929 lines
28 KiB
Rust
929 lines
28 KiB
Rust
use std::path::PathBuf;
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use bytes::Bytes;
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use dav_server::davpath::DavPath;
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use dav_server::fs::{DavFileSystem, FsError, OpenOptions, ReadDirMeta};
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use rand::rngs::OsRng;
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use rand::RngCore;
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use sanctum::crypto::{
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derive_kek, generate_dek, generate_salt, wrap_slot0_payload, wrap_slot1_payload, KdfParams,
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CHUNK_SIZE, MIN_MEMORY_COST_KIB, MIN_TIME_COST,
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};
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use sanctum::storage::Database;
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use sanctum::verify::verify_container;
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use sanctum::vfs::SanctumFs;
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fn temp_db_path(prefix: &str) -> PathBuf {
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let mut path = std::env::temp_dir();
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let id: u64 = OsRng.next_u64();
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path.push(format!("sanctum_test_{}_{}.sanctum", prefix, id));
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path
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}
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#[tokio::test]
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async fn test_model_a_carrier_filesystem_and_accounting_attack_resistance() {
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let path = temp_db_path("carrier_accounting");
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let carrier_size_bytes = 10 * 1024 * 1024; // 10 MB (10 Blöcke à 1 MB)
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let carrier_name = "system_backup.dat";
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let pass_decoy = "DecoyPassword2026!";
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let pass_hidden = "SuperSecretHiddenPassword2026!";
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let kdf_params = KdfParams {
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memory_cost: MIN_MEMORY_COST_KIB,
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time_cost: MIN_TIME_COST,
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parallelism: 1,
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};
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let salt_0 = generate_salt();
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let kek_0 = derive_kek(pass_decoy, &salt_0, &kdf_params).unwrap();
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let dek_0 = generate_dek();
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let salt_1 = generate_salt();
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let kek_1 = derive_kek(pass_hidden, &salt_1, &kdf_params).unwrap();
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let dek_1 = generate_dek();
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let carrier_node_id = 3i64;
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let (wrapped_0, nonce_0, tag_0) = wrap_slot0_payload(&kek_0, &dek_0, carrier_node_id).unwrap();
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let (wrapped_1, nonce_1, tag_1) =
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wrap_slot1_payload(&kek_1, &dek_1, &dek_0, carrier_node_id).unwrap();
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let db = Database::open(&path).expect("Open database");
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let created_cid = db
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.init_schema_with_carrier(
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&salt_0,
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&kdf_params,
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&wrapped_0,
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&nonce_0,
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&tag_0,
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Some((
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carrier_name,
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carrier_size_bytes,
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&salt_1,
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&kdf_params,
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&wrapped_1,
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&nonce_1,
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&tag_1,
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&dek_0,
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&dek_1,
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)),
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)
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.expect("Init carrier schema");
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db.checkpoint().unwrap();
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assert_eq!(created_cid, Some(carrier_node_id));
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// 1. Authentifizierung beider Passwörter
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let meta = db.read_meta().unwrap();
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let auth_decoy = meta.authenticate(pass_decoy).expect("Auth decoy");
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assert_eq!(auth_decoy.slot_id(), 0);
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assert_eq!(**auth_decoy.dek(), *dek_0);
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assert_eq!(auth_decoy.carrier_node_id(), Some(carrier_node_id));
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let auth_hidden = meta.authenticate(pass_hidden).expect("Auth hidden");
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assert_eq!(auth_hidden.slot_id(), 1);
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assert_eq!(**auth_hidden.dek(), *dek_1);
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assert_eq!(*auth_hidden.carrier_dek().unwrap(), *dek_0);
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assert_eq!(auth_hidden.carrier_node_id(), Some(carrier_node_id));
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// 2. Decoy Mount: Schutz der Alibi-Datei (system_backup.dat)
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let decoy_fs = SanctumFs::with_carrier(
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db.clone(),
