Archipelago — open-source initial import

2026-08-12 10:55:50 +00:00
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+{
+  "source_path": "/home/archipelago/Projects/archy/docs/adr/005-chacha20-backup-encryption.md",
+  "type": "ADR",
+  "confidence": "high",
+  "manifest_override": false,
+  "title": "ADR-005: ChaCha20-Poly1305 for Backup Encryption",
+  "summary": "Chose ChaCha20-Poly1305 AEAD with Argon2id key derivation for encrypting backups at rest, over AES-256-GCM and XChaCha20-Poly1305.",
+  "scope": ["backup encryption", "ChaCha20-Poly1305", "Argon2id key derivation", "AEAD", "nonce handling"],
+  "cross_refs": [],
+  "locked": true,
+  "precedence": null,
+  "notes": ""
+}