diff options
Diffstat (limited to 'src/cryptography/hazmat/primitives/asymmetric/padding.py')
| -rw-r--r-- | src/cryptography/hazmat/primitives/asymmetric/padding.py | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/src/cryptography/hazmat/primitives/asymmetric/padding.py b/src/cryptography/hazmat/primitives/asymmetric/padding.py index d0c3eade..c796d8e4 100644 --- a/src/cryptography/hazmat/primitives/asymmetric/padding.py +++ b/src/cryptography/hazmat/primitives/asymmetric/padding.py @@ -4,18 +4,29 @@ from __future__ import absolute_import, division, print_function +import abc + import six from cryptography import utils -from cryptography.hazmat.primitives import hashes, interfaces +from cryptography.hazmat.primitives import hashes + + +@six.add_metaclass(abc.ABCMeta) +class AsymmetricPadding(object): + @abc.abstractproperty + def name(self): + """ + A string naming this padding (e.g. "PSS", "PKCS1"). + """ -@utils.register_interface(interfaces.AsymmetricPadding) +@utils.register_interface(AsymmetricPadding) class PKCS1v15(object): name = "EMSA-PKCS1-v1_5" -@utils.register_interface(interfaces.AsymmetricPadding) +@utils.register_interface(AsymmetricPadding) class PSS(object): MAX_LENGTH = object() name = "EMSA-PSS" @@ -33,7 +44,7 @@ class PSS(object): self._salt_length = salt_length -@utils.register_interface(interfaces.AsymmetricPadding) +@utils.register_interface(AsymmetricPadding) class OAEP(object): name = "EME-OAEP" |