diff -r f727edff50bd -r 52e8eec3014c src/tests/pkg5unittest.py
--- a/src/tests/pkg5unittest.py	Tue Mar 08 11:12:06 2016 -0800
+++ b/src/tests/pkg5unittest.py	Wed Mar 09 11:27:23 2016 -0800
@@ -67,6 +67,9 @@
 import traceback
 import types
 
+from cryptography import x509
+from cryptography.hazmat.backends import default_backend
+from cryptography.hazmat.primitives import serialization
 from imp import reload
 from six.moves import configparser, http_client
 from six.moves.urllib.error import HTTPError, URLError
@@ -79,7 +82,6 @@
 import pkg.client.publisher as publisher
 import pkg.portable as portable
 import pkg.server.repository as sr
-import M2Crypto as m2
 
 from pkg.client.debugvalues import DebugValues
 
@@ -922,9 +924,12 @@
 
         @staticmethod
         def calc_pem_hash(pth):
-                # Find the hash of pem representation the file.
-                cert = m2.X509.load_cert(pth)
-                return hashlib.sha1(cert.as_pem()).hexdigest()
+                """Find the hash of pem representation the file."""
+                with open(pth) as f:
+                        cert = x509.load_pem_x509_certificate(
+                            f.read(), default_backend())
+                return hashlib.sha1(
+                    cert.public_bytes(serialization.Encoding.PEM)).hexdigest()
 
         def reduceSpaces(self, string):
                 """Reduce runs of spaces down to a single space."""