Merge branch 'master' into primitive-hashes

1 files changed, 116 insertions, 0 deletions

diff --git a/tests/hazmat/primitives/test_3des.py b/tests/hazmat/primitives/test_3des.py
new file mode 100644
index 00000000..6b3e0414
--- /dev/null
+++ b/tests/hazmat/primitives/test_3des.py
@@ -0,0 +1,116 @@
+# 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.
+
+"""
+Test using the NIST Test Vectors
+"""
+
+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 TestTripleDES_CBC(object):
+    test_KAT = generate_encrypt_test(
+        lambda path: load_nist_vectors_from_file(path, "ENCRYPT"),
+        os.path.join("ciphers", "3DES", "CBC"),
+        [
+            "TCBCinvperm.rsp",
+            "TCBCpermop.rsp",
+            "TCBCsubtab.rsp",
+            "TCBCvarkey.rsp",
+            "TCBCvartext.rsp",
+        ],
+        lambda keys, iv: ciphers.TripleDES(binascii.unhexlify(keys)),
+        lambda keys, iv: modes.CBC(binascii.unhexlify(iv)),
+    )
+
+    test_MMT = generate_encrypt_test(
+        lambda path: load_nist_vectors_from_file(path, "ENCRYPT"),
+        os.path.join("ciphers", "3DES", "CBC"),
+        [
+            "TCBCMMT1.rsp",
+            "TCBCMMT2.rsp",
+            "TCBCMMT3.rsp",
+        ],
+        lambda key1, key2, key3, iv: (
+            ciphers.TripleDES(binascii.unhexlify(key1 + key2 + key3))
+        ),
+        lambda key1, key2, key3, iv: modes.CBC(binascii.unhexlify(iv)),
+    )
+
+
+class TestTripleDES_OFB(object):
+    test_KAT = generate_encrypt_test(
+        lambda path: load_nist_vectors_from_file(path, "ENCRYPT"),
+        os.path.join("ciphers", "3DES", "OFB"),
+        [
+            "TOFBpermop.rsp",
+            "TOFBsubtab.rsp",
+            "TOFBvarkey.rsp",
+            "TOFBvartext.rsp",
+            "TOFBinvperm.rsp",
+        ],
+        lambda keys, iv: ciphers.TripleDES(binascii.unhexlify(keys)),
+        lambda keys, iv: modes.OFB(binascii.unhexlify(iv)),
+    )
+
+    test_MMT = generate_encrypt_test(
+        lambda path: load_nist_vectors_from_file(path, "ENCRYPT"),
+        os.path.join("ciphers", "3DES", "OFB"),
+        [
+            "TOFBMMT1.rsp",
+            "TOFBMMT2.rsp",
+            "TOFBMMT3.rsp",
+        ],
+        lambda key1, key2, key3, iv: (
+            ciphers.TripleDES(binascii.unhexlify(key1 + key2 + key3))
+        ),
+        lambda key1, key2, key3, iv: modes.OFB(binascii.unhexlify(iv)),
+    )
+
+
+class TestTripleDES_CFB(object):
+    test_KAT = generate_encrypt_test(
+        lambda path: load_nist_vectors_from_file(path, "ENCRYPT"),
+        os.path.join("ciphers", "3DES", "CFB"),
+        [
+            "TCFB64invperm.rsp",
+            "TCFB64permop.rsp",
+            "TCFB64subtab.rsp",
+            "TCFB64varkey.rsp",
+            "TCFB64vartext.rsp",
+        ],
+        lambda keys, iv: ciphers.TripleDES(binascii.unhexlify(keys)),
+        lambda keys, iv: modes.CFB(binascii.unhexlify(iv)),
+    )
+
+    test_MMT = generate_encrypt_test(
+        lambda path: load_nist_vectors_from_file(path, "ENCRYPT"),
+        os.path.join("ciphers", "3DES", "CFB"),
+        [
+            "TCFB64MMT1.rsp",
+            "TCFB64MMT2.rsp",
+            "TCFB64MMT3.rsp",
+        ],
+        lambda key1, key2, key3, iv: (
+            ciphers.TripleDES(binascii.unhexlify(key1 + key2 + key3))
+        ),
+        lambda key1, key2, key3, iv: modes.CFB(binascii.unhexlify(iv)),
+    )