[CORD-1526]
add cryptography pip module for Chamelon

Change-Id: Ib990a512ba5cb7b664c42942eacb3c0045c8feef
diff --git a/containers/xos/pip_requirements.txt b/containers/xos/pip_requirements.txt
index 70289b5..afe761a 100644
--- a/containers/xos/pip_requirements.txt
+++ b/containers/xos/pip_requirements.txt
@@ -14,17 +14,19 @@
 ansible==2.2.2.0
 anyjson==0.3.3
 appdirs==1.4.0
+asn1crypto==0.22.0
 backports.ssl-match-hostname==3.5.0.1
 ca-certs-locater==1.0
 cachetools==1.1.6
 cached-property==1.3.0
-cffi==1.7.0
+cffi==1.10.0
 cliff==2.2.0
 cmd2==0.6.8
 colorama==0.2.5
 constantly==15.1.0
 contextlib2==0.5.4
 coreapi==1.32.3
+cryptography==1.9
 debtcollector==1.8.0
 decorator==4.0.10
 django-bitfield==1.8.0
@@ -111,7 +113,7 @@
 pyOpenSSL==16.2.0
 pyasn1==0.1.9
 pyasn1-modules==0.0.8
-pycparser==2.14
+pycparser==2.18
 pycrypto==2.6.1
 pycurl==7.43.0
 pygraphviz==1.3.1