diff options
Diffstat (limited to 'cryptography/primitives/hashes.py')
| -rw-r--r-- | cryptography/primitives/hashes.py | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/cryptography/primitives/hashes.py b/cryptography/primitives/hashes.py index 06d90a90..e8c1f929 100644 --- a/cryptography/primitives/hashes.py +++ b/cryptography/primitives/hashes.py @@ -13,20 +13,24 @@ from __future__ import absolute_import, division, print_function +import abc + import binascii +import six + from cryptography.bindings import _default_api -class BaseHash(object): +class BaseHash(six.with_metaclass(abc.ABCMeta)): def __init__(self, api=None, ctx=None): if api is None: api = _default_api self._api = api self._ctx = self._api.create_hash_context(self) if ctx is None else ctx - def update(self, string): - self._api.update_hash_context(self._ctx, string) + def update(self, data): + self._api.update_hash_context(self._ctx, data) def copy(self): return self.__class__(ctx=self._copy_ctx()) @@ -82,3 +86,9 @@ class Whirlpool(BaseHash): name = "whirlpool" digest_size = 64 block_size = 64 + + +class MD5(BaseHash): + name = "md5" + digest_size = 16 + block_size = 64 |