private List<ISimpleInArchiveItem> getEncryptedItemsWithoutPasswords()
			throws SevenZipException {
		List<ISimpleInArchiveItem> result = new LinkedList<>();
		for (ISimpleInArchiveItem item : items) {
			if (item.isEncrypted() && !passwords.containsKey(item.getItemIndex())) {
				result.add(item);
			}
		}
		return result;
	}
Opens the specified sevenzip container file and initializes this file system with the
contents.

@param byteProvider container file 
@param monitor {@link TaskMonitor} to allow the user to monitor and cancel
@throws CancelledException if user cancels
@throws IOException if error when reading data
Ghidra/Features/FileFormats/src/main/java/ghidra/file/formats/sevenzip/SevenZipFileSystem.java