testserver: pass options through bytes() before using with binary data.

net/tools/testserver/minica.py

 # Copyright (c) 2012 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.
 
 import asn1
 import hashlib
 import os
 
 
 # This file implements very minimal certificate and OCSP generation. It's
@@ skipping 300 matching lines @@
 def GenerateCertKeyAndOCSP(subject = "127.0.0.1",
                            ocsp_url = "http://127.0.0.1",
                            ocsp_revoked = False):
   '''GenerateCertKeyAndOCSP returns a (cert_and_key_pem, ocsp_der) where:
        * cert_and_key_pem contains a certificate and private key in PEM format
          with the given subject common name and OCSP URL.
        * ocsp_der contains a DER encoded OCSP response or None if ocsp_url is
          None'''
 
   serial = RandomNumber(16)
-  cert_der = MakeCertificate(ISSUER_CN, subject, serial, KEY, KEY, ocsp_url)
+  cert_der = MakeCertificate(ISSUER_CN, bytes(subject), serial, KEY, KEY,
+                             bytes(ocsp_url))
   cert_pem = DERToPEM(cert_der)
 
   ocsp_der = None
   if ocsp_url is not None:
     ocsp_der = MakeOCSPResponse(ISSUER_CN, KEY, serial, ocsp_revoked)
 
   return (cert_pem + KEY_PEM, ocsp_der)