Source code for plaso.analyzers.hashers.interface

# -*- coding: utf-8 -*-
"""The hasher interface."""

import abc

[docs]class BaseHasher(object): """Base class for objects that calculate hashes.""" NAME = 'base_hasher' ATTRIBUTE_NAME = 'hash' DESCRIPTION = 'Calculates a digest hash over input data.' # pylint: disable=redundant-returns-doc
[docs] @abc.abstractmethod def GetStringDigest(self): """Retrieves the digest of the hash function expressed as a Unicode string. Returns: str: string hash digest calculated over the data blocks passed to Update(). The string consists of printable Unicode characters. """
# pylint: disable=redundant-returns-doc
[docs] @abc.abstractmethod def Update(self, data): """Updates the current state of the hasher with a new block of data. Repeated calls to update are equivalent to one single call with the concatenation of the arguments. Args: data (bytes): data with which to update the context of the hasher. """