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v811_spc009/external/python/cryptography/CHANGELOG.rst

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Changelog
=========
.. _v2-5:
2.5 - 2019-01-22
~~~~~~~~~~~~~~~~
* **BACKWARDS INCOMPATIBLE:** :term:`U-label` strings were deprecated in
version 2.1, but this version removes the default ``idna`` dependency as
well. If you still need this deprecated path please install cryptography
with the ``idna`` extra: ``pip install cryptography[idna]``.
* **BACKWARDS INCOMPATIBLE:** The minimum supported PyPy version is now 5.4.
* Numerous classes and functions have been updated to allow :term:`bytes-like`
types for keying material and passwords, including symmetric algorithms, AEAD
ciphers, KDFs, loading asymmetric keys, and one time password classes.
* Updated Windows, macOS, and ``manylinux1`` wheels to be compiled with
OpenSSL 1.1.1a.
* Added support for :class:`~cryptography.hazmat.primitives.hashes.SHA512_224`
and :class:`~cryptography.hazmat.primitives.hashes.SHA512_256` when using
OpenSSL 1.1.1.
* Added support for :class:`~cryptography.hazmat.primitives.hashes.SHA3_224`,
:class:`~cryptography.hazmat.primitives.hashes.SHA3_256`,
:class:`~cryptography.hazmat.primitives.hashes.SHA3_384`, and
:class:`~cryptography.hazmat.primitives.hashes.SHA3_512` when using OpenSSL
1.1.1.
* Added support for :doc:`/hazmat/primitives/asymmetric/x448` when using
OpenSSL 1.1.1.
* Added support for :class:`~cryptography.hazmat.primitives.hashes.SHAKE128`
and :class:`~cryptography.hazmat.primitives.hashes.SHAKE256` when using
OpenSSL 1.1.1.
* Added initial support for parsing PKCS12 files with
:func:`~cryptography.hazmat.primitives.serialization.pkcs12.load_key_and_certificates`.
* Added support for :class:`~cryptography.x509.IssuingDistributionPoint`.
* Added ``rfc4514_string()`` method to
:meth:`x509.Name <cryptography.x509.Name.rfc4514_string>`,
:meth:`x509.RelativeDistinguishedName
<cryptography.x509.RelativeDistinguishedName.rfc4514_string>`, and
:meth:`x509.NameAttribute <cryptography.x509.NameAttribute.rfc4514_string>`
to format the name or component an :rfc:`4514` Distinguished Name string.
* Added
:meth:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicKey.from_encoded_point`,
which immediately checks if the point is on the curve and supports compressed
points. Deprecated the previous method
:meth:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicNumbers.from_encoded_point`.
* Added :attr:`~cryptography.x509.ocsp.OCSPResponse.signature_hash_algorithm`
to ``OCSPResponse``.
* Updated :doc:`/hazmat/primitives/asymmetric/x25519` support to allow
additional serialization methods. Calling
:meth:`~cryptography.hazmat.primitives.asymmetric.x25519.X25519PublicKey.public_bytes`
with no arguments has been deprecated.
* Added support for encoding compressed and uncompressed points via
:meth:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicKey.public_bytes`. Deprecated the previous method
:meth:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicNumbers.encode_point`.
.. _v2-4-2:
2.4.2 - 2018-11-21
~~~~~~~~~~~~~~~~~~
* Updated Windows, macOS, and ``manylinux1`` wheels to be compiled with
OpenSSL 1.1.0j.
.. _v2-4-1:
2.4.1 - 2018-11-11
~~~~~~~~~~~~~~~~~~
* Fixed a build breakage in our ``manylinux1`` wheels.
.. _v2-4:
2.4 - 2018-11-11
~~~~~~~~~~~~~~~~
* **BACKWARDS INCOMPATIBLE:** Dropped support for LibreSSL 2.4.x.
* Deprecated OpenSSL 1.0.1 support. OpenSSL 1.0.1 is no longer supported by
the OpenSSL project. At this time there is no time table for dropping
support, however we strongly encourage all users to upgrade or install
``cryptography`` from a wheel.
* Added initial :doc:`OCSP </x509/ocsp>` support.
* Added support for :class:`~cryptography.x509.PrecertPoison`.
.. _v2-3-1:
2.3.1 - 2018-08-14
~~~~~~~~~~~~~~~~~~
* Updated Windows, macOS, and ``manylinux1`` wheels to be compiled with
OpenSSL 1.1.0i.
.. _v2-3:
2.3 - 2018-07-18
~~~~~~~~~~~~~~~~
* **SECURITY ISSUE:**
:meth:`~cryptography.hazmat.primitives.ciphers.AEADDecryptionContext.finalize_with_tag`
allowed tag truncation by default which can allow tag forgery in some cases.
The method now enforces the ``min_tag_length`` provided to the
:class:`~cryptography.hazmat.primitives.ciphers.modes.GCM` constructor.
*CVE-2018-10903*
* Added support for Python 3.7.
* Added :meth:`~cryptography.fernet.Fernet.extract_timestamp` to get the
authenticated timestamp of a :doc:`Fernet </fernet>` token.
* Support for Python 2.7.x without ``hmac.compare_digest`` has been deprecated.
We will require Python 2.7.7 or higher (or 2.7.6 on Ubuntu) in the next
``cryptography`` release.
* Fixed multiple issues preventing ``cryptography`` from compiling against
LibreSSL 2.7.x.
* Added
:class:`~cryptography.x509.CertificateRevocationList.get_revoked_certificate_by_serial_number`
for quick serial number searches in CRLs.
* The :class:`~cryptography.x509.RelativeDistinguishedName` class now
preserves the order of attributes. Duplicate attributes now raise an error
instead of silently discarding duplicates.
* :func:`~cryptography.hazmat.primitives.keywrap.aes_key_unwrap` and
:func:`~cryptography.hazmat.primitives.keywrap.aes_key_unwrap_with_padding`
now raise :class:`~cryptography.hazmat.primitives.keywrap.InvalidUnwrap` if
the wrapped key is an invalid length, instead of ``ValueError``.
.. _v2-2-2:
2.2.2 - 2018-03-27
~~~~~~~~~~~~~~~~~~
* Updated Windows, macOS, and ``manylinux1`` wheels to be compiled with
OpenSSL 1.1.0h.
.. _v2-2-1:
2.2.1 - 2018-03-20
~~~~~~~~~~~~~~~~~~
* Reverted a change to ``GeneralNames`` which prohibited having zero elements,
due to breakages.
* Fixed a bug in
:func:`~cryptography.hazmat.primitives.keywrap.aes_key_unwrap_with_padding`
that caused it to raise ``InvalidUnwrap`` when key length modulo 8 was
zero.
.. _v2-2:
2.2 - 2018-03-19
~~~~~~~~~~~~~~~~
* **BACKWARDS INCOMPATIBLE:** Support for Python 2.6 has been dropped.
* Resolved a bug in ``HKDF`` that incorrectly constrained output size.
