None algorithm now converts empty string to None prior to validation

jpadilla · Mar 17, 2015 · 75ab144 · 75ab144
1 parent 3e59fe6
commit 75ab144
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/jwt/algorithms.py b/jwt/algorithms.py
@@ -69,6 +69,9 @@ class NoneAlgorithm(Algorithm):
     operations are required.
     """
     def prepare_key(self, key):
+        if key == '':
+            key = None
+
         if key is not None:
             raise InvalidKeyError('When alg = "none", key value must be None.')