Expose wrapped, not dump

acme/acme/challenges_test.py

@@ -422,7 +422,8 @@ class ProofOfPossessionHintsTest(unittest.TestCase):
         self.jmsg_to = {
             'jwk': jwk,
             'certFingerprints': cert_fingerprints,
-            'certs': (jose.encode_b64jose(CERT.dump()),),
+            'certs': (jose.encode_b64jose(OpenSSL.crypto.dump_certificate(
+                OpenSSL.crypto.FILETYPE_ASN1, CERT.wrapped)),),
             'subjectKeyIdentifiers': subject_key_identifiers,
             'serialNumbers': serial_numbers,
             'issuers': issuers,

acme/acme/crypto_util.py

@@ -7,7 +7,6 @@ import sys
 import OpenSSL
 
 from acme import errors
-from acme import jose
 
 
 logger = logging.getLogger(__name__)
@@ -167,7 +166,12 @@ def _pyopenssl_cert_or_req_san(cert_or_req):
     prefix = label + part_separator
     title = "X509v3 Subject Alternative Name:"
 
-    text = jose.ComparableX509(cert_or_req).dump(OpenSSL.crypto.FILETYPE_TEXT)
+    if isinstance(cert_or_req, OpenSSL.crypto.X509):
+        func = OpenSSL.crypto.dump_certificate
+    else:
+        func = OpenSSL.crypto.dump_certificate_request
+    text = func(OpenSSL.crypto.FILETYPE_TEXT, cert_or_req)
+
     lines = iter(text.decode("utf-8").splitlines())
     sans = [next(lines).split(parts_separator)
             for line in lines if title in line]

acme/acme/crypto_util_test.py

@@ -18,7 +18,7 @@ class SSLSocketAndProbeSNITest(unittest.TestCase):
         self.cert = test_util.load_comparable_cert('cert.pem')
         key = test_util.load_pyopenssl_private_key('rsa512_key.pem')
         # pylint: disable=protected-access
-        certs = {b'foo': (key, self.cert._wrapped)}
+        certs = {b'foo': (key, self.cert.wrapped)}
 
         from acme.crypto_util import SSLSocket
 

acme/acme/jose/json_util.py

@@ -372,7 +372,8 @@ def encode_cert(cert):
     :rtype: unicode
 
     """
-    return encode_b64jose(cert.dump())
+    return encode_b64jose(OpenSSL.crypto.dump_certificate(
+        OpenSSL.crypto.FILETYPE_ASN1, cert.wrapped))
 
 
 def decode_cert(b64der):
@@ -396,7 +397,8 @@ def encode_csr(csr):
     :rtype: unicode
 
     """
-    return encode_b64jose(csr.dump())
+    return encode_b64jose(OpenSSL.crypto.dump_certificate_request(
+        OpenSSL.crypto.FILETYPE_ASN1, csr.wrapped))
 
 
 def decode_csr(b64der):

acme/acme/jose/jws.py

@@ -123,7 +123,8 @@ class Header(json_util.JSONObjectWithFields):
 
     @x5c.encoder
     def x5c(value):  # pylint: disable=missing-docstring,no-self-argument
-        return [base64.b64encode(cert.dump()) for cert in value]
+        return [base64.b64encode(OpenSSL.crypto.dump_certificate(
+            OpenSSL.crypto.FILETYPE_ASN1, cert.wrapped)) for cert in value]
 
     @x5c.decoder
     def x5c(value):  # pylint: disable=missing-docstring,no-self-argument

acme/acme/jose/jws_test.py

@@ -3,6 +3,7 @@ import base64
 import unittest
 
 import mock
+import OpenSSL
 
 from acme import test_util
 
@@ -67,10 +68,12 @@ class HeaderTest(unittest.TestCase):
         from acme.jose.jws import Header
         header = Header(x5c=(CERT, CERT))
         jobj = header.to_partial_json()
-        cert_b64 = base64.b64encode(CERT.dump())
+        cert_asn1 = OpenSSL.crypto.dump_certificate(
+            OpenSSL.crypto.FILETYPE_ASN1, CERT.wrapped)
+        cert_b64 = base64.b64encode(cert_asn1)
         self.assertEqual(jobj, {'x5c': [cert_b64, cert_b64]})
         self.assertEqual(header, Header.from_json(jobj))
-        jobj['x5c'][0] = base64.b64encode(b'xxx' + CERT.dump())
+        jobj['x5c'][0] = base64.b64encode(b'xxx' + cert_asn1)
         self.assertRaises(errors.DeserializationError, Header.from_json, jobj)
 
     def test_find_key(self):

acme/acme/jose/util.py

@@ -29,50 +29,50 @@ class abstractclassmethod(classmethod):
 class ComparableX509(object):  # pylint: disable=too-few-public-methods
     """Wrapper for OpenSSL.crypto.X509** objects that supports __eq__.
 
-    Wraps around:
-
-      - :class:`OpenSSL.crypto.X509`
-      - :class:`OpenSSL.crypto.X509Req`
+    :ivar wrapped: Wrapped certificate or certificate request.
+    :type wrapped: `OpenSSL.crypto.X509` or `OpenSSL.crypto.X509Req`.
 
     """
     def __init__(self, wrapped):
         assert isinstance(wrapped, OpenSSL.crypto.X509) or isinstance(
             wrapped, OpenSSL.crypto.X509Req)
-        self._wrapped = wrapped
+        self.wrapped = wrapped
 
     def __getattr__(self, name):
-        return getattr(self._wrapped, name)
+        return getattr(self.wrapped, name)
 
-    def dump(self, filetype=OpenSSL.crypto.FILETYPE_ASN1):
+    def _dump(self, filetype=OpenSSL.crypto.FILETYPE_ASN1):
         """Dumps the object into a buffer with the specified encoding.
 
         :param int filetype: The desired encoding. Should be one of
-            OpenSSL.crypto.FILETYPE_ASN1, OpenSSL.crypto.FILETYPE_PEM,
-            or OpenSSL.crypto.FILETYPE_TEXT.
+            `OpenSSL.crypto.FILETYPE_ASN1`,
+            `OpenSSL.crypto.FILETYPE_PEM`, or
+            `OpenSSL.crypto.FILETYPE_TEXT`.
 
         :returns: Encoded X509 object.
         :rtype: str
 
         """
-        if isinstance(self._wrapped, OpenSSL.crypto.X509):
+        if isinstance(self.wrapped, OpenSSL.crypto.X509):
             func = OpenSSL.crypto.dump_certificate
         else:  # assert in __init__ makes sure this is X509Req
             func = OpenSSL.crypto.dump_certificate_request
-        return func(filetype, self._wrapped)
+        return func(filetype, self.wrapped)
 
     def __eq__(self, other):
         if not isinstance(other, self.__class__):
             return NotImplemented
-        return self.dump() == other.dump()
+        # pylint: disable=protected-access
+        return self._dump() == other._dump()
 
     def __hash__(self):
-        return hash((self.__class__, self.dump()))
+        return hash((self.__class__, self._dump()))
 
     def __ne__(self, other):
         return not self == other
 
     def __repr__(self):
-        return '<{0}({1!r})>'.format(self.__class__.__name__, self._wrapped)
+        return '<{0}({1!r})>'.format(self.__class__.__name__, self.wrapped)
 
 
 class ComparableKey(object):  # pylint: disable=too-few-public-methods