Fixed a couple of anomalies after the last rebase.

1 files changed, 0 insertions, 27 deletions

diff --git a/jwt/utils.py b/jwt/utils.py
index 6e3cfb9..e6c1ef3 100644
--- a/jwt/utils.py
+++ b/jwt/utils.py
@@ -1,6 +1,4 @@
 import base64
-import hmac
-import sys
 
 
 def base64url_decode(input):
@@ -14,28 +12,3 @@ def base64url_decode(input):
 
 def base64url_encode(input):
     return base64.urlsafe_b64encode(input).replace(b'=', b'')
-
-try:
-    constant_time_compare = hmac.compare_digest
-except AttributeError:
-    # Fallback for Python < 2.7.7 and Python < 3.3
-    def constant_time_compare(val1, val2):
-        """
-        Returns True if the two strings are equal, False otherwise.
-
-        The time taken is independent of the number of characters that match.
-        """
-        if len(val1) != len(val2):
-            return False
-
-        result = 0
-
-        if sys.version_info >= (3, 0, 0):
-            # Bytes are numbers
-            for x, y in zip(val1, val2):
-                result |= x ^ y
-        else:
-            for x, y in zip(val1, val2):
-                result |= ord(x) ^ ord(y)
-
-        return result == 0