* Added :class:`~cryptography.hazmat.primitives.asymmetric.ec.BrainpoolP256R1`,
:class:`~cryptography.hazmat.primitives.asymmetric.ec.BrainpoolP384R1`, and
:class:`~cryptography.hazmat.primitives.asymmetric.ec.BrainpoolP512R1` to
support inter-operating with systems like German smart meters.
* Added token rotation support to :doc:`Fernet </fernet>` with
:meth:`~cryptography.fernet.MultiFernet.rotate`.
* Fixed a memory leak in
:func:`~cryptography.hazmat.primitives.asymmetric.ec.derive_private_key`.
* Added support for AES key wrapping with padding via
:func:`~cryptography.hazmat.primitives.keywrap.aes_key_wrap_with_padding`
and
:func:`~cryptography.hazmat.primitives.keywrap.aes_key_unwrap_with_padding`
.
* Allow loading DSA keys with 224 bit ``q``.
.. _v2-1-4:
2.1.4 - 2017-11-29
~~~~~~~~~~~~~~~~~~
* Added ``X509_up_ref`` for an upcoming ``pyOpenSSL`` release.
.. _v2-1-3:
2.1.3 - 2017-11-02
~~~~~~~~~~~~~~~~~~
* Updated Windows, macOS, and ``manylinux1`` wheels to be compiled with
OpenSSL 1.1.0g.
.. _v2-1-2:
2.1.2 - 2017-10-24
~~~~~~~~~~~~~~~~~~
* Corrected a bug with the ``manylinux1`` wheels where OpenSSL's stack was
marked executable.
.. _v2-1-1:
2.1.1 - 2017-10-12
~~~~~~~~~~~~~~~~~~
* Fixed support for install with the system ``pip`` on Ubuntu 16.04.
.. _v2-1:
2.1 - 2017-10-11
~~~~~~~~~~~~~~~~
* **FINAL DEPRECATION** Python 2.6 support is deprecated, and will be removed
in the next release of ``cryptography``.
* **BACKWARDS INCOMPATIBLE:** ``Whirlpool``, ``RIPEMD160``, and
``UnsupportedExtension`` have been removed in accordance with our
:doc:`/api-stability` policy.
* **BACKWARDS INCOMPATIBLE:**
:attr:`DNSName.value <cryptography.x509.DNSName.value>`,
:attr:`RFC822Name.value <cryptography.x509.RFC822Name.value>`, and
:attr:`UniformResourceIdentifier.value
<cryptography.x509.UniformResourceIdentifier.value>`
will now return an :term:`A-label` string when parsing a certificate
containing an internationalized domain name (IDN) or if the caller passed
a :term:`U-label` to the constructor. See below for additional deprecations
related to this change.
* Installing ``cryptography`` now requires ``pip`` 6 or newer.
* Deprecated passing :term:`U-label` strings to the
:class:`~cryptography.x509.DNSName`,
:class:`~cryptography.x509.UniformResourceIdentifier`, and
:class:`~cryptography.x509.RFC822Name` constructors. Instead, users should
pass values as :term:`A-label` strings with ``idna`` encoding if necessary.
This change will not affect anyone who is not processing internationalized
domains.
* Added support for
:class:`~cryptography.hazmat.primitives.ciphers.algorithms.ChaCha20`. In
most cases users should choose
:class:`~cryptography.hazmat.primitives.ciphers.aead.ChaCha20Poly1305`
rather than using this unauthenticated form.
* Added :meth:`~cryptography.x509.CertificateRevocationList.is_signature_valid`
to :class:`~cryptography.x509.CertificateRevocationList`.
* Support :class:`~cryptography.hazmat.primitives.hashes.BLAKE2b` and
:class:`~cryptography.hazmat.primitives.hashes.BLAKE2s` with
:class:`~cryptography.hazmat.primitives.hmac.HMAC`.
* Added support for
:class:`~cryptography.hazmat.primitives.ciphers.modes.XTS` mode for
AES.
* Added support for using labels with
:class:`~cryptography.hazmat.primitives.asymmetric.padding.OAEP` when using
OpenSSL 1.0.2 or greater.
* Improved compatibility with NSS when issuing certificates from an issuer
that has a subject with non-``UTF8String`` string types.
* Add support for the :class:`~cryptography.x509.DeltaCRLIndicator` extension.
* Add support for the :class:`~cryptography.x509.TLSFeature`
extension. This is commonly used for enabling ``OCSP Must-Staple`` in
certificates.
* Add support for the :class:`~cryptography.x509.FreshestCRL` extension.
.. _v2-0-3:
2.0.3 - 2017-08-03
~~~~~~~~~~~~~~~~~~
* Fixed an issue with weak linking symbols when compiling on macOS
versions older than 10.12.
.. _v2-0-2:
2.0.2 - 2017-07-27
~~~~~~~~~~~~~~~~~~
* Marked all symbols as hidden in the ``manylinux1`` wheel to avoid a
bug with symbol resolution in certain scenarios.
.. _v2-0-1:
2.0.1 - 2017-07-26
~~~~~~~~~~~~~~~~~~
* Fixed a compilation bug affecting OpenBSD.
* Altered the ``manylinux1`` wheels to statically link OpenSSL instead of
dynamically linking and bundling the shared object. This should resolve
crashes seen when using ``uwsgi`` or other binaries that link against
OpenSSL independently.
* Fixed the stack level for the ``signer`` and ``verifier`` warnings.
.. _v2-0:
2.0 - 2017-07-17
~~~~~~~~~~~~~~~~
* **BACKWARDS INCOMPATIBLE:** Support for Python 3.3 has been dropped.
* We now ship ``manylinux1`` wheels linked against OpenSSL 1.1.0f. These wheels
will be automatically used with most Linux distributions if you are running
the latest pip.
* Deprecated the use of ``signer`` on
:class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPrivateKey`,
:class:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAPrivateKey`,
and
:class:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePrivateKey`
in favor of ``sign``.
* Deprecated the use of ``verifier`` on
:class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPublicKey`,
:class:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAPublicKey`,
and
:class:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicKey`
in favor of ``verify``.
* Added support for parsing
:class:`~cryptography.x509.certificate_transparency.SignedCertificateTimestamp`
objects from X.509 certificate extensions.
* Added support for
:class:`~cryptography.hazmat.primitives.ciphers.aead.ChaCha20Poly1305`.
* Added support for
:class:`~cryptography.hazmat.primitives.ciphers.aead.AESCCM`.
* Added
:class:`~cryptography.hazmat.primitives.ciphers.aead.AESGCM`, a "one shot"
API for AES GCM encryption.
* Added support for :doc:`/hazmat/primitives/asymmetric/x25519`.
* Added support for serializing and deserializing Diffie-Hellman parameters
with
:func:`~cryptography.hazmat.primitives.serialization.load_pem_parameters`,
:func:`~cryptography.hazmat.primitives.serialization.load_der_parameters`,
and
:meth:`~cryptography.hazmat.primitives.asymmetric.dh.DHParameters.parameter_bytes`
.
* The ``extensions`` attribute on :class:`~cryptography.x509.Certificate`,
:class:`~cryptography.x509.CertificateSigningRequest`,
:class:`~cryptography.x509.CertificateRevocationList`, and
:class:`~cryptography.x509.RevokedCertificate` now caches the computed
``Extensions`` object. There should be no performance change, just a
performance improvement for programs accessing the ``extensions`` attribute
multiple times.