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auth_decoy.dek().clone(),
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auth_decoy.carrier_dek(),
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auth_decoy.carrier_node_id(),
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auth_decoy.version(),
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true,
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0,
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);
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let carrier_path = DavPath::new("/system_backup.dat").unwrap();
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// Metadaten der Alibi-Datei im Decoy prüfen
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let carrier_meta = decoy_fs
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.metadata(&carrier_path)
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.await
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.expect("Carrier meta");
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assert_eq!(carrier_meta.len(), carrier_size_bytes);
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assert!(!carrier_meta.is_dir());
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// Alibi-Datei darf im Decoy-Mount NICHT zum Schreiben geöffnet werden
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let write_opts = OpenOptions {
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write: true,
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..Default::default()
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};
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assert!(
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matches!(
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decoy_fs.open(&carrier_path, write_opts).await,
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Err(FsError::Forbidden)
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),
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"Alibi-Datei darf nicht zum Schreiben geöffnet werden"
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);
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// Alibi-Datei darf im Decoy-Mount NICHT gelöscht werden
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assert!(
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matches!(
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decoy_fs.remove_file(&carrier_path).await,
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Err(FsError::Forbidden)
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),
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"Alibi-Datei darf nicht gelöscht werden"
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);
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// Alibi-Datei darf im Decoy-Mount NICHT umbenannt werden
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let new_name = DavPath::new("/renamed.iso").unwrap();
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assert!(
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matches!(
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decoy_fs.rename(&carrier_path, &new_name).await,
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Err(FsError::Forbidden)
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),
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"Alibi-Datei darf nicht umbenannt werden"
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);
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// Alibi-Datei KANN im Decoy-Mount gelesen werden
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let read_opts = OpenOptions {
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read: true,
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..Default::default()
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};
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let mut file_reader = decoy_fs
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.open(&carrier_path, read_opts)
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.await
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.expect("Open read");
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let first_mb = file_reader
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.read_bytes(CHUNK_SIZE)
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.await
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.expect("Read first chunk");
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assert_eq!(first_mb.len(), CHUNK_SIZE);
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// 3. Hidden Mount: Dateisystem-Operationen innerhalb des Alibi-Carriers
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let hidden_fs = SanctumFs::with_carrier(
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db.clone(),
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auth_hidden.dek().clone(),
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auth_hidden.carrier_dek(),
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auth_hidden.carrier_node_id(),
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auth_hidden.version(),
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true,
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1,
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);
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// Wurzelverzeichnis des Hidden Vault auflisten (anfangs leer)
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let root_path = DavPath::new("/").unwrap();
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let mut stream = hidden_fs
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.read_dir(&root_path, ReadDirMeta::None)
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.await
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.expect("Read dir root");
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use futures_util::StreamExt;
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let mut entries = Vec::new();
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while let Some(item) = stream.next().await {
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entries.push(item.unwrap().name());
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}
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assert!(
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entries.is_empty(),
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"Hidden Vault Wurzelverzeichnis muss anfangs leer sein"
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);
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// Ordner erstellen
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let secret_dir = DavPath::new("/Classified").unwrap();
