19.1.0:
Backward-incompatible changes:
- Removed deprecated ContextType, ConnectionType, PKeyType, X509NameType, X509ReqType, X509Type, X509StoreType, CRLType, PKCS7Type, PKCS12Type, and NetscapeSPKIType aliases.
Use the classes without the Type suffix instead.
- The minimum cryptography version is now 2.8 due to issues on macOS with a transitive dependency.
Deprecations:
- Deprecated OpenSSL.SSL.Context.set_npn_advertise_callback, OpenSSL.SSL.Context.set_npn_select_callback, and OpenSSL.SSL.Connection.get_next_proto_negotiated.
ALPN should be used instead.
Changes:
- Support bytearray in SSL.Connection.send() by using cffi's from_buffer.
- The OpenSSL.SSL.Context.set_alpn_select_callback can return a new NO_OVERLAPPING_PROTOCOLS sentinel value
to allow a TLS handshake to complete without an application protocol.
19.0.0:
Backward-incompatible changes:
- X509Store.add_cert no longer raises an error if you add a duplicate cert.
Changes:
- pyOpenSSL now works with OpenSSL 1.1.1.
- pyOpenSSL now handles NUL bytes in X509Name.get_components()
18.0.0:
Backward-incompatible changes:
- The minimum cryptography version is now 2.2.1.
- Support for Python 2.6 has been dropped.
Changes:
- Added Connection.get_certificate to retrieve the local certificate.
- OpenSSL.SSL.Connection now sets SSL_MODE_AUTO_RETRY by default.
- Added Context.set_tlsext_use_srtp to enable negotiation of SRTP keying material.
17.5.0:
Backward-incompatible changes:
* The minimum cryptography version is now 2.1.4.
Changes:
* Fixed a potential use-after-free in the verify callback and resolved a memory leak when loading PKCS12 files with cacerts.
* Added Connection.export_keying_material for RFC 5705 compatible export of keying material.
17.4.0:
Re-added a subset of the OpenSSL.rand module. This subset allows conscientious users to reseed the OpenSSL CSPRNG after fork.
Corrected a use-after-free when reusing an issuer or subject from an X509 object after the underlying object has been mutated.
17.3.0
Backward-incompatible changes:
* Dropped support for Python 3.3.
* Removed the deprecated OpenSSL.rand module. This is being done ahead of our normal deprecation schedule due to its lack of use and the fact that it was becoming a maintenance burden. os.urandom() should be used instead.
Deprecations:
* Deprecated OpenSSL.tsafe.
Changes:
* Fixed a memory leak in OpenSSL.crypto.CRL.
* Fixed a memory leak when verifying certificates with OpenSSL.crypto.X509StoreContext.
Deprecations:
- Deprecated ``OpenSSL.rand`` - callers should use ``os.urandom()`` instead.
Changes:
- Fixed a bug causing ``Context.set_default_verify_paths()`` to not work with cryptography ``manylinux1`` wheels on Python 3.x.
- Fixed a crash with (EC)DSA signatures in some cases.
Backward-incompatible changes:
- Removed the deprecated OpenSSL.rand.egd() function.
Applications should prefer os.urandom() for random number generation.
- Removed the deprecated default digest argument to OpenSSL.crypto.CRL.export().
Callers must now always pass an explicit digest.
- Fixed a bug with ASN1_TIME casting in X509.set_notBefore(),
X509.set_notAfter(), Revoked.set_rev_date(), Revoked.set_nextUpdate(),
and Revoked.set_lastUpdate(). You must now pass times in the form
YYYYMMDDhhmmssZ. YYYYMMDDhhmmss+hhmm and YYYYMMDDhhmmss-hhmm
will no longer work.
Deprecations:
- Deprecated the legacy "Type" aliases: ContextType, ConnectionType, PKeyType, X509NameType, X509ExtensionType, X509ReqType, X509Type, X509StoreType, CRLType, PKCS7Type, PKCS12Type, NetscapeSPKIType.
The names without the "Type"-suffix should be used instead.
