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dotfiles/.memory/plans/luks-sddm-kwallet-login-integration.md
2026-03-12 12:14:33 +00:00

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---
title: luks-sddm-kwallet-login-integration
type: note
permalink: dotfiles/plans/luks-sddm-kwallet-login-integration
tags:
- auth
- sddm
- kwallet
- luks
---
# LUKS / SDDM / KWallet login integration
## Goal
Configure the system so login feels unified across LUKS boot unlock, SDDM, and KWallet.
## Clarified scope
- [decision] User selected **Password login** instead of true SDDM autologin because password login preserves KWallet PAM unlock.
- [decision] User selected **Just document commands** instead of expanding repo scope to manage `/etc` files directly.
- [decision] Deliverable is repo documentation with exact manual system commands/edits; no tracked `/etc` files will be added in this change.
## Discovery
- Dotfiles repo contains user-space config only; system auth files live outside the repo.
- Current system already references `pam_kwallet5.so` in `/etc/pam.d/sddm` and `/etc/pam.d/sddm-autologin`, but the module is missing and silently skipped.
- `kwallet-pam` is available in Arch repos and should provide the current PAM module for KWallet 6.
- LUKS unlock and SDDM login are independent phases; there is no direct password handoff from initramfs to SDDM.
- True SDDM autologin conflicts with password-based KWallet unlock because no login password is available to PAM during autologin.
## Tasks
- [ ] Write documentation for package install and PAM edits needed for SDDM/KWallet integration
- [ ] Document wallet initialization and verification steps
- [ ] Review documentation for correctness and scope alignment
- [ ] Validate documented commands against current system state where possible
- [ ] Check documentation coverage/placement in repo
## Acceptance criteria
- README documents the exact package install step and the exact PAM module substitutions needed.
- README explicitly states that password login is the chosen model and true SDDM autologin is not part of this setup.
- README includes KWallet initialization and verification steps suitable for this Arch + Hyprland + SDDM setup.
- Reviewer/tester/librarian passes are recorded before completion.
## Workstream
- Single workstream in the main repo working tree.