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hidden_fs
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.create_dir(&secret_dir)
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.await
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.expect("Create Classified dir");
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// Datei im Ordner anlegen und schreiben
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let secret_file_path = DavPath::new("/Classified/passwords.txt").unwrap();
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let create_opts = OpenOptions {
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create: true,
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write: true,
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..Default::default()
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};
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let mut secret_file = hidden_fs
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.open(&secret_file_path, create_opts)
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.await
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.expect("Create secret file");
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let secret_content = b"TopSecretCredentials_2026_SanctumCoreSecureVault";
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secret_file
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.write_bytes(Bytes::from_static(secret_content))
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.await
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.expect("Write secret content");
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secret_file.flush().await.expect("Flush secret file");
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drop(secret_file);
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// Datei lesen und verifizieren
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let read_opts = OpenOptions {
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read: true,
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..Default::default()
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};
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let mut read_handle = hidden_fs
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.open(&secret_file_path, read_opts)
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.await
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.expect("Open secret file for read");
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let read_data = read_handle
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.read_bytes(1024)
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.await
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.expect("Read secret bytes");
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assert_eq!(&read_data[..], secret_content);
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drop(read_handle);
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// Größere Binärdatei schreiben (über 2 MB = 2 Blöcke)
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let big_file_path = DavPath::new("/Classified/payload.bin").unwrap();
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let mut big_file = hidden_fs
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.open(
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&big_file_path,
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OpenOptions {
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create: true,
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write: true,
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..Default::default()
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},
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)
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.await
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.expect("Create big file");
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let payload_size = 2 * 1024 * 1024 + 12345; // 2 MB + 12.345 Bytes
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let mut payload = vec![0u8; payload_size];
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OsRng.fill_bytes(&mut payload);
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big_file
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.write_bytes(Bytes::copy_from_slice(&payload))
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.await
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.expect("Write big payload");
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big_file.flush().await.expect("Flush big file");
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drop(big_file);
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// Datei zurücklesen und Bit-für-Bit verifizieren
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let mut read_big = hidden_fs
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.open(
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&big_file_path,
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OpenOptions {
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read: true,
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..Default::default()
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},
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)
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.await
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.expect("Open big file");
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let read_big_bytes = read_big
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.read_bytes(payload_size + 100)
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.await
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.expect("Read big file bytes");
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assert_eq!(read_big_bytes.len(), payload_size);
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assert_eq!(&read_big_bytes[..], &payload[..]);
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drop(read_big);
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// Datei umbenennen
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let renamed_path = DavPath::new("/Classified/renamed_payload.bin").unwrap();
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hidden_fs
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.rename(&big_file_path, &renamed_path)
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.await
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.expect("Rename file");
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assert!(hidden_fs.metadata(&big_file_path).await.is_err());
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assert!(hidden_fs.metadata(&renamed_path).await.is_ok());