Changes:
- Added OpenSSL.crypto.X509.from_cryptography() and OpenSSL.crypto.X509.to_cryptography() for converting X.509 certificate to and from pyca/cryptography objects.
- Added OpenSSL.crypto.X509Req.from_cryptography(), OpenSSL.crypto.X509Req.to_cryptography(), OpenSSL.crypto.CRL.from_cryptography(), and OpenSSL.crypto.CRL.to_cryptography() for converting X.509 CSRs and CRLs to and from pyca/cryptography objects.
- Added OpenSSL.debug that allows to get an overview of used library versions (including linked OpenSSL) and other useful runtime information using python -m OpenSSL.debug.
- Added a fallback path to Context.set_default_verify_paths() to accommodate the upcoming release of cryptography manylinux1 wheels.
- Added ``OpenSSL.X509Store.set_time()`` to set a custom verification time when verifying certificate chains.
- Added a collection of functions for working with OCSP stapling.
None of these functions make it possible to validate OCSP assertions, only to staple them into the handshake and to retrieve the stapled assertion if provided.
Users will need to write their own code to handle OCSP assertions.
We specifically added: ``Context.set_ocsp_server_callback``, ``Context.set_ocsp_client_callback``, and ``Connection.request_ocsp``.
- Changed the ``SSL`` module's memory allocation policy to avoid zeroing memory it allocates when unnecessary.
This reduces CPU usage and memory allocation time by an amount proportional to the size of the allocation.
For applications that process a lot of TLS data or that use very lage allocations this can provide considerable performance improvements.
- Automatically set ``SSL_CTX_set_ecdh_auto()`` on ``OpenSSL.SSL.Context``.
- Fix empty exceptions from ``OpenSSL.crypto.load_privatekey()``.
Add patch that makes tests on NetBSD progress further.
But then there's a segfault. See
https://github.com/pyca/pyopenssl/issues/596
16.2.0 (2016-10-15)
-------------------
Changes:
^^^^^^^^
- Fixed compatibility errors with OpenSSL 1.1.0.
- Fixed an issue that caused failures with subinterpreters and embedded Pythons.
`#552 <https://github.com/pyca/pyopenssl/pull/552>`_
16.1.0 (2016-08-26)
-------------------
Deprecations:
^^^^^^^^^^^^^
- Dropped support for OpenSSL 0.9.8.
Changes:
^^^^^^^^
- Fix memory leak in ``OpenSSL.crypto.dump_privatekey()`` with ``FILETYPE_TEXT``.
`#496 <https://github.com/pyca/pyopenssl/pull/496>`_
- Enable use of CRL (and more) in verify context.
`#483 <https://github.com/pyca/pyopenssl/pull/483>`_
- ``OpenSSL.crypto.PKey`` can now be constructed from ``cryptography`` objects and also exported as such.
`#439 <https://github.com/pyca/pyopenssl/pull/439>`_
- Support newer versions of ``cryptography`` which use opaque structs for OpenSSL 1.1.0 compatibility.
Changes:
16.0.0 (2016-03-19)
-------------------
This is the first release under full stewardship of PyCA.
We have made *many* changes to make local development more pleasing.
The test suite now passes both on Linux and OS X with OpenSSL 0.9.8,
1.0.1, and 1.0.2. It has been moved to `py.test <https://pytest.org/>`_,
all CI test runs are part of `tox <https://testrun.org/tox/>`_ and
the source code has been made fully `flake8
<https://flake8.readthedocs.org/>`_ compliant.
We hope to have lowered the barrier for contributions significantly
but are open to hear about any remaining frustrations.
Backward-incompatible changes:
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- Python 3.2 support has been dropped.
It never had significant real world usage and has been dropped
by our main dependency ``cryptography``. Affected users should
upgrade to Python 3.3 or later.
Deprecations:
^^^^^^^^^^^^^
- The support for EGD has been removed.
The only affected function ``OpenSSL.rand.egd()`` now uses
``os.urandom()`` to seed the internal PRNG instead. Please see
`pyca/cryptography#1636
<https://github.com/pyca/cryptography/pull/1636>`_ for more
background information on this decision. In accordance with our
backward compatibility policy ``OpenSSL.rand.egd()`` will be
*removed* no sooner than a year from the release of 16.0.0.
