Merge pull request #497 from reaperhulk/pbkdf2-commoncrypto-bindings

Add CommonCrypto PBKDF2 bindings

2 files changed, 49 insertions, 0 deletions

diff --git a/cryptography/hazmat/bindings/commoncrypto/binding.py b/cryptography/hazmat/bindings/commoncrypto/binding.py
index a5a0dca8..45c0eaad 100644
--- a/cryptography/hazmat/bindings/commoncrypto/binding.py
+++ b/cryptography/hazmat/bindings/commoncrypto/binding.py
@@ -26,6 +26,7 @@ class Binding(object):
     _modules = [
         "common_digest",
         "common_hmac",
+        "common_key_derivation",
         "common_cryptor",
     ]
 
diff --git a/cryptography/hazmat/bindings/commoncrypto/common_key_derivation.py b/cryptography/hazmat/bindings/commoncrypto/common_key_derivation.py
new file mode 100644
index 00000000..85def1e9
--- /dev/null
+++ b/cryptography/hazmat/bindings/commoncrypto/common_key_derivation.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.
+
+INCLUDES = """
+#include <CommonCrypto/CommonKeyDerivation.h>
+"""
+
+TYPES = """
+enum {
+    kCCPBKDF2 = 2,
+};
+typedef uint32_t CCPBKDFAlgorithm;
+enum {
+    kCCPRFHmacAlgSHA1 = 1,
+    kCCPRFHmacAlgSHA224 = 2,
+    kCCPRFHmacAlgSHA256 = 3,
+    kCCPRFHmacAlgSHA384 = 4,
+    kCCPRFHmacAlgSHA512 = 5,
+};
+typedef uint32_t CCPseudoRandomAlgorithm;
+typedef unsigned int uint;
+"""
+
+FUNCTIONS = """
+int CCKeyDerivationPBKDF(CCPBKDFAlgorithm, const char *, size_t,
+                         const uint8_t *, size_t, CCPseudoRandomAlgorithm,
+                         uint, uint8_t *, size_t);
+uint CCCalibratePBKDF(CCPBKDFAlgorithm, size_t, size_t,
+                      CCPseudoRandomAlgorithm, size_t, uint32_t);
+"""
+
+MACROS = """
+"""
+
+CUSTOMIZATIONS = """
+"""
+
+CONDITIONAL_NAMES = {}