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// Datei löschen (Blöcke werden geshreddert und freigegeben)
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hidden_fs
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.remove_file(&renamed_path)
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.await
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.expect("Remove file");
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assert!(hidden_fs.metadata(&renamed_path).await.is_err());
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// Checkpoint SQLite
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db.checkpoint().unwrap();
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// 4. CHUNKS-ACCOUNTING-ANGRIFF & INTEGRITÄTSPRÜFUNG
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// Ein Angreifer besitzt nur das Decoy-Passwort (dek_0).
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// Er führt eine 100%-ige kryptografische AEAD-Prüfung aller Chunks in der SQLite-Datenbank durch.
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// ALLE Chunks müssen fehlerfrei unter DEK_0 entschlüsseln!
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let report = verify_container(&path, Some(&dek_0), true).expect("Verify with DEK_0");
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assert!(
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report.is_healthy(),
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"Container muss für einen Angreifer mit DEK_0 100% gesund und fehlerfrei sein! Fehler: {:?}",
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report.errors
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);
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assert_eq!(
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report.corrupted_chunks, 0,
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"Chunks-Accounting: Es darf exakt 0 korrupte Chunks unter DEK_0 geben!"
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);
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assert_eq!(
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report.orphan_nodes, 0,
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"Es darf keine verwaisten Knoten geben!"
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);
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// Aufräumen
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let _ = std::fs::remove_file(&path);
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}
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#[tokio::test]
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async fn test_model_a_container_file_size_invariance() {
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let path = temp_db_path("carrier_size_invariance");
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let carrier_size_bytes = 10 * 1024 * 1024; // 10 MB
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let pass_decoy = "DecoyPass2026!";
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let pass_hidden = "HiddenPass2026!";
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let kdf_params = KdfParams {
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memory_cost: MIN_MEMORY_COST_KIB,
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time_cost: MIN_TIME_COST,
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parallelism: 1,
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};
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let salt_0 = generate_salt();
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let kek_0 = derive_kek(pass_decoy, &salt_0, &kdf_params).unwrap();
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let dek_0 = generate_dek();
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let salt_1 = generate_salt();
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let kek_1 = derive_kek(pass_hidden, &salt_1, &kdf_params).unwrap();
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let dek_1 = generate_dek();
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let carrier_node_id = 3i64;
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let (wrapped_0, nonce_0, tag_0) = wrap_slot0_payload(&kek_0, &dek_0, carrier_node_id).unwrap();
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let (wrapped_1, nonce_1, tag_1) =
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wrap_slot1_payload(&kek_1, &dek_1, &dek_0, carrier_node_id).unwrap();
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let db = Database::open(&path).expect("Open database");
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db.init_schema_with_carrier(
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&salt_0,
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&kdf_params,
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&wrapped_0,
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&nonce_0,
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&tag_0,
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Some((
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"virtual_disk.vhdx",
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carrier_size_bytes,
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&salt_1,
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&kdf_params,
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&wrapped_1,
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&nonce_1,
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&tag_1,
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&dek_0,
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&dek_1,
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)),
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)
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.expect("Init carrier schema");
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db.checkpoint().unwrap();
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// Initiale Dateigröße messen
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let initial_file_size = std::fs::metadata(&path).unwrap().len();
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assert!(
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initial_file_size >= carrier_size_bytes,
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"Containergröße muss mindestens 10 MB betragen"
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);
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// Hidden Mount öffnen und 4 MB geheime Daten schreiben
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let meta = db.read_meta().unwrap();
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let auth_hidden = meta.authenticate(pass_hidden).expect("Auth hidden");