.. _v1-9:
1.9 - 2017-05-29
~~~~~~~~~~~~~~~~
* **BACKWARDS INCOMPATIBLE:** Elliptic Curve signature verification no longer
returns ``True`` on success. This brings it in line with the interface's
documentation, and our intent. The correct way to use
:meth:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicKey.verify`
has always been to check whether or not
:class:`~cryptography.exceptions.InvalidSignature` was raised.
* **BACKWARDS INCOMPATIBLE:** Dropped support for macOS 10.7 and 10.8.
* **BACKWARDS INCOMPATIBLE:** The minimum supported PyPy version is now 5.3.
* Python 3.3 support has been deprecated, and will be removed in the next
``cryptography`` release.
* Add support for providing ``tag`` during
:class:`~cryptography.hazmat.primitives.ciphers.modes.GCM` finalization via
:meth:`~cryptography.hazmat.primitives.ciphers.AEADDecryptionContext.finalize_with_tag`.
* Fixed an issue preventing ``cryptography`` from compiling against
LibreSSL 2.5.x.
* Added
:meth:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicKey.key_size`
and
:meth:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePrivateKey.key_size`
as convenience methods for determining the bit size of a secret scalar for
the curve.
* Accessing an unrecognized extension marked critical on an X.509 object will
no longer raise an ``UnsupportedExtension`` exception, instead an
:class:`~cryptography.x509.UnrecognizedExtension` object will be returned.
This behavior was based on a poor reading of the RFC, unknown critical
extensions only need to be rejected on certificate verification.
* The CommonCrypto backend has been removed.
* MultiBackend has been removed.
* ``Whirlpool`` and ``RIPEMD160`` have been deprecated.
.. _v1-8-2:
1.8.2 - 2017-05-26
~~~~~~~~~~~~~~~~~~
* Fixed a compilation bug affecting OpenSSL 1.1.0f.
* Updated Windows and macOS wheels to be compiled against OpenSSL 1.1.0f.
.. _v1-8-1:
1.8.1 - 2017-03-10
~~~~~~~~~~~~~~~~~~
* Fixed macOS wheels to properly link against 1.1.0 rather than 1.0.2.
.. _v1-8:
1.8 - 2017-03-09
~~~~~~~~~~~~~~~~
* Added support for Python 3.6.
* Windows and macOS wheels now link against OpenSSL 1.1.0.
* macOS wheels are no longer universal. This change significantly shrinks the
size of the wheels. Users on macOS 32-bit Python (if there are any) should
migrate to 64-bit or build their own packages.
* Changed ASN.1 dependency from ``pyasn1`` to ``asn1crypto`` resulting in a
general performance increase when encoding/decoding ASN.1 structures. Also,
the ``pyasn1_modules`` test dependency is no longer required.
* Added support for
:meth:`~cryptography.hazmat.primitives.ciphers.CipherContext.update_into` on
:class:`~cryptography.hazmat.primitives.ciphers.CipherContext`.
* Added
:meth:`~cryptography.hazmat.primitives.asymmetric.dh.DHPrivateKeyWithSerialization.private_bytes`
to
:class:`~cryptography.hazmat.primitives.asymmetric.dh.DHPrivateKeyWithSerialization`.
* Added
:meth:`~cryptography.hazmat.primitives.asymmetric.dh.DHPublicKey.public_bytes`
to
:class:`~cryptography.hazmat.primitives.asymmetric.dh.DHPublicKey`.
* :func:`~cryptography.hazmat.primitives.serialization.load_pem_private_key`
and
:func:`~cryptography.hazmat.primitives.serialization.load_der_private_key`
now require that ``password`` must be bytes if provided. Previously this
was documented but not enforced.
* Added support for subgroup order in :doc:`/hazmat/primitives/asymmetric/dh`.
.. _v1-7-2:
1.7.2 - 2017-01-27
~~~~~~~~~~~~~~~~~~
* Updated Windows and macOS wheels to be compiled against OpenSSL 1.0.2k.
.. _v1-7-1:
1.7.1 - 2016-12-13
~~~~~~~~~~~~~~~~~~
* Fixed a regression in ``int_from_bytes`` where it failed to accept
``bytearray``.
.. _v1-7:
1.7 - 2016-12-12
~~~~~~~~~~~~~~~~
* Support for OpenSSL 1.0.0 has been removed. Users on older version of OpenSSL
will need to upgrade.
* Added support for Diffie-Hellman key exchange using
:meth:`~cryptography.hazmat.primitives.asymmetric.dh.DHPrivateKey.exchange`.
* The OS random engine for OpenSSL has been rewritten to improve compatibility
with embedded Python and other edge cases. More information about this change
can be found in the
`pull request <https://github.com/pyca/cryptography/pull/3229>`_.
.. _v1-6:
1.6 - 2016-11-22
~~~~~~~~~~~~~~~~
* Deprecated support for OpenSSL 1.0.0. Support will be removed in
``cryptography`` 1.7.
* Replaced the Python-based OpenSSL locking callbacks with a C version to fix
a potential deadlock that could occur if a garbage collection cycle occurred
while inside the lock.
* Added support for :class:`~cryptography.hazmat.primitives.hashes.BLAKE2b` and
:class:`~cryptography.hazmat.primitives.hashes.BLAKE2s` when using OpenSSL
1.1.0.
* Added
:attr:`~cryptography.x509.Certificate.signature_algorithm_oid` support to
:class:`~cryptography.x509.Certificate`.
* Added
:attr:`~cryptography.x509.CertificateSigningRequest.signature_algorithm_oid`
support to :class:`~cryptography.x509.CertificateSigningRequest`.
* Added
:attr:`~cryptography.x509.CertificateRevocationList.signature_algorithm_oid`
support to :class:`~cryptography.x509.CertificateRevocationList`.
* Added support for :class:`~cryptography.hazmat.primitives.kdf.scrypt.Scrypt`
when using OpenSSL 1.1.0.
* Added a workaround to improve compatibility with Python application bundling
tools like ``PyInstaller`` and ``cx_freeze``.
* Added support for generating a
:meth:`~cryptography.x509.random_serial_number`.
* Added support for encoding ``IPv4Network`` and ``IPv6Network`` in X.509
certificates for use with :class:`~cryptography.x509.NameConstraints`.
* Added :meth:`~cryptography.x509.Name.public_bytes` to
:class:`~cryptography.x509.Name`.
* Added :class:`~cryptography.x509.RelativeDistinguishedName`
* :class:`~cryptography.x509.DistributionPoint` now accepts
:class:`~cryptography.x509.RelativeDistinguishedName` for
:attr:`~cryptography.x509.DistributionPoint.relative_name`.
Deprecated use of :class:`~cryptography.x509.Name` as
:attr:`~cryptography.x509.DistributionPoint.relative_name`.
