blowfish support + test vectors

Vectors sourced from https://www.schneier.com/code/vectors.txt but
reformatted to comply with our NIST loader

1 files changed, 56 insertions, 0 deletions

diff --git a/tests/hazmat/primitives/test_blowfish.py b/tests/hazmat/primitives/test_blowfish.py
new file mode 100644
index 00000000..64ce5175
--- /dev/null
+++ b/tests/hazmat/primitives/test_blowfish.py
@@ -0,0 +1,56 @@
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from __future__ import absolute_import, division, print_function
+
+import binascii
+import os
+
+from cryptography.hazmat.primitives.block import ciphers, modes
+
+from .utils import generate_encrypt_test
+from ...utils import load_nist_vectors_from_file
+
+
+class TestBlowfish(object):
+    test_ECB = generate_encrypt_test(
+        lambda path: load_nist_vectors_from_file(path, "ENCRYPT"),
+        os.path.join("ciphers", "Blowfish"),
+        ["bf-ecb.txt"],
+        lambda key: ciphers.Blowfish(binascii.unhexlify(key)),
+        lambda key: modes.ECB(),
+    )
+
+    test_CBC = generate_encrypt_test(
+        lambda path: load_nist_vectors_from_file(path, "ENCRYPT"),
+        os.path.join("ciphers", "Blowfish"),
+        ["bf-cbc.txt"],
+        lambda key, iv: ciphers.Blowfish(binascii.unhexlify(key)),
+        lambda key, iv: modes.CBC(binascii.unhexlify(iv)),
+    )
+
+    test_OFB = generate_encrypt_test(
+        lambda path: load_nist_vectors_from_file(path, "ENCRYPT"),
+        os.path.join("ciphers", "Blowfish"),
+        ["bf-ofb.txt"],
+        lambda key, iv: ciphers.Blowfish(binascii.unhexlify(key)),
+        lambda key, iv: modes.OFB(binascii.unhexlify(iv)),
+    )
+
+    test_CFB = generate_encrypt_test(
+        lambda path: load_nist_vectors_from_file(path, "ENCRYPT"),
+        os.path.join("ciphers", "Blowfish"),
+        ["bf-cfb.txt"],
+        lambda key, iv: ciphers.Blowfish(binascii.unhexlify(key)),
+        lambda key, iv: modes.CFB(binascii.unhexlify(iv)),
+    )