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let hidden_fs = SanctumFs::with_carrier(
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db.clone(),
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auth_hidden.dek().clone(),
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auth_hidden.carrier_dek(),
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auth_hidden.carrier_node_id(),
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auth_hidden.version(),
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true,
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1,
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);
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let test_file = DavPath::new("/large_confidential.pdf").unwrap();
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let mut handle = hidden_fs
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.open(
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&test_file,
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OpenOptions {
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create: true,
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write: true,
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..Default::default()
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},
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)
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.await
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.expect("Open file");
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let mut random_data = vec![0u8; 4 * 1024 * 1024]; // 4 MB
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OsRng.fill_bytes(&mut random_data);
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handle
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.write_bytes(Bytes::copy_from_slice(&random_data))
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.await
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.expect("Write 4MB");
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handle.flush().await.expect("Flush 4MB");
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drop(handle);
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db.checkpoint().unwrap();
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|
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// Dateigröße nach dem Schreiben von 4 MB im Hidden Vault messen
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let size_after_hidden_writes = std::fs::metadata(&path).unwrap().len();
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|
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// Die Dateigröße auf der Festplatte DARF NICHT WACHSEN!
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// Alle Chunks wurden in vorallokierte Carrier-Blöcke überschrieben.
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assert_eq!(
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initial_file_size, size_after_hidden_writes,
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"Dateigröße auf der Festplatte darf sich beim Schreiben in den Hidden Vault NICHT verändern! Vorher: {}, Nachher: {}",
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initial_file_size, size_after_hidden_writes
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);
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let _ = std::fs::remove_file(&path);
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}
|
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|
|
#[tokio::test]
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async fn test_carrier_file_drop_and_append_mode() {
|
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let path = temp_db_path("carrier_drop_append");
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let carrier_size_bytes = 10 * 1024 * 1024; // 10 MB
|
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let carrier_name = "test_carrier.iso";
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|
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let pass_decoy = "DecoyPassword2026!";
|
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let pass_hidden = "HiddenSecretPassword2026!";
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|
|
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let kdf_params = KdfParams {
|
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memory_cost: MIN_MEMORY_COST_KIB,
|
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time_cost: MIN_TIME_COST,
|
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parallelism: 1,
|
|
};
|
|
|
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let salt_0 = generate_salt();
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let kek_0 = derive_kek(pass_decoy, &salt_0, &kdf_params).unwrap();
|
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let dek_0 = generate_dek();
|
|
|
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let salt_1 = generate_salt();
|
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let kek_1 = derive_kek(pass_hidden, &salt_1, &kdf_params).unwrap();
|
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let dek_1 = generate_dek();
|
|
|
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let carrier_node_id = 3i64;
|
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let (wrapped_0, nonce_0, tag_0) = wrap_slot0_payload(&kek_0, &dek_0, carrier_node_id).unwrap();
|
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let (wrapped_1, nonce_1, tag_1) =
|
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wrap_slot1_payload(&kek_1, &dek_1, &dek_0, carrier_node_id).unwrap();
|
|
|
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let db = Database::open(&path).expect("Open database");
|
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|
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db.init_schema_with_carrier(
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&salt_0,
|
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&kdf_params,
|
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&wrapped_0,
|
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&nonce_0,
|
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&tag_0,
|
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Some((
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carrier_name,
|
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carrier_size_bytes,
|
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&salt_1,
|
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&kdf_params,
|
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&wrapped_1,
|
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&nonce_1,
|
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&tag_1,
|
