support indexing in CertificatePolicies
diff --git a/src/cryptography/x509/extensions.py b/src/cryptography/x509/extensions.py
index 7979ccb..dd2b8e6 100644
--- a/src/cryptography/x509/extensions.py
+++ b/src/cryptography/x509/extensions.py
@@ -501,6 +501,9 @@
def __ne__(self, other):
return not self == other
+ def __getitem__(self, idx):
+ return self._policies[idx]
+
class PolicyInformation(object):
def __init__(self, policy_identifier, policy_qualifiers):
diff --git a/tests/test_x509_ext.py b/tests/test_x509_ext.py
index cfca579..475efbd 100644
--- a/tests/test_x509_ext.py
+++ b/tests/test_x509_ext.py
@@ -380,6 +380,16 @@
assert cp != cp2
assert cp != object()
+ def test_indexing(self):
+ pi = x509.PolicyInformation(x509.ObjectIdentifier("1.2.3"), [u"test"])
+ pi2 = x509.PolicyInformation(x509.ObjectIdentifier("1.2.4"), [u"test"])
+ pi3 = x509.PolicyInformation(x509.ObjectIdentifier("1.2.5"), [u"test"])
+ pi4 = x509.PolicyInformation(x509.ObjectIdentifier("1.2.6"), [u"test"])
+ pi5 = x509.PolicyInformation(x509.ObjectIdentifier("1.2.7"), [u"test"])
+ cp = x509.CertificatePolicies([pi, pi2, pi3, pi4, pi5])
+ assert cp[-1] == cp[4]
+ assert cp[2:6:2] == [cp[2], cp[4]]
+
@pytest.mark.requires_backend_interface(interface=RSABackend)
@pytest.mark.requires_backend_interface(interface=X509Backend)