* :class:`~cryptography.x509.Name` now accepts an iterable of
:class:`~cryptography.x509.RelativeDistinguishedName`. RDNs can
be accessed via the :attr:`~cryptography.x509.Name.rdns`
attribute. When constructed with an iterable of
:class:`~cryptography.x509.NameAttribute`, each attribute becomes
a single-valued RDN.
* Added
:func:`~cryptography.hazmat.primitives.asymmetric.ec.derive_private_key`.
* Added support for signing and verifying RSA, DSA, and ECDSA signatures with
:class:`~cryptography.hazmat.primitives.asymmetric.utils.Prehashed`
digests.
.. _v1-5-3:
1.5.3 - 2016-11-05
~~~~~~~~~~~~~~~~~~
* **SECURITY ISSUE**: Fixed a bug where ``HKDF`` would return an empty
byte-string if used with a ``length`` less than ``algorithm.digest_size``.
Credit to **Markus Döring** for reporting the issue. *CVE-2016-9243*
.. _v1-5-2:
1.5.2 - 2016-09-26
~~~~~~~~~~~~~~~~~~
* Updated Windows and OS X wheels to be compiled against OpenSSL 1.0.2j.
.. _v1-5-1:
1.5.1 - 2016-09-22
~~~~~~~~~~~~~~~~~~
* Updated Windows and OS X wheels to be compiled against OpenSSL 1.0.2i.
* Resolved a ``UserWarning`` when used with cffi 1.8.3.
* Fixed a memory leak in name creation with X.509.
* Added a workaround for old versions of setuptools.
* Fixed an issue preventing ``cryptography`` from compiling against
OpenSSL 1.0.2i.
.. _v1-5:
1.5 - 2016-08-26
~~~~~~~~~~~~~~~~
* Added
:func:`~cryptography.hazmat.primitives.asymmetric.padding.calculate_max_pss_salt_length`.
* Added "one shot"
:meth:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAPrivateKey.sign`
and
:meth:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAPublicKey.verify`
methods to DSA keys.
* Added "one shot"
:meth:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePrivateKey.sign`
and
:meth:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicKey.verify`
methods to ECDSA keys.
* Switched back to the older callback model on Python 3.5 in order to mitigate
the locking callback problem with OpenSSL <1.1.0.
* :class:`~cryptography.x509.CertificateBuilder`,
:class:`~cryptography.x509.CertificateRevocationListBuilder`, and
:class:`~cryptography.x509.RevokedCertificateBuilder` now accept timezone
aware ``datetime`` objects as method arguments
* ``cryptography`` now supports OpenSSL 1.1.0 as a compilation target.
.. _v1-4:
1.4 - 2016-06-04
~~~~~~~~~~~~~~~~
* Support for OpenSSL 0.9.8 has been removed. Users on older versions of
OpenSSL will need to upgrade.
* Added :class:`~cryptography.hazmat.primitives.kdf.kbkdf.KBKDFHMAC`.
* Added support for ``OpenSSH`` public key serialization.
* Added support for SHA-2 in RSA
:class:`~cryptography.hazmat.primitives.asymmetric.padding.OAEP` when using
OpenSSL 1.0.2 or greater.
* Added "one shot"
:meth:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPrivateKey.sign`
and
:meth:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPublicKey.verify`
methods to RSA keys.
* Deprecated the ``serial`` attribute on
:class:`~cryptography.x509.Certificate`, in favor of
:attr:`~cryptography.x509.Certificate.serial_number`.
.. _v1-3-4:
1.3.4 - 2016-06-03
~~~~~~~~~~~~~~~~~~
* Added another OpenSSL function to the bindings to support an upcoming
``pyOpenSSL`` release.
.. _v1-3-3:
1.3.3 - 2016-06-02
~~~~~~~~~~~~~~~~~~
* Added two new OpenSSL functions to the bindings to support an upcoming
``pyOpenSSL`` release.
.. _v1-3-2:
1.3.2 - 2016-05-04
~~~~~~~~~~~~~~~~~~
* Updated Windows and OS X wheels to be compiled against OpenSSL 1.0.2h.
* Fixed an issue preventing ``cryptography`` from compiling against
LibreSSL 2.3.x.
.. _v1-3-1:
1.3.1 - 2016-03-21
~~~~~~~~~~~~~~~~~~
* Fixed a bug that caused an ``AttributeError`` when using ``mock`` to patch
some ``cryptography`` modules.
.. _v1-3:
1.3 - 2016-03-18
~~~~~~~~~~~~~~~~
* Added support for padding ANSI X.923 with
:class:`~cryptography.hazmat.primitives.padding.ANSIX923`.
* Deprecated support for OpenSSL 0.9.8. Support will be removed in
``cryptography`` 1.4.
* Added support for the :class:`~cryptography.x509.PolicyConstraints`
X.509 extension including both parsing and generation using
:class:`~cryptography.x509.CertificateBuilder` and
:class:`~cryptography.x509.CertificateSigningRequestBuilder`.
* Added :attr:`~cryptography.x509.CertificateSigningRequest.is_signature_valid`
to :class:`~cryptography.x509.CertificateSigningRequest`.
* Fixed an intermittent ``AssertionError`` when performing an RSA decryption on
an invalid ciphertext, ``ValueError`` is now correctly raised in all cases.
* Added
:meth:`~cryptography.x509.AuthorityKeyIdentifier.from_issuer_subject_key_identifier`.
.. _v1-2-3:
1.2.3 - 2016-03-01
~~~~~~~~~~~~~~~~~~
* Updated Windows and OS X wheels to be compiled against OpenSSL 1.0.2g.
.. _v1-2-2:
1.2.2 - 2016-01-29
~~~~~~~~~~~~~~~~~~
* Updated Windows and OS X wheels to be compiled against OpenSSL 1.0.2f.
.. _v1-2-1:
1.2.1 - 2016-01-08
~~~~~~~~~~~~~~~~~~
* Reverts a change to an OpenSSL ``EVP_PKEY`` object that caused errors with
``pyOpenSSL``.
.. _v1-2:
1.2 - 2016-01-08
~~~~~~~~~~~~~~~~
* **BACKWARDS INCOMPATIBLE:**
:class:`~cryptography.x509.RevokedCertificate`
:attr:`~cryptography.x509.RevokedCertificate.extensions` now uses extension
classes rather than returning raw values inside the
:class:`~cryptography.x509.Extension`
:attr:`~cryptography.x509.Extension.value`. The new classes
are:
* :class:`~cryptography.x509.CertificateIssuer`
* :class:`~cryptography.x509.CRLReason`
* :class:`~cryptography.x509.InvalidityDate`
* Deprecated support for OpenSSL 0.9.8 and 1.0.0. At this time there is no time
table for actually dropping support, however we strongly encourage all users
to upgrade, as those versions no longer receive support from the OpenSSL
project.
* The :class:`~cryptography.x509.Certificate` class now has
:attr:`~cryptography.x509.Certificate.signature` and
:attr:`~cryptography.x509.Certificate.tbs_certificate_bytes` attributes.
* The :class:`~cryptography.x509.CertificateSigningRequest` class now has
:attr:`~cryptography.x509.CertificateSigningRequest.signature` and
:attr:`~cryptography.x509.CertificateSigningRequest.tbs_certrequest_bytes`
attributes.
