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139 lines
3.4 KiB
Markdown
139 lines
3.4 KiB
Markdown
---
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type: types/entity.md
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entity_type: tool
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tags: [encryption, security, signing, verification]
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created: 2026-07-31
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modified: 2026-08-29
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related:
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- AUR
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- Aura
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- makepkg
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- runs-on: Arch Linux
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sources: [Source - Arch Linux Cheat Sheet]
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confidence: 0.85
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confidence_base: 0.85
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provenance: sourced
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summary: GNU Privacy Guard zum Verschlüsseln und Signieren; unverzichtbar für die Prüfung von AUR-Paketen und kryptografische Operationen unter Arch Linux.
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---
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# GPG
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**Typ:** tool
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## Beschreibung
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GNU Privacy Guard (GPG) ist eine freie Implementierung des OpenPGP-Standards zur Verschlüsselung und Signierung von Daten. Sie bietet kryptografische Vertraulichkeit und Authentifizierung für Datenkommunikation.
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## Kerndaten
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- **Vollständiger Name:** GNU Privacy Guard
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- **Zweck:** Verschlüsselung, digitale Signaturen, Schlüsselverwaltung
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- **Status:** Aktiv
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- **Protokoll:** OpenPGP (RFC 4880)
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- **Website:** https://gnupg.org
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- **Paket:** `gnupg` in den meisten Linux-Distributionen
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## Verwendung in Arch Linux AUR
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**Kritischer Hinweis:** Bei der AUR-Paketverwaltung müssen GPG-Schlüssel in den Schlüsselbund des **Benutzers** importiert werden, **nicht** in den Root-Schlüsselbund. Dies ist eine häufige Fehlerquelle.
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### AUR-GPG-Schlüssel importieren
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```bash
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# Import a specific key
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gpg --recv-key B94556F81C85D0D5
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# Import from keyserver
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gpg --keyserver hkps://keys.openpgp.org --recv-key KEY_ID
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# List keys
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gpg --list-keys
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# List secret keys
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gpg --list-secret-keys
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```
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### Paketsignaturen verifizieren
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```bash
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# Verify a package signature
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gpg --verify package.pkg.tar.zst.sig package.pkg.tar.zst
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```
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### Pakete mit makepkg signieren
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Bei der Verwendung von `makepkg` mit GPG-Signierung:
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```bash
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# Enable signing in makepkg.conf
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# GPGKEY="your-key-id"
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# Sign a built package
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makepkg --sign
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```
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## Schlüsselverwaltung
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### Öffentlichen Schlüssel exportieren
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```bash
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# Export to file
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gpg --export --armor KEY_ID > public.key
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# Export to keyserver
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gpg --keyserver hkps://keys.openpgp.org --send-keys KEY_ID
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```
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### Öffentlichen Schlüssel importieren
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```bash
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# From file
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gpg --import public.key
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# From keyserver
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gpg --recv-key KEY_ID
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```
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### Schlüssel widerrufen
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```bash
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# Generate revocation certificate (do this when creating key)
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gpg --gen-revoke KEY_ID > revoke.asc
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# Publish revocation
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gpg --keyserver hkps://keys.openpgp.org --send-keys KEY_ID
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```
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## Beziehungen
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- **Verwendet von:** [[AUR]]-Paketmitverantwortlichen zum Signieren
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- **Integriert mit:** [[Aura]]-AUR-Helfer
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- **Verwendet mit:** [[makepkg]] für das Paketsignieren
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- **Läuft auf:** [[Arch Linux]] und anderen Distributionen
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## Best Practices
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1. **Benutzer vs. Root:** AUR-Schlüssel immer in den Schlüsselbund des Benutzers importieren, nicht in Root
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2. **Schlüsselsicherung:** Privaten Schlüssel und das Widerrufszertifikat sichern
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3. **Schlüsselablauf:** Angemessene Ablaufdaten für Schlüssel festlegen
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4. **Schlüsselrotation:** Schlüssel regelmäßig rotieren
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5. **Schlüssel verifizieren:** Schlüssel-Fingerprints immer vor dem Vertrauen verifizieren
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## Siehe auch
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- [[AUR]] - Arch User Repository
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- [[Aura]] - AUR-Helfertool
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- [[makepkg]] - Arch-Linux-Buildtool
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- [[Arch Linux]]
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- [[Source - Arch Linux Cheat Sheet]]
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- https://wiki.archlinux.org/title/GnuPG
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- https://gnupg.org
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<!-- wikitool:links -->
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## Beziehungen
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- [[AUR]]
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- [[Aura]]
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- [[makepkg]]
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- **runs-on:** [[Arch Linux]]
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<!-- /wikitool:links -->
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