re-add base.py

1 files changed, 0 insertions, 44 deletions

diff --git a/cryptography/hazmat/primitives/ciphers/algorithms.py b/cryptography/hazmat/primitives/ciphers/algorithms.py
index 56dca216..8046bd26 100644
--- a/cryptography/hazmat/primitives/ciphers/algorithms.py
+++ b/cryptography/hazmat/primitives/ciphers/algorithms.py
@@ -13,50 +13,6 @@
 
 from __future__ import absolute_import, division, print_function
 
-from cryptography.hazmat.primitives import interfaces
-
-
-class Cipher(object):
-    def __init__(self, algorithm, mode, backend=None):
-        super(Cipher, self).__init__()
-
-        if backend is None:
-            from cryptography.hazmat.bindings import (
-                _default_backend as backend,
-            )
-
-        self.algorithm = algorithm
-        self.mode = mode
-        self._backend = backend
-
-    def encryptor(self):
-        return _CipherContext(
-            self._backend.ciphers.create_encrypt_ctx(self.algorithm,
-                                                     self.mode))
-
-    def decryptor(self):
-        return _CipherContext(
-            self._backend.ciphers.create_decrypt_ctx(self.algorithm,
-                                                     self.mode))
-
-
-@interfaces.register(interfaces.CipherContext)
-class _CipherContext(object):
-    def __init__(self, ctx):
-        self._ctx = ctx
-
-    def update(self, data):
-        if self._ctx is None:
-            raise ValueError("Context was already finalized")
-        return self._ctx.update(data)
-
-    def finalize(self):
-        if self._ctx is None:
-            raise ValueError("Context was already finalized")
-        data = self._ctx.finalize()
-        self._ctx = None
-        return data
-
 
 class AES(object):
     name = "AES"