Reject certificates that contain unknown policy qualifiers if the

net/data/verify_certificate_chain_unittest/unknown-critical-policy-qualifier/generate-chains.py

Index: net/data/verify_certificate_chain_unittest/unknown-critical-policy-qualifier/generate-chains.py
diff --git a/net/data/verify_certificate_chain_unittest/unknown-critical-policy-qualifier/generate-chains.py b/net/data/verify_certificate_chain_unittest/unknown-critical-policy-qualifier/generate-chains.py
new file mode 100755
index 0000000000000000000000000000000000000000..caad547fb2eec0c39f6e2edf02a5f1d9b8e3ba16
--- /dev/null
+++ b/net/data/verify_certificate_chain_unittest/unknown-critical-policy-qualifier/generate-chains.py
@@ -0,0 +1,28 @@
+#!/usr/bin/python
+# Copyright (c) 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""The intermediate has a policies extension marked as critical, which contains
+an unknown qualifer (1.2.3.4)."""
+
+import sys
+sys.path += ['..']
+
+import common
+
+# Self-signed root certificate (used as trust anchor).
+root = common.create_self_signed_root_certificate('Root')
+
+# Intermediate that has a critical policies extension containing an unknown
+# policy qualifer.
+intermediate = common.create_intermediate_certificate('Intermediate', root)
+intermediate.get_extensions().add_property(
+    '2.5.29.32', ('critical,DER:30:13:30:11:06:02:2a:03:30:0b:30:09:06:03:'
+                  '2a:03:04:0c:02:68:69'))
+
+# Target certificate.
+target = common.create_end_entity_certificate('Target', intermediate)
+
+chain = [target, intermediate, root]
+common.write_chain(__doc__, chain, 'chain.pem')