Please note that you should `use urandom
<http://sockpuppet.org/blog/2014/02/25/safely-generate-random-numbers/>`_
for all your secure random number needs.
- Python 2.6 support has been deprecated.
Our main dependency ``cryptography`` deprecated 2.6 in version
0.9 (2015-05-14) with no time table for actually dropping it.
pyOpenSSL will drop Python 2.6 support once ``cryptography``
does.
Changes:
^^^^^^^^
- Fixed ``OpenSSL.SSL.Context.set_session_id``,
``OpenSSL.SSL.Connection.renegotiate``,
``OpenSSL.SSL.Connection.renegotiate_pending``, and
``OpenSSL.SSL.Context.load_client_ca``.
They were lacking an implementation since 0.14. `#422
<https://github.com/pyca/pyopenssl/pull/422>`_
- Fixed segmentation fault when using keys larger than 4096-bit to sign data.
`#428 <https://github.com/pyca/pyopenssl/pull/428>`_
- Fixed ``AttributeError`` when ``OpenSSL.SSL.Connection.get_app_data()``
was called before setting any app data.
`#304 <https://github.com/pyca/pyopenssl/pull/304>`_
- Added ``OpenSSL.crypto.dump_publickey()`` to dump ``OpenSSL.crypto.PKey``
objects that represent public keys, and ``OpenSSL.crypto.load_publickey()``
to load such objects from serialized representations.
`#382 <https://github.com/pyca/pyopenssl/pull/382>`_
- Added ``OpenSSL.crypto.dump_crl()`` to dump a certificate revocation
list out to a string buffer.
`#368 <https://github.com/pyca/pyopenssl/pull/368>`_
- Added ``OpenSSL.SSL.Connection.get_state_string()`` using the
OpenSSL binding ``state_string_long``.
`#358 <https://github.com/pyca/pyopenssl/pull/358>`_
- Added support for the ``socket.MSG_PEEK`` flag to
``OpenSSL.SSL.Connection.recv()`` and
``OpenSSL.SSL.Connection.recv_into()``.
`#294 <https://github.com/pyca/pyopenssl/pull/294>`_
- Added ``OpenSSL.SSL.Connection.get_protocol_version()`` and
``OpenSSL.SSL.Connection.get_protocol_version_name()``.
`#244 <https://github.com/pyca/pyopenssl/pull/244>`_
- Switched to ``utf8string`` mask by default.
OpenSSL formerly defaulted to a ``T61String`` if there were UTF-8
characters present. This was changed to default to ``UTF8String``
in the config around 2005, but the actual code didn't change it
until late last year. This will default us to the setting that
actually works. To revert this you can call
``OpenSSL.crypto._lib.ASN1_STRING_set_default_mask_asc(b"default")``.
`#234 <https://github.com/pyca/pyopenssl/pull/234>`_
Problems found locating distfiles:
Package f-prot-antivirus6-fs-bin: missing distfile fp-NetBSD.x86.32-fs-6.2.3.tar.gz
Package f-prot-antivirus6-ws-bin: missing distfile fp-NetBSD.x86.32-ws-6.2.3.tar.gz
Package libidea: missing distfile libidea-0.8.2b.tar.gz
Package openssh: missing distfile openssh-7.1p1-hpn-20150822.diff.bz2
Package uvscan: missing distfile vlp4510e.tar.Z
Otherwise, existing SHA1 digests verified and found to be the same on
the machine holding the existing distfiles (morden). All existing
SHA1 digests retained for now as an audit trail.
pkgsrc changes:
* Update HOMEPAGE
Changes:
0.15.1:
* OpenSSL/SSL.py, OpenSSL/test/test_ssl.py: Fix a regression
present in 0.15, where when an error occurs and no errno() is set,
a KeyError is raised. This happens, for example, if
Connection.shutdown() is called when the underlying transport has
gone away.
