1 files changed, 48 insertions, 0 deletions
diff --git a/src/cryptography/hazmat/bindings/commoncrypto/common_hmac.py b/src/cryptography/hazmat/bindings/commoncrypto/common_hmac.py
new file mode 100644
index 00000000..4f54b62b
--- /dev/null
+++ b/src/cryptography/hazmat/bindings/commoncrypto/common_hmac.py
@@ -0,0 +1,48 @@
+# 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
+
+INCLUDES = """
+#include <CommonCrypto/CommonHMAC.h>
+"""
+
+TYPES = """
+typedef struct {
+    ...;
+} CCHmacContext;
+enum {
+    kCCHmacAlgSHA1,
+    kCCHmacAlgMD5,
+    kCCHmacAlgSHA256,
+    kCCHmacAlgSHA384,
+    kCCHmacAlgSHA512,
+    kCCHmacAlgSHA224
+};
+typedef uint32_t CCHmacAlgorithm;
+"""
+
+FUNCTIONS = """
+void CCHmacInit(CCHmacContext *, CCHmacAlgorithm, const void *, size_t);
+void CCHmacUpdate(CCHmacContext *, const void *, size_t);
+void CCHmacFinal(CCHmacContext *, void *);
+
+"""
+
+MACROS = """
+"""
+
+CUSTOMIZATIONS = """
+"""
+
+CONDITIONAL_NAMES = {}