Initial version of the ICSI Notary lookup of FP

bin/x509/icsi.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# ICSI Notary lookup of FP 
+#
+# Software is free software released under the GNU General Public License version 3 and later
+#
+# Copyright (c) 2015 Alexandre Dulaunoy - a@foo.be
+
+
+import dns.resolver
+import argparse
+import fileinput
+
+suffix = '.notary.icsi.berkeley.edu'
+
+resolver = dns.resolver.Resolver()
+fp = '592978A72A9061F70AD7C44C4D449DCF258CD534'
+
+argParser = argparse.ArgumentParser(description='Lookup a series of certificate fingerprints ICSI Certificate Notary')
+argParser.add_argument('-r', default='-', help='Read from a file, default is stdin')
+args = argParser.parse_args()
+
+for l in fileinput.input(args.r):
+	fp = l.rstrip()
+	try:
+		r = resolver.query(fp+suffix, 'TXT')[0]
+	except:
+		print ("Non-existing certificate {}".format(fp))
+		continue
+	print ("{},{}".format(fp,r))