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Update Developer Guide with CRYPTROOT_AUTOUNLOCK info #836

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Nov 2, 2025
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Update Developer Guide with CRYPTROOT_AUTOUNLOCK info #836

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Update Developer Guide with CRYPTROOT_AUTOUNLOCK info
sashasimkin Oct 24, 2025
f5b6cdb
Update docs/Developer-Guide_Build-Switches.md
sashasimkin Oct 24, 2025
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2 changes: 2 additions & 0 deletions docs/Developer-Guide_Build-Switches.md
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Expand Up @@ -208,6 +208,7 @@ LUKS (Linux Unified Key Setup) is a specification for block device encryption. I

```title="When enabled, you need to provide additional information:"
CRYPTROOT_PASSPHRASE="MYSECRECTPASS" # Mandatory
CRYPTROOT_AUTOUNLOCK="yes" # Default: no. If set to yes you can omit CRYPTROOT_PASSPHRASE to do unattended unlocking
CRYPTROOT_SSH_UNLOCK="yes" # Default: yes
CRYPTROOT_SSH_UNLOCK_PORT="2222" # Default: 2022
CRYPTROOT_MAPPER=armbian-root` # Default: armbian-root
Expand All @@ -221,6 +222,7 @@ CRYPTROOT_PARAMETERS="custom cryptsetup options" # Default: --pbkdf pbkdf2
- This function might not work well with all distributions.
- CRYPTROOT_MAPPER name might affect parallel image building
- CRYPTROOT_PARAMETERS may not contain `=`; separate switches with spaces
- CRYPTROOT_AUTOUNLOCK stores entryption key in the /etc/rootfs.key

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