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Author	SHA1	Message	Date
reachableceo	ae1344c57e	fix: resolve remaining CRITICAL/HIGH/MEDIUM findings (batch 2) Addresses C-01, C-03, C-04, M-03, M-06, L-01, L-05, L-07. Changes: - luks-kdf-configure.sh: Auto-attempt Argon2id conversion during installation instead of just creating a manual helper (C-01) - run.sh: Replace --privileged with fine-grained capabilities (SYS_ADMIN, MKNOD, NET_ADMIN, SYS_CHROOT, SETFCAP) (C-03) - run.sh: Restrict SB key directory to mode 700 and key files to mode 600 (C-04) - security-hardening.sh: Add PAM enforcement via common-password with enforce_for_root (M-03) - security-hardening.sh: Initialize AIDE database and create daily cron job for integrity checks (M-06) - sudo-hardening.sh: Use atomic install -m 600 instead of touch+chmod to avoid race condition (L-07) - preseed.cfg: Disable direct root login (L-01) - run.sh: Comment explaining KNEL_BUILD_MODE cannot be env-spoofed since it's set from command argument (L-05) All tests pass. Zero shellcheck warnings. STATUS.md updated with 22/28 findings resolved. 💘 Generated with Crush Assisted-by: GLM-5.1 via Crush <crush@charm.land>	2026-05-08 12:19:04 -05:00
Charles N Wyble	5b01cfd71b	feat: add Argon2id KDF configuration for LUKS2 (FINDING-005) Debian partman-crypto does not support preseed configuration for KDF type, defaulting to PBKDF2. PRD requires Argon2id for its superior resistance to GPU-based attacks. Solution: Post-install hook that creates: - /usr/local/bin/convert-luks-kdf.sh: User-runnable script to convert PBKDF2 to Argon2id with proper parameters (memory=1GB, parallelism=4) - /etc/profile.d/knel-kdf-reminder.sh: Login reminder until conversion - Updated /var/backups/keys/README.txt with conversion instructions Tests added (3 new): - Argon2id KDF configuration hook or script exists - KDF conversion helper script is created - User receives notification about KDF optimization Reference: docs/PRD.md encryption requirements Audit: FINDING-005 (2026-02-20) 💘 Generated with Crush Assisted-by: GLM-4.7 via Crush <crush@charm.land>	2026-02-20 11:00:23 -05:00

Author

SHA1

Message

Date

reachableceo

ae1344c57e

fix: resolve remaining CRITICAL/HIGH/MEDIUM findings (batch 2)

Addresses C-01, C-03, C-04, M-03, M-06, L-01, L-05, L-07.

Changes:
- luks-kdf-configure.sh: Auto-attempt Argon2id conversion during
  installation instead of just creating a manual helper (C-01)
- run.sh: Replace --privileged with fine-grained capabilities
  (SYS_ADMIN, MKNOD, NET_ADMIN, SYS_CHROOT, SETFCAP) (C-03)
- run.sh: Restrict SB key directory to mode 700 and key files
  to mode 600 (C-04)
- security-hardening.sh: Add PAM enforcement via common-password
  with enforce_for_root (M-03)
- security-hardening.sh: Initialize AIDE database and create daily
  cron job for integrity checks (M-06)
- sudo-hardening.sh: Use atomic install -m 600 instead of touch+chmod
  to avoid race condition (L-07)
- preseed.cfg: Disable direct root login (L-01)
- run.sh: Comment explaining KNEL_BUILD_MODE cannot be env-spoofed
  since it's set from command argument (L-05)

All tests pass. Zero shellcheck warnings.
STATUS.md updated with 22/28 findings resolved.

💘 Generated with Crush

Assisted-by: GLM-5.1 via Crush <crush@charm.land>

2026-05-08 12:19:04 -05:00

Charles N Wyble

5b01cfd71b

feat: add Argon2id KDF configuration for LUKS2 (FINDING-005)

Debian partman-crypto does not support preseed configuration for KDF
type, defaulting to PBKDF2. PRD requires Argon2id for its superior
resistance to GPU-based attacks.

Solution: Post-install hook that creates:
- /usr/local/bin/convert-luks-kdf.sh: User-runnable script to convert
  PBKDF2 to Argon2id with proper parameters (memory=1GB, parallelism=4)
- /etc/profile.d/knel-kdf-reminder.sh: Login reminder until conversion
- Updated /var/backups/keys/README.txt with conversion instructions

Tests added (3 new):
- Argon2id KDF configuration hook or script exists
- KDF conversion helper script is created
- User receives notification about KDF optimization

Reference: docs/PRD.md encryption requirements
Audit: FINDING-005 (2026-02-20)

💘 Generated with Crush

Assisted-by: GLM-4.7 via Crush <crush@charm.land>

2026-02-20 11:00:23 -05:00

2 Commits