* The :class:`~cryptography.x509.CertificateRevocationList` class now has
:attr:`~cryptography.x509.CertificateRevocationList.signature` and
:attr:`~cryptography.x509.CertificateRevocationList.tbs_certlist_bytes`
attributes.
* :class:`~cryptography.x509.NameConstraints` are now supported in the
:class:`~cryptography.x509.CertificateBuilder` and
:class:`~cryptography.x509.CertificateSigningRequestBuilder`.
* Support serialization of certificate revocation lists using the
:meth:`~cryptography.x509.CertificateRevocationList.public_bytes` method of
:class:`~cryptography.x509.CertificateRevocationList`.
* Add support for parsing :class:`~cryptography.x509.CertificateRevocationList`
:meth:`~cryptography.x509.CertificateRevocationList.extensions` in the
OpenSSL backend. The following extensions are currently supported:
* :class:`~cryptography.x509.AuthorityInformationAccess`
* :class:`~cryptography.x509.AuthorityKeyIdentifier`
* :class:`~cryptography.x509.CRLNumber`
* :class:`~cryptography.x509.IssuerAlternativeName`
* Added :class:`~cryptography.x509.CertificateRevocationListBuilder` and
:class:`~cryptography.x509.RevokedCertificateBuilder` to allow creation of
CRLs.
* Unrecognized non-critical X.509 extensions are now parsed into an
:class:`~cryptography.x509.UnrecognizedExtension` object.
.. _v1-1-2:
1.1.2 - 2015-12-10
~~~~~~~~~~~~~~~~~~
* Fixed a SIGBUS crash with the OS X wheels caused by redefinition of a
method.
* Fixed a runtime error ``undefined symbol EC_GFp_nistp224_method`` that
occurred with some OpenSSL installations.
* Updated Windows and OS X wheels to be compiled against OpenSSL 1.0.2e.
.. _v1-1-1:
1.1.1 - 2015-11-19
~~~~~~~~~~~~~~~~~~
* Fixed several small bugs related to compiling the OpenSSL bindings with
unusual OpenSSL configurations.
* Resolved an issue where, depending on the method of installation and
which Python interpreter they were using, users on El Capitan (OS X 10.11)
may have seen an ``InternalError`` on import.
.. _v1-1:
1.1 - 2015-10-28
~~~~~~~~~~~~~~~~
* Added support for Elliptic Curve Diffie-Hellman with
:class:`~cryptography.hazmat.primitives.asymmetric.ec.ECDH`.
* Added :class:`~cryptography.hazmat.primitives.kdf.x963kdf.X963KDF`.
* Added support for parsing certificate revocation lists (CRLs) using
:func:`~cryptography.x509.load_pem_x509_crl` and
:func:`~cryptography.x509.load_der_x509_crl`.
* Add support for AES key wrapping with
:func:`~cryptography.hazmat.primitives.keywrap.aes_key_wrap` and
:func:`~cryptography.hazmat.primitives.keywrap.aes_key_unwrap`.
* Added a ``__hash__`` method to :class:`~cryptography.x509.Name`.
* Add support for encoding and decoding elliptic curve points to a byte string
form using
:meth:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicNumbers.encode_point`
and
:meth:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicNumbers.from_encoded_point`.
* Added :meth:`~cryptography.x509.Extensions.get_extension_for_class`.
* :class:`~cryptography.x509.CertificatePolicies` are now supported in the
:class:`~cryptography.x509.CertificateBuilder`.
* ``countryName`` is now encoded as a ``PrintableString`` when creating subject
and issuer distinguished names with the Certificate and CSR builder classes.
.. _v1-0-2:
1.0.2 - 2015-09-27
~~~~~~~~~~~~~~~~~~
* **SECURITY ISSUE**: The OpenSSL backend prior to 1.0.2 made extensive use
of assertions to check response codes where our tests could not trigger a
failure. However, when Python is run with ``-O`` these asserts are optimized
away. If a user ran Python with this flag and got an invalid response code
this could result in undefined behavior or worse. Accordingly, all response
checks from the OpenSSL backend have been converted from ``assert``
to a true function call. Credit **Emilia Käsper (Google Security Team)**
for the report.
.. _v1-0-1:
1.0.1 - 2015-09-05
~~~~~~~~~~~~~~~~~~
* We now ship OS X wheels that statically link OpenSSL by default. When
installing a wheel on OS X 10.10+ (and using a Python compiled against the
10.10 SDK) users will no longer need to compile. See :doc:`/installation` for
alternate installation methods if required.
* Set the default string mask to UTF-8 in the OpenSSL backend to resolve
character encoding issues with older versions of OpenSSL.
* Several new OpenSSL bindings have been added to support a future pyOpenSSL
release.
* Raise an error during install on PyPy < 2.6. 1.0+ requires PyPy 2.6+.
.. _v1-0:
1.0 - 2015-08-12
~~~~~~~~~~~~~~~~
* Switched to the new `cffi`_ ``set_source`` out-of-line API mode for
compilation. This results in significantly faster imports and lowered
memory consumption. Due to this change we no longer support PyPy releases
older than 2.6 nor do we support any released version of PyPy3 (until a
version supporting cffi 1.0 comes out).
* Fix parsing of OpenSSH public keys that have spaces in comments.
* Support serialization of certificate signing requests using the
``public_bytes`` method of
:class:`~cryptography.x509.CertificateSigningRequest`.
* Support serialization of certificates using the ``public_bytes`` method of
:class:`~cryptography.x509.Certificate`.
* Add ``get_provisioning_uri`` method to
:class:`~cryptography.hazmat.primitives.twofactor.hotp.HOTP` and
:class:`~cryptography.hazmat.primitives.twofactor.totp.TOTP` for generating
provisioning URIs.
* Add :class:`~cryptography.hazmat.primitives.kdf.concatkdf.ConcatKDFHash`
and :class:`~cryptography.hazmat.primitives.kdf.concatkdf.ConcatKDFHMAC`.
* Raise a ``TypeError`` when passing objects that are not text as the value to
:class:`~cryptography.x509.NameAttribute`.
* Add support for :class:`~cryptography.x509.OtherName` as a general name
type.
* Added new X.509 extension support in :class:`~cryptography.x509.Certificate`
The following new extensions are now supported:
* :class:`~cryptography.x509.OCSPNoCheck`
* :class:`~cryptography.x509.InhibitAnyPolicy`
* :class:`~cryptography.x509.IssuerAlternativeName`
* :class:`~cryptography.x509.NameConstraints`
* Extension support was added to
:class:`~cryptography.x509.CertificateSigningRequest`.
* Add support for creating signed certificates with
:class:`~cryptography.x509.CertificateBuilder`. This includes support for
the following extensions:
* :class:`~cryptography.x509.BasicConstraints`
* :class:`~cryptography.x509.SubjectAlternativeName`
* :class:`~cryptography.x509.KeyUsage`
* :class:`~cryptography.x509.ExtendedKeyUsage`
* :class:`~cryptography.x509.SubjectKeyIdentifier`
* :class:`~cryptography.x509.AuthorityKeyIdentifier`
* :class:`~cryptography.x509.AuthorityInformationAccess`
* :class:`~cryptography.x509.CRLDistributionPoints`
* :class:`~cryptography.x509.InhibitAnyPolicy`
* :class:`~cryptography.x509.IssuerAlternativeName`
* :class:`~cryptography.x509.OCSPNoCheck`
* Add support for creating certificate signing requests with
:class:`~cryptography.x509.CertificateSigningRequestBuilder`. This includes
support for the same extensions supported in the ``CertificateBuilder``.
