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- Changelog
- =========
- .. _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:`~cryptography.x509.DNSName.value`,
- :attr:`~cryptography.x509.RFC822Name.value`, and
- :attr:`~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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