From c5833bfcad56fe44e30455dc037c2874e425b241 Mon Sep 17 00:00:00 2001
From: Paul Kehrer <paul.l.kehrer@gmail.com>
Date: Sun, 20 Oct 2013 22:11:04 -0500
Subject: Add HMAC bindings

---
 cryptography/bindings/openssl/api.py  |  1 +
 cryptography/bindings/openssl/hmac.py | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 cryptography/bindings/openssl/hmac.py

diff --git a/cryptography/bindings/openssl/api.py b/cryptography/bindings/openssl/api.py
index f5e042e7..12082c09 100644
--- a/cryptography/bindings/openssl/api.py
+++ b/cryptography/bindings/openssl/api.py
@@ -35,6 +35,7 @@ class API(object):
         "engine",
         "err",
         "evp",
+        "hmac",
         "nid",
         "opensslv",
         "pem",
diff --git a/cryptography/bindings/openssl/hmac.py b/cryptography/bindings/openssl/hmac.py
new file mode 100644
index 00000000..7a9d05b5
--- /dev/null
+++ b/cryptography/bindings/openssl/hmac.py
@@ -0,0 +1,33 @@
+# 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.
+
+INCLUDES = """
+#include <openssl/hmac.h>
+"""
+
+TYPES = """
+struct hmac_ctx_st { ...; };
+typedef struct hmac_ctx_st HMAC_CTX;
+"""
+
+FUNCTIONS = """
+void HMAC_CTX_init(HMAC_CTX *);
+void HMAC_CTX_cleanup(HMAC_CTX *);
+int HMAC_Init_ex(HMAC_CTX *, const void *, int, const EVP_MD *, ENGINE *);
+int HMAC_Update(HMAC_CTX *, const unsigned char *, size_t);
+int HMAC_Final(HMAC_CTX *, unsigned char *, unsigned int *);
+int HMAC_CTX_copy(HMAC_CTX *, HMAC_CTX *);
+"""
+
+MACROS = """
+"""
-- 
cgit v1.2.3


From 02cd1fc7c4d5722c78ec1f586044ff21dea98975 Mon Sep 17 00:00:00 2001
From: Paul Kehrer <paul.l.kehrer@gmail.com>
Date: Sun, 20 Oct 2013 22:36:32 -0500
Subject: simplify HMAC_CTX typedef

---
 cryptography/bindings/openssl/hmac.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/cryptography/bindings/openssl/hmac.py b/cryptography/bindings/openssl/hmac.py
index 7a9d05b5..e97ac35e 100644
--- a/cryptography/bindings/openssl/hmac.py
+++ b/cryptography/bindings/openssl/hmac.py
@@ -16,8 +16,7 @@ INCLUDES = """
 """
 
 TYPES = """
-struct hmac_ctx_st { ...; };
-typedef struct hmac_ctx_st HMAC_CTX;
+typedef struct { ...; } HMAC_CTX;
 """
 
 FUNCTIONS = """
-- 
cgit v1.2.3