small digest cleanup

1 files changed, 5 insertions, 7 deletions

diff --git a/wsgitools/digest.py b/wsgitools/digest.py
index 1339fbb..d85ea39 100755
--- a/wsgitools/digest.py
+++ b/wsgitools/digest.py
@@ -433,19 +433,17 @@ class AuthDigestMiddleware:
         a1h = self.gentoken(username, algo)
         if a1h is None:
             raise ValueError
-        a2 = "%s:%s" % (reqmethod, uri)
-        a2h = self.algorithms[algo](a2)
+        a2h = self.algorithms[algo]("%s:%s" % (reqmethod, uri))
         qop = credentials.get("qop", None)
         if qop is None:
             dig = ":".join((a1h, nonce, a2h))
         else:
-            nc = credentials["nc"] # raises KeyError
-            cnonce = credentials["cnonce"] # raises KeyError
             if qop != "auth":
                 return ValueError
-            dig =  ":".join((a1h, nonce, nc, cnonce, qop, a2h))
-        digh = self.algorithms[algo](dig)
-        return digh
+            # raises KeyError
+            dig =  ":".join((a1h, nonce, credentials["nc"],
+                             credentials["cnonce"], qop, a2h))
+        return self.algorithms[algo](dig)
 
     def authorization_required(self, environ, start_response, stale=False):
         """internal method implementing wsgi interface, serving 401 page"""