HMAC support

Conflicts:
	docs/primitives/index.rst
	tests/hazmat/primitives/utils.py

1 files changed, 114 insertions, 0 deletions

diff --git a/tests/hazmat/primitives/test_hmac_vectors.py b/tests/hazmat/primitives/test_hmac_vectors.py
new file mode 100644
index 00000000..0754ab5e
--- /dev/null
+++ b/tests/hazmat/primitives/test_hmac_vectors.py
@@ -0,0 +1,114 @@
+# 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 os
+
+from cryptography.hazmat.primitives import hashes
+
+from .utils import generate_hmac_test
+from ...utils import load_hash_vectors_from_file
+
+
+#TODO: find HMAC whirlpool vectors?
+
+class TestHMAC_MD5(object):
+    test_hmac_md5 = generate_hmac_test(
+        load_hash_vectors_from_file,
+        os.path.join("RFC", "HMAC"),
+        [
+            "rfc-2202-md5.txt",
+        ],
+        hashes.MD5,
+        only_if=lambda backend: backend.hashes.supported(hashes.MD5),
+        skip_message="Does not support MD5",
+    )
+
+
+class TestHMAC_SHA1(object):
+    test_hmac_sha1 = generate_hmac_test(
+        load_hash_vectors_from_file,
+        os.path.join("RFC", "HMAC"),
+        [
+            "rfc-2202-sha1.txt",
+        ],
+        hashes.SHA1,
+        only_if=lambda backend: backend.hashes.supported(hashes.SHA1),
+        skip_message="Does not support SHA1",
+    )
+
+
+class TestHMAC_SHA224(object):
+    test_hmac_sha224 = generate_hmac_test(
+        load_hash_vectors_from_file,
+        os.path.join("RFC", "HMAC"),
+        [
+            "rfc-4231-sha224.txt",
+        ],
+        hashes.SHA224,
+        only_if=lambda backend: backend.hashes.supported(hashes.SHA224),
+        skip_message="Does not support SHA224",
+    )
+
+
+class TestHMAC_SHA256(object):
+    test_hmac_sha256 = generate_hmac_test(
+        load_hash_vectors_from_file,
+        os.path.join("RFC", "HMAC"),
+        [
+            "rfc-4231-sha256.txt",
+        ],
+        hashes.SHA256,
+        only_if=lambda backend: backend.hashes.supported(hashes.SHA256),
+        skip_message="Does not support SHA256",
+    )
+
+
+class TestHMAC_SHA384(object):
+    test_hmac_sha384 = generate_hmac_test(
+        load_hash_vectors_from_file,
+        os.path.join("RFC", "HMAC"),
+        [
+            "rfc-4231-sha384.txt",
+        ],
+        hashes.SHA384,
+        only_if=lambda backend: backend.hashes.supported(hashes.SHA384),
+        skip_message="Does not support SHA384",
+    )
+
+
+class TestHMAC_SHA512(object):
+    test_hmac_sha512 = generate_hmac_test(
+        load_hash_vectors_from_file,
+        os.path.join("RFC", "HMAC"),
+        [
+            "rfc-4231-sha512.txt",
+        ],
+        hashes.SHA512,
+        only_if=lambda backend: backend.hashes.supported(hashes.SHA512),
+        skip_message="Does not support SHA512",
+    )
+
+
+class TestHMAC_RIPEMD160(object):
+    test_hmac_ripemd160 = generate_hmac_test(
+        load_hash_vectors_from_file,
+        os.path.join("RFC", "HMAC"),
+        [
+            "rfc-2286-ripemd160.txt",
+        ],
+        hashes.RIPEMD160,
+        only_if=lambda backend: backend.hashes.supported(hashes.RIPEMD160),
+        skip_message="Does not support RIPEMD160",
+    )