* Deprecate ``encode_rfc6979_signature`` and ``decode_rfc6979_signature`` in
favor of
:func:`~cryptography.hazmat.primitives.asymmetric.utils.encode_dss_signature`
and
:func:`~cryptography.hazmat.primitives.asymmetric.utils.decode_dss_signature`.
.. _v0-9-3:
0.9.3 - 2015-07-09
~~~~~~~~~~~~~~~~~~
* Updated Windows wheels to be compiled against OpenSSL 1.0.2d.
.. _v0-9-2:
0.9.2 - 2015-07-04
~~~~~~~~~~~~~~~~~~
* Updated Windows wheels to be compiled against OpenSSL 1.0.2c.
.. _v0-9-1:
0.9.1 - 2015-06-06
~~~~~~~~~~~~~~~~~~
* **SECURITY ISSUE**: Fixed a double free in the OpenSSL backend when using DSA
to verify signatures. Note that this only affects PyPy 2.6.0 and (presently
unreleased) CFFI versions greater than 1.1.0.
.. _v0-9:
0.9 - 2015-05-13
~~~~~~~~~~~~~~~~
* Removed support for Python 3.2. This version of Python is rarely used
and caused support headaches. Users affected by this should upgrade to 3.3+.
* Deprecated support for Python 2.6. At the time there is no time table for
actually dropping support, however we strongly encourage all users to upgrade
their Python, as Python 2.6 no longer receives support from the Python core
team.
* Add support for the
:class:`~cryptography.hazmat.primitives.asymmetric.ec.SECP256K1` elliptic
curve.
* Fixed compilation when using an OpenSSL which was compiled with the
``no-comp`` (``OPENSSL_NO_COMP``) option.
* Support :attr:`~cryptography.hazmat.primitives.serialization.Encoding.DER`
serialization of public keys using the ``public_bytes`` method of
:class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPublicKeyWithSerialization`,
:class:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAPublicKeyWithSerialization`,
and
:class:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicKeyWithSerialization`.
* Support :attr:`~cryptography.hazmat.primitives.serialization.Encoding.DER`
serialization of private keys using the ``private_bytes`` method of
:class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPrivateKeyWithSerialization`,
:class:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAPrivateKeyWithSerialization`,
and
:class:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePrivateKeyWithSerialization`.
* Add support for parsing X.509 certificate signing requests (CSRs) with
:func:`~cryptography.x509.load_pem_x509_csr` and
:func:`~cryptography.x509.load_der_x509_csr`.
* Moved ``cryptography.exceptions.InvalidToken`` to
:class:`cryptography.hazmat.primitives.twofactor.InvalidToken` and deprecated
the old location. This was moved to minimize confusion between this exception
and :class:`cryptography.fernet.InvalidToken`.
* Added support for X.509 extensions in :class:`~cryptography.x509.Certificate`
objects. The following extensions are supported as of this release:
* :class:`~cryptography.x509.BasicConstraints`
* :class:`~cryptography.x509.AuthorityKeyIdentifier`
* :class:`~cryptography.x509.SubjectKeyIdentifier`
* :class:`~cryptography.x509.KeyUsage`
* :class:`~cryptography.x509.SubjectAlternativeName`
* :class:`~cryptography.x509.ExtendedKeyUsage`
* :class:`~cryptography.x509.CRLDistributionPoints`
* :class:`~cryptography.x509.AuthorityInformationAccess`
* :class:`~cryptography.x509.CertificatePolicies`
Note that unsupported extensions with the critical flag raise
``UnsupportedExtension`` while unsupported extensions set to non-critical are
silently ignored. Read the :doc:`X.509 documentation</x509/index>` for more
information.
.. _v0-8-2:
0.8.2 - 2015-04-10
~~~~~~~~~~~~~~~~~~
* Fixed a race condition when initializing the OpenSSL or CommonCrypto backends
in a multi-threaded scenario.
.. _v0-8-1:
0.8.1 - 2015-03-20
~~~~~~~~~~~~~~~~~~
* Updated Windows wheels to be compiled against OpenSSL 1.0.2a.
.. _v0-8:
0.8 - 2015-03-08
~~~~~~~~~~~~~~~~
* :func:`~cryptography.hazmat.primitives.serialization.load_ssh_public_key` can
now load elliptic curve public keys.
* Added
:attr:`~cryptography.x509.Certificate.signature_hash_algorithm` support to
:class:`~cryptography.x509.Certificate`.
* Added
:func:`~cryptography.hazmat.primitives.asymmetric.rsa.rsa_recover_prime_factors`
* :class:`~cryptography.hazmat.primitives.kdf.KeyDerivationFunction` was moved
from ``cryptography.hazmat.primitives.interfaces`` to
:mod:`~cryptography.hazmat.primitives.kdf`.
* Added support for parsing X.509 names. See the
:doc:`X.509 documentation</x509/index>` for more information.
* Added
:func:`~cryptography.hazmat.primitives.serialization.load_der_private_key` to
support loading of DER encoded private keys and
:func:`~cryptography.hazmat.primitives.serialization.load_der_public_key` to
support loading DER encoded public keys.
* Fixed building against LibreSSL, a compile-time substitute for OpenSSL.
* FreeBSD 9.2 was removed from the continuous integration system.
* Updated Windows wheels to be compiled against OpenSSL 1.0.2.
* :func:`~cryptography.hazmat.primitives.serialization.load_pem_public_key`
and :func:`~cryptography.hazmat.primitives.serialization.load_der_public_key`
now support PKCS1 RSA public keys (in addition to the previous support for
SubjectPublicKeyInfo format for RSA, EC, and DSA).
* Added
:class:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePrivateKeyWithSerialization`
and deprecated ``EllipticCurvePrivateKeyWithNumbers``.
* Added
:meth:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePrivateKeyWithSerialization.private_bytes`
to
:class:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePrivateKeyWithSerialization`.
* Added
:class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPrivateKeyWithSerialization`
and deprecated ``RSAPrivateKeyWithNumbers``.
* Added
:meth:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPrivateKeyWithSerialization.private_bytes`
to
:class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPrivateKeyWithSerialization`.
* Added
:class:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAPrivateKeyWithSerialization`
and deprecated ``DSAPrivateKeyWithNumbers``.
* Added
:meth:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAPrivateKeyWithSerialization.private_bytes`
to
:class:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAPrivateKeyWithSerialization`.
* Added
:class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPublicKeyWithSerialization`
and deprecated ``RSAPublicKeyWithNumbers``.
* Added ``public_bytes`` to
:class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPublicKeyWithSerialization`.
* Added
:class:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicKeyWithSerialization`
and deprecated ``EllipticCurvePublicKeyWithNumbers``.
