luks_change_passphrase
[[ -n "$luks_new_Disk_Recovery_Key_passphrase" ]] && whiptail --title 'Passphrase change successful!' --msgbox "Your LUKS volume passphrase was successfully changed!\n\nNote that before booting the next time you should update your checksums.\nIf you are using a TPM Disk Unlock Key you also need to reseal that key." 0 80
luks_secrets_cleanup
;;
R )
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13 changes: 6 additions & 7 deletions initrd/etc/luks-functions
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Expand Up @@ -349,14 +349,13 @@ luks_reencrypt() {
--msgbox "This will replace the encrypted container content and its Disk Recovery Key.\n\nThe passphrase associated with this key will be asked from the user under\nthe following conditions:\n 1-Every boot if no Disk Unlock Key was added to the TPM\n 2-If the TPM fails (hardware failure)\n 3-If the firmware has been tampered with/upgraded/modified by the user\n\nThis process requires you to type the current Disk Recovery Key passphrase\nand will delete the TPM Disk Unlock Key slot, if set up, by setting a default\n boot LUKS key slot (1) if present.\n\nAt the next prompt, you may be asked to select which file corresponds to\nthe LUKS device container.\n\nHit Enter to continue." 0 80
echo -e "\nEnter the current Disk Recovery Key passphrase:"
read -r luks_current_Disk_Recovery_Key_passphrase
echo -n "$luks_current_Disk_Recovery_Key_passphrase" >/tmp/luks_current_Disk_Recovery_Key_passphrase
warn "Reencrypting "$LUKS" LUKS encrypted drive content with a new Disk Recovery Key. Do NOT shut down or reboot!"
cryptsetup-reencrypt -B 64 --use-directio "$LUKS" --key-slot 0 --key-file /tmp/luks_current_Disk_Recovery_Key_passphrase
else
echo -n "$luks_current_Disk_Recovery_Key_passphrase" >/tmp/luks_current_Disk_Recovery_Key_passphrase
warn "Reencrypting "$LUKS" LUKS encrypted drive content with a new Disk Recovery Key. Do NOT shut down or reboot!"
cryptsetup-reencrypt -B 64 --use-directio "$LUKS" --key-slot 0 --key-file /tmp/luks_current_Disk_Recovery_Key_passphrase
fi
echo -n "$luks_current_Disk_Recovery_Key_passphrase" >/tmp/luks_current_Disk_Recovery_Key_passphrase
#make secrets disappear from screen as reencryption can take a long time (we show these to the user again later in whiptail anyway)
clear
warn "Reencrypting "$LUKS" LUKS encrypted drive content with a new Disk Recovery Key. Do NOT shut down or reboot!"
cryptsetup-reencrypt -B 64 --use-directio "$LUKS" --key-slot 0 --key-file /tmp/luks_current_Disk_Recovery_Key_passphrase

#Validate past cryptsetup-reencrypt attempts
if [ $(echo $?) -ne 0 ]; then
whiptail --title 'Invalid Actual LUKS Disk Recovery Key passphrase?' --msgbox \
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