0.15:
* OpenSSL/rand.py, OpenSSL/SSL.py: APIs which previously accepted
filenames only as bytes now accept them as either bytes or
unicode (and respect sys.getfilesystemencoding()).
* OpenSSL/SSL.py: Add Cory Benfield's next-protocol-negotiation
(NPN) bindings.
* OpenSSL/SSL.py: Add ``Connection.recv_into``, mirroring the
builtin ``socket.recv_into``. Based on work from Cory Benfield.
* OpenSSL/test/test_ssl.py: Add tests for ``recv_into``.
* OpenSSL/crypto.py: Expose ``X509StoreContext`` for verifying certificates.
* OpenSSL/test/test_crypto.py: Add intermediate certificates for
* OpenSSL/SSL.py: ``Connection.shutdown`` now propagates errors from the
underlying socket.
* OpenSSL/SSL.py: Fixed a regression ``Context.check_privatekey``
causing it to always succeed - even if it should fail.
* OpenSSL/crypto.py: Fixed a regression where calling ``load_pkcs7_data``
with ``FILETYPE_ASN1`` would fail with a ``NameError``.
* OpenSSL/SSL.py: Fix a regression in which the first argument of
the "verify" callback was incorrectly passed a ``Context`` instance
instead of the ``Connection`` instance.
* OpenSSL/test/test_ssl.py: Add a test for the value passed as the
first argument of the "verify" callback.
* OpenSSL/crypto.py: Based on work from Alex Gaynor, Andrew
Lutomirski, Tobias Oberstein, Laurens Van Houtven, and Hynek
Schlawack, add ``get_elliptic_curve`` and ``get_elliptic_curves``
to support TLS ECDHE modes.
* OpenSSL/SSL.py: Add ``Context.set_tmp_ecdh`` to configure a TLS
context with a particular elliptic curve for ECDHE modes.
* OpenSSL/SSL.py: ``Connection.send`` and ``Connection.sendall``
now also accept the ``buffer`` type as data.
* OpenSSL/crypto.py: Make ``load_pkcs12`` backwards compatible with
pyOpenSSL 0.13 by making passphrase optional.
* OpenSSL/SSL.py: Add ``get_finished``, ``get_peer_finished``
methods to ``Connection``. If you use these methods to
implement TLS channel binding (RFC 5929) disable session
resumption because triple handshake attacks against TLS.
<https://www.ietf.org/mail-archive/web/tls/current/msg11337.html>
<https://secure-resumption.com/tlsauth.pdf>
* OpenSSL/SSL.py: Add ``get_cipher_name``, ``get_cipher_bits``,
and ``get_cipher_version`` to ``Connection``.
* OpenSSL/tsafe.py: Replace the use of ``apply`` (which has been
removed in Python 3) with the equivalent syntax.
* OpenSSL/crypto.py: Fix memory leak in _X509_REVOKED_dup.
* leakcheck/crypto.py: Add checks for _X509_REVOKED_dup, CRL.add_revoked
and CRL.get_revoked.
* setup.py: Require cryptography 0.3 to have the ASN1_TIME_free binding.
* OpenSSL/crypto.py: Add ``get_extensions`` method to ``X509Req``.
py-OpenSSL 0.14 started depending on six, but this package didn't, so
"import OpenSSL" failed. Confusingly, this led to build failures in
tahoe-lafs because somehow setuptools determined six was needed and
tried to download it.
After this commit, "make test" in py-OpenSSL still fails; it tries to download
"cryptography" and "cffi".
2014-01-09 Jean-Paul Calderone <exarkun@twistedmatrix.com>
* OpenSSL: Port to the cffi-based OpenSSL bindings provided by
<https://github.com/pyca/cryptography>
2013-10-06 Jean-Paul Calderone <exarkun@twistedmatrix.com>
* OpenSSL/ssl/context.c: Add support for negotiating TLS v1.1 or
v1.2.
