diff options
| author | Xusheng <xusheng@vector35.com> | 2021-07-01 12:34:30 +0800 |
|---|---|---|
| committer | Xusheng Li <xushengli@protonmail.com> | 2021-07-05 10:11:47 +0800 |
| commit | 13ff200ba134b8704f37eca99c42b70dab0d17dc (patch) | |
| tree | 876b3db3c53f704b31152aeaede1f2edc9d27b24 /python/examples/kaitai/luks.py | |
| parent | 4039a800349dcd587833d3e27d9137e4649818f4 (diff) | |
Remove snippet and kaitai plugin. Note their individual links.
Diffstat (limited to 'python/examples/kaitai/luks.py')
| -rw-r--r-- | python/examples/kaitai/luks.py | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/python/examples/kaitai/luks.py b/python/examples/kaitai/luks.py deleted file mode 100644 index 90ca7cd7..00000000 --- a/python/examples/kaitai/luks.py +++ /dev/null @@ -1,144 +0,0 @@ -# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild - -from pkg_resources import parse_version -from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO -import collections -from enum import Enum - - -if parse_version(ks_version) < parse_version('0.7'): - raise Exception("Incompatible Kaitai Struct Python API: 0.7 or later is required, but you have %s" % (ks_version)) - -class Luks(KaitaiStruct): - """Linux Unified Key Setup (LUKS) is a format specification for storing disk - encryption parameters and up to 8 user keys (which can unlock the master key). - - .. seealso:: - Source - https://gitlab.com/cryptsetup/cryptsetup/wikis/LUKS-standard/on-disk-format.pdf - """ - SEQ_FIELDS = ["partition_header"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['partition_header']['start'] = self._io.pos() - self.partition_header = self._root.PartitionHeader(self._io, self, self._root) - self.partition_header._read() - self._debug['partition_header']['end'] = self._io.pos() - - class PartitionHeader(KaitaiStruct): - SEQ_FIELDS = ["magic", "version", "cipher_name_specification", "cipher_mode_specification", "hash_specification", "payload_offset", "number_of_key_bytes", "master_key_checksum", "master_key_salt_parameter", "master_key_iterations_parameter", "uuid", "key_slots"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['magic']['start'] = self._io.pos() - self.magic = self._io.ensure_fixed_contents(b"\x4C\x55\x4B\x53\xBA\xBE") - self._debug['magic']['end'] = self._io.pos() - self._debug['version']['start'] = self._io.pos() - self.version = self._io.ensure_fixed_contents(b"\x00\x01") - self._debug['version']['end'] = self._io.pos() - self._debug['cipher_name_specification']['start'] = self._io.pos() - self.cipher_name_specification = (self._io.read_bytes(32)).decode(u"ASCII") - self._debug['cipher_name_specification']['end'] = self._io.pos() - self._debug['cipher_mode_specification']['start'] = self._io.pos() - self.cipher_mode_specification = (self._io.read_bytes(32)).decode(u"ASCII") - self._debug['cipher_mode_specification']['end'] = self._io.pos() - self._debug['hash_specification']['start'] = self._io.pos() - self.hash_specification = (self._io.read_bytes(32)).decode(u"ASCII") - self._debug['hash_specification']['end'] = self._io.pos() - self._debug['payload_offset']['start'] = self._io.pos() - self.payload_offset = self._io.read_u4be() - self._debug['payload_offset']['end'] = self._io.pos() - self._debug['number_of_key_bytes']['start'] = self._io.pos() - self.number_of_key_bytes = self._io.read_u4be() - self._debug['number_of_key_bytes']['end'] = self._io.pos() - self._debug['master_key_checksum']['start'] = self._io.pos() - self.master_key_checksum = self._io.read_bytes(20) - self._debug['master_key_checksum']['end'] = self._io.pos() - self._debug['master_key_salt_parameter']['start'] = self._io.pos() - self.master_key_salt_parameter = self._io.read_bytes(32) - self._debug['master_key_salt_parameter']['end'] = self._io.pos() - self._debug['master_key_iterations_parameter']['start'] = self._io.pos() - self.master_key_iterations_parameter = self._io.read_u4be() - self._debug['master_key_iterations_parameter']['end'] = self._io.pos() - self._debug['uuid']['start'] = self._io.pos() - self.uuid = (self._io.read_bytes(40)).decode(u"ASCII") - self._debug['uuid']['end'] = self._io.pos() - self._debug['key_slots']['start'] = self._io.pos() - self.key_slots = [None] * (8) - for i in range(8): - if not 'arr' in self._debug['key_slots']: - self._debug['key_slots']['arr'] = [] - self._debug['key_slots']['arr'].append({'start': self._io.pos()}) - _t_key_slots = self._root.PartitionHeader.KeySlot(self._io, self, self._root) - _t_key_slots._read() - self.key_slots[i] = _t_key_slots - self._debug['key_slots']['arr'][i]['end'] = self._io.pos() - - self._debug['key_slots']['end'] = self._io.pos() - - class KeySlot(KaitaiStruct): - - class KeySlotStates(Enum): - disabled_key_slot = 57005 - enabled_key_slot = 11301363 - SEQ_FIELDS = ["state_of_key_slot", "iteration_parameter", "salt_parameter", "start_sector_of_key_material", "number_of_anti_forensic_stripes"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['state_of_key_slot']['start'] = self._io.pos() - self.state_of_key_slot = KaitaiStream.resolve_enum(self._root.PartitionHeader.KeySlot.KeySlotStates, self._io.read_u4be()) - self._debug['state_of_key_slot']['end'] = self._io.pos() - self._debug['iteration_parameter']['start'] = self._io.pos() - self.iteration_parameter = self._io.read_u4be() - self._debug['iteration_parameter']['end'] = self._io.pos() - self._debug['salt_parameter']['start'] = self._io.pos() - self.salt_parameter = self._io.read_bytes(32) - self._debug['salt_parameter']['end'] = self._io.pos() - self._debug['start_sector_of_key_material']['start'] = self._io.pos() - self.start_sector_of_key_material = self._io.read_u4be() - self._debug['start_sector_of_key_material']['end'] = self._io.pos() - self._debug['number_of_anti_forensic_stripes']['start'] = self._io.pos() - self.number_of_anti_forensic_stripes = self._io.read_u4be() - self._debug['number_of_anti_forensic_stripes']['end'] = self._io.pos() - - @property - def key_material(self): - if hasattr(self, '_m_key_material'): - return self._m_key_material if hasattr(self, '_m_key_material') else None - - _pos = self._io.pos() - self._io.seek((self.start_sector_of_key_material * 512)) - self._debug['_m_key_material']['start'] = self._io.pos() - self._m_key_material = self._io.read_bytes((self._parent.number_of_key_bytes * self.number_of_anti_forensic_stripes)) - self._debug['_m_key_material']['end'] = self._io.pos() - self._io.seek(_pos) - return self._m_key_material if hasattr(self, '_m_key_material') else None - - - - @property - def payload(self): - if hasattr(self, '_m_payload'): - return self._m_payload if hasattr(self, '_m_payload') else None - - _pos = self._io.pos() - self._io.seek((self.partition_header.payload_offset * 512)) - self._debug['_m_payload']['start'] = self._io.pos() - self._m_payload = self._io.read_bytes_full() - self._debug['_m_payload']['end'] = self._io.pos() - self._io.seek(_pos) - return self._m_payload if hasattr(self, '_m_payload') else None - - |
