rename add_data to authenticate_additional_data for clarity (hopefully)

3 files changed, 5 insertions, 5 deletions

diff --git a/cryptography/hazmat/bindings/openssl/backend.py b/cryptography/hazmat/bindings/openssl/backend.py
index 527706bc..1a534011 100644
--- a/cryptography/hazmat/bindings/openssl/backend.py
+++ b/cryptography/hazmat/bindings/openssl/backend.py
@@ -336,7 +336,7 @@ class _CipherContext(object):
         assert res == 1
         return self._backend.ffi.buffer(buf)[:outlen[0]]
 
-    def add_data(self, data):
+    def authenticate_additional_data(self, data):
         outlen = self._backend.ffi.new("int *")
         res = self._backend.lib.EVP_CipherUpdate(
             self._ctx, self._backend.ffi.NULL, outlen, data, len(data)
diff --git a/cryptography/hazmat/primitives/ciphers/base.py b/cryptography/hazmat/primitives/ciphers/base.py
index 7c315898..c8c4533b 100644
--- a/cryptography/hazmat/primitives/ciphers/base.py
+++ b/cryptography/hazmat/primitives/ciphers/base.py
@@ -98,12 +98,12 @@ class _AEADCipherContext(object):
         self._ctx = None
         return data
 
-    def add_data(self, data):
+    def authenticate_additional_data(self, data):
         if self._ctx is None:
             raise AlreadyFinalized("Context was already finalized")
         if self._updated:
             raise AlreadyUpdated("Update has been called on this context")
-        self._ctx.add_data(data)
+        self._ctx.authenticate_additional_data(data)
 
     @property
     def tag(self):
diff --git a/cryptography/hazmat/primitives/interfaces.py b/cryptography/hazmat/primitives/interfaces.py
index f216686a..c0548dfd 100644
--- a/cryptography/hazmat/primitives/interfaces.py
+++ b/cryptography/hazmat/primitives/interfaces.py
@@ -86,9 +86,9 @@ class AEADCipherContext(six.with_metaclass(abc.ABCMeta)):
         """
 
     @abc.abstractmethod
-    def add_data(self, data):
+    def authenticate_additional_data(self, data):
         """
-        add_data takes bytes and returns nothing.
+        authenticate_additional_data takes bytes and returns nothing.
         """