Add digest field for crl exports

autoca/ca.py

@@ -133,7 +133,8 @@ class CA(object):
                 time.strftime('%Y%m%d%H%M%SZ', time.gmtime(stamp)))
             crl.add_revoked(revoked)
         self.storage.set_crl(
-            crl.export(self.ca_crt, self.ca_key, crypto.FILETYPE_PEM, 30))
+            crl.export(self.ca_crt, self.ca_key, crypto.FILETYPE_PEM, 30,
+                       digest='sha256'))
         self._load_crl()
 
     def _load_crl(self):
@@ -142,7 +143,8 @@ class CA(object):
             # Create an empty CRL.
             crl = crypto.CRL()
             self.crl_data_pem = crl.export(self.ca_crt, self.ca_key,
-                                           crypto.FILETYPE_PEM, 30)
+                                           crypto.FILETYPE_PEM, 30,
+                                           digest='sha256')
             self.storage.set_crl(self.crl_data_pem)
 
         # Re-read the CRL data in DER and PEM formats.