* Added ``public_bytes`` to
:class:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicKeyWithSerialization`.
* Added
:class:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAPublicKeyWithSerialization`
and deprecated ``DSAPublicKeyWithNumbers``.
* Added ``public_bytes`` to
:class:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAPublicKeyWithSerialization`.
* :class:`~cryptography.hazmat.primitives.hashes.HashAlgorithm` and
:class:`~cryptography.hazmat.primitives.hashes.HashContext` were moved from
``cryptography.hazmat.primitives.interfaces`` to
:mod:`~cryptography.hazmat.primitives.hashes`.
* :class:`~cryptography.hazmat.primitives.ciphers.CipherContext`,
:class:`~cryptography.hazmat.primitives.ciphers.AEADCipherContext`,
:class:`~cryptography.hazmat.primitives.ciphers.AEADEncryptionContext`,
:class:`~cryptography.hazmat.primitives.ciphers.CipherAlgorithm`, and
:class:`~cryptography.hazmat.primitives.ciphers.BlockCipherAlgorithm`
were moved from ``cryptography.hazmat.primitives.interfaces`` to
:mod:`~cryptography.hazmat.primitives.ciphers`.
* :class:`~cryptography.hazmat.primitives.ciphers.modes.Mode`,
:class:`~cryptography.hazmat.primitives.ciphers.modes.ModeWithInitializationVector`,
:class:`~cryptography.hazmat.primitives.ciphers.modes.ModeWithNonce`, and
:class:`~cryptography.hazmat.primitives.ciphers.modes.ModeWithAuthenticationTag`
were moved from ``cryptography.hazmat.primitives.interfaces`` to
:mod:`~cryptography.hazmat.primitives.ciphers.modes`.
* :class:`~cryptography.hazmat.primitives.padding.PaddingContext` was moved
from ``cryptography.hazmat.primitives.interfaces`` to
:mod:`~cryptography.hazmat.primitives.padding`.
*
:class:`~cryptography.hazmat.primitives.asymmetric.padding.AsymmetricPadding`
was moved from ``cryptography.hazmat.primitives.interfaces`` to
:mod:`~cryptography.hazmat.primitives.asymmetric.padding`.
* ``AsymmetricSignatureContext`` and ``AsymmetricVerificationContext``
were moved from ``cryptography.hazmat.primitives.interfaces`` to
``cryptography.hazmat.primitives.asymmetric``.
* :class:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAParameters`,
:class:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAParametersWithNumbers`,
:class:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAPrivateKey`,
``DSAPrivateKeyWithNumbers``,
:class:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAPublicKey` and
``DSAPublicKeyWithNumbers`` were moved from
``cryptography.hazmat.primitives.interfaces`` to
:mod:`~cryptography.hazmat.primitives.asymmetric.dsa`
* :class:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurve`,
:class:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurveSignatureAlgorithm`,
:class:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePrivateKey`,
``EllipticCurvePrivateKeyWithNumbers``,
:class:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicKey`,
and ``EllipticCurvePublicKeyWithNumbers``
were moved from ``cryptography.hazmat.primitives.interfaces`` to
:mod:`~cryptography.hazmat.primitives.asymmetric.ec`.
* :class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPrivateKey`,
``RSAPrivateKeyWithNumbers``,
:class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPublicKey` and
``RSAPublicKeyWithNumbers`` were moved from
``cryptography.hazmat.primitives.interfaces`` to
:mod:`~cryptography.hazmat.primitives.asymmetric.rsa`.
.. _v0-7-2:
0.7.2 - 2015-01-16
~~~~~~~~~~~~~~~~~~
* Updated Windows wheels to be compiled against OpenSSL 1.0.1l.
* ``enum34`` is no longer installed on Python 3.4, where it is included in
the standard library.
* Added a new function to the OpenSSL bindings to support additional
functionality in pyOpenSSL.
.. _v0-7-1:
0.7.1 - 2014-12-28
~~~~~~~~~~~~~~~~~~
* Fixed an issue preventing compilation on platforms where ``OPENSSL_NO_SSL3``
was defined.
.. _v0-7:
0.7 - 2014-12-17
~~~~~~~~~~~~~~~~
* Cryptography has been relicensed from the Apache Software License, Version
2.0, to being available under *either* the Apache Software License, Version
2.0, or the BSD license.
* Added key-rotation support to :doc:`Fernet </fernet>` with
:class:`~cryptography.fernet.MultiFernet`.
* More bit-lengths are now supported for ``p`` and ``q`` when loading DSA keys
from numbers.
* Added :class:`~cryptography.hazmat.primitives.mac.MACContext` as a
common interface for CMAC and HMAC and deprecated ``CMACContext``.
* Added support for encoding and decoding :rfc:`6979` signatures in
:doc:`/hazmat/primitives/asymmetric/utils`.
* Added
:func:`~cryptography.hazmat.primitives.serialization.load_ssh_public_key` to
support the loading of OpenSSH public keys (:rfc:`4253`). Only RSA and DSA
keys are currently supported.
* Added initial support for X.509 certificate parsing. See the
:doc:`X.509 documentation</x509/index>` for more information.
.. _v0-6-1:
0.6.1 - 2014-10-15
~~~~~~~~~~~~~~~~~~
* Updated Windows wheels to be compiled against OpenSSL 1.0.1j.
* Fixed an issue where OpenSSL 1.0.1j changed the errors returned by some
functions.
* Added our license file to the ``cryptography-vectors`` package.
* Implemented DSA hash truncation support (per FIPS 186-3) in the OpenSSL
backend. This works around an issue in 1.0.0, 1.0.0a, and 1.0.0b where
truncation was not implemented.
.. _v0-6:
0.6 - 2014-09-29
~~~~~~~~~~~~~~~~
* Added
:func:`~cryptography.hazmat.primitives.serialization.load_pem_private_key` to
ease loading private keys, and
:func:`~cryptography.hazmat.primitives.serialization.load_pem_public_key` to
support loading public keys.
* Removed the, deprecated in 0.4, support for the ``salt_length`` argument to
the :class:`~cryptography.hazmat.primitives.asymmetric.padding.MGF1`
constructor. The ``salt_length`` should be passed to
:class:`~cryptography.hazmat.primitives.asymmetric.padding.PSS` instead.
* Fix compilation on OS X Yosemite.
* Deprecated ``elliptic_curve_private_key_from_numbers`` and
``elliptic_curve_public_key_from_numbers`` in favor of
``load_elliptic_curve_private_numbers`` and
``load_elliptic_curve_public_numbers`` on
:class:`~cryptography.hazmat.backends.interfaces.EllipticCurveBackend`.
* Added ``EllipticCurvePrivateKeyWithNumbers`` and
``EllipticCurvePublicKeyWithNumbers`` support.
* Work around three GCM related bugs in CommonCrypto and OpenSSL.
* On the CommonCrypto backend adding AAD but not subsequently calling update
would return null tag bytes.
* One the CommonCrypto backend a call to update without an empty add AAD call
would return null ciphertext bytes.
* On the OpenSSL backend with certain versions adding AAD only would give
invalid tag bytes.
