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Support for serializing/deserializing public keys - #382

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hynek merged 13 commits into
pyca:masterfrom
Lukasa:dump_pubkey
Oct 28, 2015
Merged

Support for serializing/deserializing public keys#382
hynek merged 13 commits into
pyca:masterfrom
Lukasa:dump_pubkey

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@Lukasa

@Lukasa Lukasa commented Oct 27, 2015

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This is needed for HPKP in urllib3, to avoid using lots of cryptography private functions. It also adds symmetry to the equivalent private key functions.

@reaperhulk

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This needs a changelog entry :)

@codecov-io

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Current coverage is 87.73%

Merging #382 into master will increase coverage by +0.14% as of 4e3c3d1

@@            master    #382   diff @@
======================================
  Files            7       7       
  Stmts         2024    2047    +23
  Branches       371     377     +6
  Methods          0       0       
======================================
+ Hit           1773    1796    +23
  Partial        121     121       
  Missed         130     130       

Review entire Coverage Diff as of 4e3c3d1

Powered by Codecov. Updated on successful CI builds.

@Lukasa

Lukasa commented Oct 27, 2015

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@hynek Thoughts on how to hit that last line of the diff? It's going to be tricky to feed something that will cause write_bio to fail. @reaperhulk has some opinions he'd like to share.

@reaperhulk

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Covering these failure conditionals is hard and we should really do it with a function like openssl_assert in cryptography :)

@hynek

hynek commented Oct 27, 2015

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You can put a pragma no cover on it for now. Also please get rid of those dreadful :py: prefixes. :)

@Lukasa

Lukasa commented Oct 28, 2015

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Hooray, all green! \o/

@Lukasa Lukasa mentioned this pull request Oct 28, 2015
@Lukasa

Lukasa commented Oct 28, 2015

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@hynek Done.

@hynek

hynek commented Oct 28, 2015

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Cory, what was the very first review comment by Paul? ;)

@Lukasa

Lukasa commented Oct 28, 2015

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@hynek I don't read Paul's comments. ;)

Comment thread src/OpenSSL/crypto.py Outdated

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Still :py:

@Lukasa

Lukasa commented Oct 28, 2015

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Updated.

Comment thread src/OpenSSL/crypto.py Outdated

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This si what we have :type buffer: for fine sir :)

@hynek

hynek commented Oct 28, 2015

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  1. please move the changelog entries to the top (within the changes section!) :D you can also make it one entry for all I care.
  2. you forgot to add the autofunction directives to crypto.rst :) (we don't do automodule)

Comment thread src/OpenSSL/crypto.py Outdated

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How about :param PKey pkey: The public key to dump?

:class: is definitely not necessary if you write type markup (and it's only the one type).

@Lukasa

Lukasa commented Oct 28, 2015

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And updated again. =D

hynek added a commit that referenced this pull request Oct 28, 2015
Support for serializing/deserializing public keys
@hynek
hynek merged commit 3ca2eee into pyca:master Oct 28, 2015
jsonn referenced this pull request in jsonn/pkgsrc Apr 20, 2016
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>`_
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4 participants