Cross Reference: /fuchsia/zircon/third_party/tools/android/avb/avbtool

643   # These are formats and offset of just the |total_chunks| and
700     # Find the smallest offset where only "Don't care" chunks
703     offset = 0
755       offset += chunk_sz
762     if self._num_total_blocks != offset:
764                        'but we saw {}'.format(self._num_total_blocks, offset))
884   def seek(self, offset):
888       offset: Offset to seek to from the beginning of the file.
890     if offset < 0:
891       raise RuntimeError("Seeking with negative offset: %d" % offset)
892     self._file_pos = offset
1215                    'Q'  # tree offset (bytes)
1220                    'Q'  # FEC offset (bytes)
1300     o.write('      FEC offset:            {}\n'.format(self.fec_offset))
1856                    '2Q'  # offset, size (hash)
1857                    '2Q'  # offset, size (signature)
1858                    '2Q'  # offset, size (public key)
1859                    '2Q'  # offset, size (public key metadata)
1860                    '2Q'  # offset, size (descriptors)
2154       o.write('VBMeta offset:            {}\n'.format(footer.vbmeta_offset))
2218     offset = 0
2220       offset = footer.vbmeta_offset
2222     image.seek(offset)
2232       # The embedded public key is in the auxiliary block at an offset.
2284     offset = 0
2286       offset = footer.vbmeta_offset
2289     image.seek(offset)
2460       # the FEC data, it's the same as the offset.
2774     # For the Auxiliary data block, descriptors are stored at offset 0,
2792     # Signature offset and size - it's stored right after the hash
3587     offset = 0
3589       offset += level_sizes[m]
3590     level_offsets.append(offset)
3687         offset = hash_level_offsets[level_num - 1] + hash_src_size - remaining
3688         data = hash_ret[offset:offset + block_size]
3703     offset = hash_level_offsets[level_num]
3704     hash_ret[offset:offset + len(level_output)] = level_output