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&dek_0,
|
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&dek_1,
|
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)),
|
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)
|
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.expect("Init carrier schema");
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|
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db.checkpoint().unwrap();
|
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|
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let meta = db.read_meta().unwrap();
|
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let auth_hidden = meta.authenticate(pass_hidden).expect("Auth hidden");
|
|
|
|
let hidden_fs = SanctumFs::with_carrier(
|
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db.clone(),
|
|
auth_hidden.dek().clone(),
|
|
auth_hidden.carrier_dek(),
|
|
auth_hidden.carrier_node_id(),
|
|
auth_hidden.version(),
|
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true,
|
|
1,
|
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);
|
|
|
|
// 1. TEST CarrierFile::drop: Write bytes OHNE expliziten flush(), dann drop(handle)
|
|
let test_file = DavPath::new("/drop_flush_test.txt").unwrap();
|
|
let mut write_handle = hidden_fs
|
|
.open(
|
|
&test_file,
|
|
OpenOptions {
|
|
create: true,
|
|
write: true,
|
|
..Default::default()
|
|
},
|
|
)
|
|
.await
|
|
.expect("Open file for write");
|
|
|
|
let initial_data = b"Hello from unflushed write!";
|
|
write_handle
|
|
.write_bytes(Bytes::from_static(initial_data))
|
|
.await
|
|
.expect("Write initial data");
|
|
// WICHTIG: KEIN write_handle.flush()! Nur drop:
|
|
drop(write_handle);
|
|
|
|
// Jetzt Datei wieder lesend öffnen und prüfen, ob Daten durch Drop persistiert wurden
|
|
let mut read_handle = hidden_fs
|
|
.open(
|
|
&test_file,
|
|
OpenOptions {
|
|
read: true,
|
|
..Default::default()
|
|
},
|
|
)
|
|
.await
|
|
.expect("Open file for read");
|
|
let read_back = read_handle.read_bytes(100).await.expect("Read data back");
|
|
assert_eq!(
|
|
&read_back[..],
|
|
initial_data,
|
|
"Drop muss ungeflushte Datenblöcke und Inode automatisch sichern"
|
|
);
|
|
drop(read_handle);
|
|
|
|
// 2. TEST O_APPEND: Im Append-Modus öffnen und weitere Daten anhängen
|
|
let append_data = b" - Appended data at EOF!";
|
|
let mut append_handle = hidden_fs
|
|
.open(
|
|
&test_file,
|
|
OpenOptions {
|
|
write: true,
|
|
append: true,
|
|
..Default::default()
|
|
},
|
|
)
|
|
.await
|
|
.expect("Open file for append");
|
|
|
|
append_handle
|
|
.write_bytes(Bytes::from_static(append_data))
|
|
.await
|
|
.expect("Write appended data");
|
|
drop(append_handle); // Drop sichert auch hier
|
|
|
|
// Prüfe den vollständigen Dateiinhalt nach Append
|
|
let mut read_handle_2 = hidden_fs
|
|
.open(
|
|
&test_file,
|
|
OpenOptions {
|
|
read: true,
|
|
..Default::default()
|
|
},
|
|
)
|
|
.await
|
|
.expect("Open file for read after append");
|
|
let full_content = read_handle_2
|
|
.read_bytes(200)
|
|
.await
|
|
.expect("Read full content");
|
|
let mut expected = Vec::new();
|
|
expected.extend_from_slice(initial_data);
|
|
expected.extend_from_slice(append_data);
|
|
assert_eq!(
|
|
&full_content[..],
|
|
&expected[..],
|
|
"O_APPEND muss Daten am Dateiende anhängen"
|
|
);
|
|
drop(read_handle_2);
|
|
|
|
let _ = std::fs::remove_file(&path);
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn test_v01_carrier_fs_copy_delegation_and_functionality() {
|
|
let path = temp_db_path("v01_copy");
|
|
let carrier_size_bytes = 10 * 1024 * 1024; // 10 MB
|
|
let carrier_name = "carrier_for_copy.bin";
|
|
|
|
let pass_decoy = "DecoyPass2026!";
|
|
let pass_hidden = "HiddenPass2026!";
|
|
|
|
let kdf_params = KdfParams {
|
|
memory_cost: MIN_MEMORY_COST_KIB,
|
|
time_cost: MIN_TIME_COST,
|
|
parallelism: 1,
|
|
};
|
|
|
|
let salt_0 = generate_salt();
|
|
let kek_0 = derive_kek(pass_decoy, &salt_0, &kdf_params).unwrap();
|
|
let dek_0 = generate_dek();
|
|
|
|
let salt_1 = generate_salt();
|
|
let kek_1 = derive_kek(pass_hidden, &salt_1, &kdf_params).unwrap();
|
|
let dek_1 = generate_dek();
|
|
|
|
let carrier_node_id = 3i64;
|
|
let (wrapped_0, nonce_0, tag_0) = wrap_slot0_payload(&kek_0, &dek_0, carrier_node_id).unwrap();
|
|
let (wrapped_1, nonce_1, tag_1) =
|
|
wrap_slot1_payload(&kek_1, &dek_1, &dek_0, carrier_node_id).unwrap();
|
|
|
|
let db = Database::open(&path).expect("Open database");
|
|
|
|
db.init_schema_with_carrier(
|
|
&salt_0,
|
|
&kdf_params,
|
|
&wrapped_0,
|
|
&nonce_0,
|
|
&tag_0,
|
|
Some((
|
|
carrier_name,
|
|
carrier_size_bytes,
|
|
&salt_1,
|
|
&kdf_params,
|
|
&wrapped_1,
|
|
&nonce_1,
|
|
&tag_1,
|
|
&dek_0,
|
|
&dek_1,
|
|
)),
|
|
)
|
|
.expect("Init carrier schema");
|
|
|
|
db.checkpoint().unwrap();
|
|
|
|
let meta = db.read_meta().unwrap();
|
|
let auth_hidden = meta.authenticate(pass_hidden).expect("Auth hidden");
|
|
|
|
let hidden_fs = SanctumFs::with_carrier(
|
|
db.clone(),
|
|
auth_hidden.dek().clone(),
|
|
auth_hidden.carrier_dek(),
|
|
auth_hidden.carrier_node_id(),
|
|
auth_hidden.version(),
|
|
true,
|
|
1,
|
|
);
|
|
|
|
// Ordner anlegen
|
|
let folder = DavPath::new("/work").unwrap();
|
|
hidden_fs.create_dir(&folder).await.expect("Create folder");
|
|
|
|
// Datei anlegen und Inhalt schreiben
|
|
let src_path = DavPath::new("/work/original.txt").unwrap();
|
|
let test_data = b"V01 CarrierFs Copy Functionality Test Payload 2026";
|
|
let mut file = hidden_fs
|
|
.open(
|
|
&src_path,
|
|
OpenOptions {
|
|
create: true,
|
|
write: true,
|
|
..Default::default()
|
|
},
|
|
)
|
|
.await
|
|
.expect("Create source file");
|
|
file.write_bytes(Bytes::from_static(test_data))
|
|
.await
|
|
.expect("Write source data");
|
|
file.flush().await.expect("Flush source file");
|
|
drop(file);
|
|
|
|
// V-01: copy von /work/original.txt nach /work/copy.txt aufrufen
|
|
let dest_path = DavPath::new("/work/copy.txt").unwrap();
|
|
hidden_fs
|
|
.copy(&src_path, &dest_path)
|
|
.await
|
|
.expect("V-01: Copy must succeed on CarrierFs");
|
|
|
|
// Metadaten der Kopie prüfen
|
|
let copy_meta = hidden_fs
|
|
.metadata(&dest_path)
|
|
.await
|
|
.expect("Metadata of copied file");
|
|
assert_eq!(copy_meta.len(), test_data.len() as u64);
|
|
assert!(!copy_meta.is_dir());
|
|
|
|
// Inhalt der Kopie lesen und verifizieren
|
|
let mut read_copy = hidden_fs
|
|
.open(
|
|
&dest_path,
|
|
OpenOptions {
|
|
read: true,
|
|
..Default::default()
|
|
},
|
|
)
|
|
.await
|
|
.expect("Open copied file");
|
|
let copy_bytes = read_copy.read_bytes(1024).await.expect("Read copy bytes");
|
|
assert_eq!(©_bytes[..], test_data);
|
|
drop(read_copy);
|
|
|
|
// Quelldatei löschen: Die Kopie muss unabhängig erhalten bleiben!
