Simplified exception message

1 files changed, 2 insertions, 8 deletions

diff --git a/cryptography/hazmat/primitives/cmac.py b/cryptography/hazmat/primitives/cmac.py
index cc8e8f2c..b01c5170 100644
--- a/cryptography/hazmat/primitives/cmac.py
+++ b/cryptography/hazmat/primitives/cmac.py
@@ -48,10 +48,7 @@ class CMAC(object):
         if self._ctx is None:
             raise AlreadyFinalized("Context was already finalized")
         if not isinstance(data, six.binary_type):
-            raise TypeError(
-                "data must be binary type. This is str in Python 2 and bytes "
-                "in Python 3"
-            )
+            raise TypeError("data must be bytes")
         self._ctx.update(data)
 
     def finalize(self):
@@ -63,10 +60,7 @@ class CMAC(object):
 
     def verify(self, signature):
         if not isinstance(signature, six.binary_type):
-            raise TypeError(
-                "signature must be binary type. This is str in Python 2 and "
-                "bytes in Python 3"
-            )
+            raise TypeError("signature must be bytes")
         digest = self.finalize()
         if not constant_time.bytes_eq(digest, signature):
             raise InvalidSignature("Signature did not match digest.")