* Support loading EC private keys from PEM.
.. _v0-5-4:
0.5.4 - 2014-08-20
~~~~~~~~~~~~~~~~~~
* Added several functions to the OpenSSL bindings to support new
functionality in pyOpenSSL.
* Fixed a redefined constant causing compilation failure with Solaris 11.2.
.. _v0-5-3:
0.5.3 - 2014-08-06
~~~~~~~~~~~~~~~~~~
* Updated Windows wheels to be compiled against OpenSSL 1.0.1i.
.. _v0-5-2:
0.5.2 - 2014-07-09
~~~~~~~~~~~~~~~~~~
* Add ``TraditionalOpenSSLSerializationBackend`` support to ``multibackend``.
* Fix compilation error on OS X 10.8 (Mountain Lion).
.. _v0-5-1:
0.5.1 - 2014-07-07
~~~~~~~~~~~~~~~~~~
* Add ``PKCS8SerializationBackend`` support to ``multibackend``.
.. _v0-5:
0.5 - 2014-07-07
~~~~~~~~~~~~~~~~
* **BACKWARDS INCOMPATIBLE:**
:class:`~cryptography.hazmat.primitives.ciphers.modes.GCM` no longer allows
truncation of tags by default. Previous versions of ``cryptography`` allowed
tags to be truncated by default, applications wishing to preserve this
behavior (not recommended) can pass the ``min_tag_length`` argument.
* Windows builds now statically link OpenSSL by default. When installing a
wheel on Windows you no longer need to install OpenSSL separately. Windows
users can switch between static and dynamic linking with an environment
variable. See :doc:`/installation` for more details.
* Added :class:`~cryptography.hazmat.primitives.kdf.hkdf.HKDFExpand`.
* Added :class:`~cryptography.hazmat.primitives.ciphers.modes.CFB8` support
for :class:`~cryptography.hazmat.primitives.ciphers.algorithms.AES` and
:class:`~cryptography.hazmat.primitives.ciphers.algorithms.TripleDES` on
``commoncrypto`` and :doc:`/hazmat/backends/openssl`.
* Added ``AES`` :class:`~cryptography.hazmat.primitives.ciphers.modes.CTR`
support to the OpenSSL backend when linked against 0.9.8.
* Added ``PKCS8SerializationBackend`` and
``TraditionalOpenSSLSerializationBackend`` support to the
:doc:`/hazmat/backends/openssl`.
* Added :doc:`/hazmat/primitives/asymmetric/ec` and
:class:`~cryptography.hazmat.backends.interfaces.EllipticCurveBackend`.
* Added :class:`~cryptography.hazmat.primitives.ciphers.modes.ECB` support
for :class:`~cryptography.hazmat.primitives.ciphers.algorithms.TripleDES` on
``commoncrypto`` and :doc:`/hazmat/backends/openssl`.
* Deprecated the concrete ``RSAPrivateKey`` class in favor of backend
specific providers of the
:class:`cryptography.hazmat.primitives.asymmetric.rsa.RSAPrivateKey`
interface.
* Deprecated the concrete ``RSAPublicKey`` in favor of backend specific
providers of the
:class:`cryptography.hazmat.primitives.asymmetric.rsa.RSAPublicKey`
interface.
* Deprecated the concrete ``DSAPrivateKey`` class in favor of backend
specific providers of the
:class:`cryptography.hazmat.primitives.asymmetric.dsa.DSAPrivateKey`
interface.
* Deprecated the concrete ``DSAPublicKey`` class in favor of backend specific
providers of the
:class:`cryptography.hazmat.primitives.asymmetric.dsa.DSAPublicKey`
interface.
* Deprecated the concrete ``DSAParameters`` class in favor of backend specific
providers of the
:class:`cryptography.hazmat.primitives.asymmetric.dsa.DSAParameters`
interface.
* Deprecated ``encrypt_rsa``, ``decrypt_rsa``, ``create_rsa_signature_ctx`` and
``create_rsa_verification_ctx`` on
:class:`~cryptography.hazmat.backends.interfaces.RSABackend`.
* Deprecated ``create_dsa_signature_ctx`` and ``create_dsa_verification_ctx``
on :class:`~cryptography.hazmat.backends.interfaces.DSABackend`.
.. _v0-4:
0.4 - 2014-05-03
~~~~~~~~~~~~~~~~
* Deprecated ``salt_length`` on
:class:`~cryptography.hazmat.primitives.asymmetric.padding.MGF1` and added it
to :class:`~cryptography.hazmat.primitives.asymmetric.padding.PSS`. It will
be removed from ``MGF1`` in two releases per our :doc:`/api-stability`
policy.
* Added :class:`~cryptography.hazmat.primitives.ciphers.algorithms.SEED`
support.
* Added :class:`~cryptography.hazmat.primitives.cmac.CMAC`.
* Added decryption support to
:class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPrivateKey`
and encryption support to
:class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPublicKey`.
* Added signature support to
:class:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAPrivateKey`
and verification support to
:class:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAPublicKey`.
.. _v0-3:
0.3 - 2014-03-27
~~~~~~~~~~~~~~~~
* Added :class:`~cryptography.hazmat.primitives.twofactor.hotp.HOTP`.
* Added :class:`~cryptography.hazmat.primitives.twofactor.totp.TOTP`.
* Added :class:`~cryptography.hazmat.primitives.ciphers.algorithms.IDEA`
support.
* Added signature support to
:class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPrivateKey`
and verification support to
:class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPublicKey`.
* Moved test vectors to the new ``cryptography_vectors`` package.
.. _v0-2-2:
0.2.2 - 2014-03-03
~~~~~~~~~~~~~~~~~~
* Removed a constant definition that was causing compilation problems with
specific versions of OpenSSL.
.. _v0-2-1:
0.2.1 - 2014-02-22
~~~~~~~~~~~~~~~~~~
* Fix a bug where importing cryptography from multiple paths could cause
initialization to fail.
.. _v0-2:
0.2 - 2014-02-20
~~~~~~~~~~~~~~~~
* Added ``commoncrypto``.
* Added initial ``commoncrypto``.
* Removed ``register_cipher_adapter`` method from
:class:`~cryptography.hazmat.backends.interfaces.CipherBackend`.
* Added support for the OpenSSL backend under Windows.
* Improved thread-safety for the OpenSSL backend.
* Fixed compilation on systems where OpenSSL's ``ec.h`` header is not
available, such as CentOS.
* Added :class:`~cryptography.hazmat.primitives.kdf.pbkdf2.PBKDF2HMAC`.
* Added :class:`~cryptography.hazmat.primitives.kdf.hkdf.HKDF`.
* Added ``multibackend``.
* Set default random for the :doc:`/hazmat/backends/openssl` to the OS
random engine.
* Added :class:`~cryptography.hazmat.primitives.ciphers.algorithms.CAST5`
(CAST-128) support.
.. _v0-1:
0.1 - 2014-01-08
~~~~~~~~~~~~~~~~
* Initial release.
.. _`master`: https://github.com/pyca/cryptography/
.. _`cffi`: https://cffi.readthedocs.io/
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