2013-10-03 Christian Heimes <christian@python.org>
* OpenSSL/crypto/x509.c: Fix an inconsistency in memory management
in X509.get_serial_number which leads to crashes on some runtimes
(certain Windows/Python 3.3 environments, at least).
either because they themselves are not ready or because a
dependency isn't. This is annotated by
PYTHON_VERSIONS_INCOMPATIBLE= 33 # not yet ported as of x.y.z
or
PYTHON_VERSIONS_INCOMPATIBLE= 33 # py-foo, py-bar
respectively, please use the same style for other packages,
and check during updates.
Use versioned_dependencies.mk where applicable.
Use REPLACE_PYTHON instead of handcoded alternatives, where applicable.
Reorder Makefile sections into standard order, where applicable.
Remove PYTHON_VERSIONS_INCLUDE_3X lines since that will be default
with the next commit.
Whitespace cleanups and other nits corrected, where necessary.
Upstream changes:
2011-09-02 Jean-Paul Calderone <exarkun@twistedmatrix.com>
* Release 0.13
2011-06-12 Jean-Paul Calderone <exarkun@twistedmatrix.com>
* OpenSSL/crypto/pkey.c: Add the PKey.check method, mostly
implemented by Rick Dean, to verify the internal consistency of a
PKey instance.
2011-06-12 Jean-Paul Calderone <exarkun@twistedmatrix.com>
* OpenSSL/crypto/crypto.c: Fix the sign and verify functions so
they handle data with embedded NULs. Fix by David Brodsky
<lp:~lihalla>.
2011-05-20 Jean-Paul Calderone <exarkun@twistedmatrix.com>
* OpenSSL/ssl/connection.c, OpenSSL/test/test_ssl.py: Add a new
method to the Connection type, get_peer_cert_chain, for retrieving
the peer's certificate chain.
2011-05-19 Jean-Paul Calderone <exarkun@twistedmatrix.com>
* OpenSSL/crypto/x509.c, OpenSSL/test/test_crypto.py: Add a new
method to the X509 type, get_signature_algorithm, for inspecting
the signature algorithm field of the certificate. Based on a
patch from <lp:~okuda>.
2011-05-10 Jean-Paul Calderone <exarkun@twistedmatrix.com>
* OpenSSL/crypto/crypto.h: Work around a Windows/OpenSSL 1.0 issue
explicitly including a Windows header before any OpenSSL headers.
* OpenSSL/crypto/pkcs12.c: Work around an OpenSSL 1.0 issue by
explicitly flushing errors known to be uninteresting after calling
PKCS12_parse.
* OpenSSL/ssl/context.c: Remove SSLv2 support if the underlying
OpenSSL library does not provide it.
* OpenSSL/test/test_crypto.py: Support an OpenSSL 1.0 change from
MD5 to SHA1 by allowing either hash algorithm's result as the
return value of X509.subject_name_hash.
* OpenSSL/test/test_ssl.py: Support an OpenSSL 1.0 change from MD5
to SHA1 by constructing certificate files named using both hash
algorithms' results when testing Context.load_verify_locations.
* Support OpenSSL 1.0.0a.
2011-04-15 Jean-Paul Calderone <exarkun@twistedmatrix.com>
* OpenSSL/ssl/ssl.c: Add OPENSSL_VERSION_NUMBER, SSLeay_version
and related constants for retrieving version information about the
underlying OpenSSL library.
* OpenSSL/crypto/x509.c: Add get_extension_count and get_extension
to the X509 type, allowing read access to certificate extensions.
* OpenSSL/crypto/x509ext.c: Add get_short_name and get_data to the
X509Extension type, allowing read access to the contents of an
extension.
* OpenSSL/ssl/ssl.c: Expose a number of symbolic constants for
values passed to the connection "info" callback.
* OpenSSL/ssl/connection.py: Add support for new-style
buffers (primarily memoryviews) to Connection.send and
Connection.sendall.
on some platforms that lacked shared library support in the past. The
list hasn't been maintained at all and the gain is very limited, so just
get rid of it.
- assume that Python 2.4 and 2.5 are compatible and allow checking for
fallout.
- remove PYTHON_VERSIONS_COMPATIBLE that are obsoleted by the 2.3+
default. Modify the others to deal with the removals.
