Example #1
0
  public void testParseData() throws IOException, StorageFileException {
    long indexFree = 25L;
    long indexConversation = 13L;
    int version = 17;

    byte[] dataPlain = new byte[Storage.CHUNK_SIZE - 4 - Encryption.ENCRYPTION_OVERHEAD];
    System.arraycopy(
        LowLevel.getBytesUnsignedInt(indexFree),
        0,
        dataPlain,
        Storage.CHUNK_SIZE - 4 - Encryption.ENCRYPTION_OVERHEAD - 8,
        4);
    System.arraycopy(
        LowLevel.getBytesUnsignedInt(indexConversation),
        0,
        dataPlain,
        Storage.CHUNK_SIZE - 4 - Encryption.ENCRYPTION_OVERHEAD - 4,
        4);
    byte[] dataEncrypted =
        Encryption.encryptSymmetric(dataPlain, Encryption.retreiveEncryptionKey());

    byte[] dataAll = new byte[Storage.CHUNK_SIZE];
    System.arraycopy(dataEncrypted, 0, dataAll, 4, Storage.CHUNK_SIZE - 4);

    // wrong header (SMS)
    dataAll[0] = 0x53; // S
    dataAll[1] = 0x53; // S
    dataAll[2] = 0x53; // S
    try {
      // inject it in the file
      Storage.getDatabase().setEntry(0, dataAll);
      Header.forceClearCache();
      Header.getHeader();
      assertTrue(false);
    } catch (StorageFileException ex) {
    }

    // fixed, version set
    dataAll[1] = 0x4D; // M
    dataAll[3] = (byte) version;
    Storage.getDatabase().setEntry(0, dataAll);
    Header.forceClearCache();
    Header header = null;
    try {
      header = Header.getHeader();
      assertEquals(indexFree, header.getIndexEmpty());
      assertEquals(indexConversation, header.getIndexConversations());
      assertEquals(version, header.getVersion());
    } catch (StorageFileException ex) {
      assertTrue(false);
    }
  }
Example #2
0
  public void testCreateData() throws StorageFileException, IOException, WrongKeyException {
    long indexFree = 25L;
    long indexConversation = 13L;
    int version = 32;

    Header header = Header.createHeader();
    header.setIndexEmpty(indexFree);
    header.setIndexConversations(indexConversation);
    header.setVersion(version);
    header.saveToFile();

    byte[] dataAll = Storage.getDatabase().getEntry(0);

    // chunk length
    assertEquals(dataAll.length, Storage.CHUNK_SIZE);

    // plain header
    assertEquals(dataAll[0], (byte) 0x53); // S
    assertEquals(dataAll[1], (byte) 0x4D); // M
    assertEquals(dataAll[2], (byte) 0x53); // S
    assertEquals(dataAll[3], (byte) version); // Version

    // decrypt the encoded part
    ByteBuffer buf = ByteBuffer.allocate(Storage.CHUNK_SIZE - 4);
    buf.put(dataAll, 4, Storage.CHUNK_SIZE - 4);
    byte[] dataPlain = Encryption.decryptSymmetric(buf.array(), Encryption.retreiveEncryptionKey());

    // check the indices
    assertEquals(
        LowLevel.getUnsignedInt(
            dataPlain, Storage.CHUNK_SIZE - 4 - Encryption.ENCRYPTION_OVERHEAD - 8),
        indexFree);
    assertEquals(
        LowLevel.getUnsignedInt(
            dataPlain, Storage.CHUNK_SIZE - 4 - Encryption.ENCRYPTION_OVERHEAD - 4),
        indexConversation);
  }