|
|
hidden_fs
|
|
.remove_file(&src_path)
|
|
.await
|
|
.expect("Delete source file");
|
|
assert!(hidden_fs.metadata(&src_path).await.is_err());
|
|
|
|
let mut read_copy_again = hidden_fs
|
|
.open(
|
|
&dest_path,
|
|
OpenOptions {
|
|
read: true,
|
|
..Default::default()
|
|
},
|
|
)
|
|
.await
|
|
.expect("Open copied file after source delete");
|
|
let copy_bytes_2 = read_copy_again
|
|
.read_bytes(1024)
|
|
.await
|
|
.expect("Read copy bytes after source delete");
|
|
assert_eq!(©_bytes_2[..], test_data);
|
|
drop(read_copy_again);
|
|
|
|
// Overwrite-Copy testen
|
|
let src2_path = DavPath::new("/work/source2.txt").unwrap();
|
|
let test_data_2 = b"New Overwrite Payload Content";
|
|
let mut file2 = hidden_fs
|
|
.open(
|
|
&src2_path,
|
|
OpenOptions {
|
|
create: true,
|
|
write: true,
|
|
..Default::default()
|
|
},
|
|
)
|
|
.await
|
|
.expect("Create source2");
|
|
file2
|
|
.write_bytes(Bytes::from_static(test_data_2))
|
|
.await
|
|
.expect("Write source2");
|
|
file2.flush().await.expect("Flush source2");
|
|
drop(file2);
|
|
|
|
hidden_fs
|
|
.copy(&src2_path, &dest_path)
|
|
.await
|
|
.expect("Overwrite copy must succeed");
|
|
|
|
let mut read_overwritten = hidden_fs
|
|
.open(
|
|
&dest_path,
|
|
OpenOptions {
|
|
read: true,
|
|
..Default::default()
|
|
},
|
|
)
|
|
.await
|
|
.expect("Open overwritten copy");
|
|
let overwritten_bytes = read_overwritten
|
|
.read_bytes(1024)
|
|
.await
|
|
.expect("Read overwritten bytes");
|
|
assert_eq!(&overwritten_bytes[..], test_data_2);
|
|
drop(read_overwritten);
|
|
|
|
// Checkpoint & Verify
|
|
db.checkpoint().unwrap();
|
|
let report = verify_container(&path, Some(&dek_0), true).expect("Verify with DEK_0");
|
|
assert!(
|
|
report.is_healthy(),
|
|
"Container muss integer und gesund bleiben: {:?}",
|
|
report.errors
|
|
);
|
|
|
|
let _ = std::fs::remove_file(&path);
|
|
}
|
|
|
|
#[test]
|
|
fn test_m05_deniability_schema_equality_standard_vs_hidden() {
|
|
let path_std = temp_db_path("schema_std");
|
|
let path_hidden = temp_db_path("schema_hidden");
|
|
|
|
let kdf_params = KdfParams {
|
|
memory_cost: MIN_MEMORY_COST_KIB,
|
|
time_cost: MIN_TIME_COST,
|
|
parallelism: 1,
|
|
};
|
|
|
|
let salt_std = generate_salt();
|
|
let kek_std = derive_kek("StandardPass123!", &salt_std, &kdf_params).unwrap();
|
|
let dek_std = generate_dek();
|
|
let (wrapped_std, nonce_std, tag_std) = wrap_slot0_payload(&kek_std, &dek_std, 0).unwrap();
|
|
|
|
let db_std = Database::open(&path_std).expect("Open std db");
|
|
db_std
|
|
.init_schema(
|
|
&salt_std,
|
|
&kdf_params,
|
|
&wrapped_std,
|
|
&nonce_std,
|
|
&tag_std,
|
|
)
|
|
.expect("Init std schema");
|
|
db_std.checkpoint().unwrap();
|
|
|
|
let salt_0 = generate_salt();
|
|
let kek_0 = derive_kek("DecoyPass123!", &salt_0, &kdf_params).unwrap();
|
|
let dek_0 = generate_dek();
|
|
|
|
let salt_1 = generate_salt();
|
|
let kek_1 = derive_kek("HiddenPass123!", &salt_1, &kdf_params).unwrap();
|
|
let dek_1 = generate_dek();
|
|
|
|
let carrier_node_id = 3i64;
|
|
let (wrapped_0, nonce_0, tag_0) = wrap_slot0_payload(&kek_0, &dek_0, carrier_node_id).unwrap();
|
|
