From e0a2e9588bcaf8d003fcf6767f46c235ddf175a8 Mon Sep 17 00:00:00 2001
From: "Stuart D. Gathman" <stuart@spidey2>
Date: Tue, 12 Jun 2012 23:10:10 -0400
Subject: [PATCH] Save signature fields earlier.

---
 dkim/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dkim/__init__.py b/dkim/__init__.py
index a042144..d05f5e2 100644
--- a/dkim/__init__.py
+++ b/dkim/__init__.py
@@ -485,6 +485,7 @@ class DKIM(object):
     # By default, we validate the first DKIM-Signature line found.
     try:
         sig = parse_tag_value(sigheaders[idx][1])
+        self.signature_fields = sig
     except InvalidTagValueList as e:
         raise MessageFormatError(e)
 
@@ -549,7 +550,6 @@ class DKIM(object):
     self.signed_headers = hash_headers(
         h, canon_policy, headers, include_headers, sigheaders[idx], sig)
     try:
-        self.signature_fields = sig
         signature = base64.b64decode(re.sub(br"\s+", b"", sig[b'b']))
         return RSASSA_PKCS1_v1_5_verify(h, signature, pk)
     except (TypeError,DigestTooLargeError) as e: