remove CAST5 for first release

2 files changed, 1 insertions, 21 deletions

diff --git a/cryptography/hazmat/backends/openssl/backend.py b/cryptography/hazmat/backends/openssl/backend.py
index 49066466..284fa989 100644
--- a/cryptography/hazmat/backends/openssl/backend.py
+++ b/cryptography/hazmat/backends/openssl/backend.py
@@ -22,7 +22,7 @@ from cryptography.hazmat.backends.interfaces import (
 )
 from cryptography.hazmat.primitives import interfaces
 from cryptography.hazmat.primitives.ciphers.algorithms import (
-    AES, Blowfish, Camellia, CAST5, TripleDES, ARC4,
+    AES, Blowfish, Camellia, TripleDES, ARC4,
 )
 from cryptography.hazmat.primitives.ciphers.modes import (
     CBC, CTR, ECB, OFB, CFB, GCM,
@@ -108,11 +108,6 @@ class Backend(object):
                 GetCipherByName("bf-{mode.name}")
             )
         self.register_cipher_adapter(
-            CAST5,
-            ECB,
-            GetCipherByName("cast5-ecb")
-        )
-        self.register_cipher_adapter(
             ARC4,
             type(None),
             GetCipherByName("rc4")
diff --git a/cryptography/hazmat/primitives/ciphers/algorithms.py b/cryptography/hazmat/primitives/ciphers/algorithms.py
index a5cfce92..19cf1920 100644
--- a/cryptography/hazmat/primitives/ciphers/algorithms.py
+++ b/cryptography/hazmat/primitives/ciphers/algorithms.py
@@ -90,21 +90,6 @@ class Blowfish(object):
         return len(self.key) * 8
 
 
-@utils.register_interface(interfaces.BlockCipherAlgorithm)
-@utils.register_interface(interfaces.CipherAlgorithm)
-class CAST5(object):
-    name = "CAST5"
-    block_size = 64
-    key_sizes = frozenset(range(40, 129, 8))
-
-    def __init__(self, key):
-        self.key = _verify_key_size(self, key)
-
-    @property
-    def key_size(self):
-        return len(self.key) * 8
-
-
 @utils.register_interface(interfaces.CipherAlgorithm)
 class ARC4(object):
     name = "RC4"