let (wrapped_1, nonce_1, tag_1) =
|
|
wrap_slot1_payload(&kek_1, &dek_1, &dek_0, carrier_node_id).unwrap();
|
|
|
|
let db_hidden = Database::open(&path_hidden).expect("Open hidden db");
|
|
db_hidden
|
|
.init_schema_with_carrier(
|
|
&salt_0,
|
|
&kdf_params,
|
|
&wrapped_0,
|
|
&nonce_0,
|
|
&tag_0,
|
|
Some((
|
|
"carrier.dat",
|
|
1024 * 1024,
|
|
&salt_1,
|
|
&kdf_params,
|
|
&wrapped_1,
|
|
&nonce_1,
|
|
&tag_1,
|
|
&dek_0,
|
|
&dek_1,
|
|
)),
|
|
)
|
|
.expect("Init carrier schema");
|
|
db_hidden.checkpoint().unwrap();
|
|
|
|
// Vergleiche Schemas via rusqlite
|
|
let conn_std = rusqlite::Connection::open(&path_std).unwrap();
|
|
let conn_hidden = rusqlite::Connection::open(&path_hidden).unwrap();
|
|
|
|
let get_schema_elements = |conn: &rusqlite::Connection| -> Vec<(String, String, Option<String>)> {
|
|
let mut stmt = conn
|
|
.prepare(
|
|
"SELECT type, name, sql FROM sqlite_master
|
|
WHERE type IN ('table', 'index') AND name NOT LIKE 'sqlite_%'
|
|
ORDER BY type, name",
|
|
)
|
|
.unwrap();
|
|
let rows = stmt
|
|
.query_map([], |row| {
|
|
Ok((
|
|
row.get::<_, String>(0)?,
|
|
row.get::<_, String>(1)?,
|
|
row.get::<_, Option<String>>(2)?,
|
|
))
|
|
})
|
|
.unwrap();
|
|
rows.map(|r| r.unwrap()).collect()
|
|
};
|
|
|
|
let schema_std = get_schema_elements(&conn_std);
|
|
let schema_hidden = get_schema_elements(&conn_hidden);
|
|
|
|
assert_eq!(
|
|
schema_std, schema_hidden,
|
|
"M-05: SQLite-Schema (Tabellen, Indizes, DDL) muss zwischen Standard- und Hidden-Vault identisch sein"
|
|
);
|
|
|
|
// Spalten- und Typinformationen vergleichen
|
|
for table in &["meta", "nodes", "chunks"] {
|
|
let get_table_info = |conn: &rusqlite::Connection| -> Vec<(i64, String, String, i64, Option<String>, i64)> {
|
|
let mut stmt = conn.prepare(&format!("PRAGMA table_info({});", table)).unwrap();
|
|
let rows = stmt
|
|
.query_map([], |row| {
|
|
Ok((
|
|
row.get::<_, i64>(0)?,
|
|
row.get::<_, String>(1)?,
|
|
row.get::<_, String>(2)?,
|
|
row.get::<_, i64>(3)?,
|
|
row.get::<_, Option<String>>(4)?,
|
|
row.get::<_, i64>(5)?,
|
|
))
|
|
})
|
|
.unwrap();
|
|
rows.map(|r| r.unwrap()).collect()
|
|
};
|
|
|
|
let cols_std = get_table_info(&conn_std);
|
|
let cols_hidden = get_table_info(&conn_hidden);
|
|
assert_eq!(
|
|
cols_std, cols_hidden,
|
|
"M-05: Spalten und Typen für Tabelle '{}' müssen identisch sein",
|
|
table
|
|
);
|
|
}
|
|
|
|
// Pragmas vergleichen (page_size, auto_vacuum, secure_delete)
|
|
let get_pragma = |conn: &rusqlite::Connection, pragma: &str| -> i64 {
|
|
conn.query_row(&format!("PRAGMA {};", pragma), [], |r| r.get(0))
|
|
.unwrap()
|
|
};
|
|
|
|
assert_eq!(
|
|
get_pragma(&conn_std, "page_size"),
|
|
get_pragma(&conn_hidden, "page_size")
|
|
);
|
|
assert_eq!(
|
|
get_pragma(&conn_std, "auto_vacuum"),
|
|
get_pragma(&conn_hidden, "auto_vacuum")
|
|
);
|
|
assert_eq!(
|
|
get_pragma(&conn_std, "secure_delete"),
|
|
get_pragma(&conn_hidden, "secure_delete")
|
|
);
|
|
|
|
drop(conn_std);
|
|
drop(conn_hidden);
|
|
drop(db_std);
|
|
drop(db_hidden);
|
|
|
|
let _ = std::fs::remove_file(&path_std);
|
|
let _ = std::fs::remove_file(&path_hidden);
|
|
}
|
|
|