* **SECURITY ISSUE:** Attempted to make RSA PKCS#1v1.5 decryption more constant
time, to protect against Bleichenbacher vulnerabilities. Due to limitations
imposed by our API, we cannot completely mitigate this vulnerability and a
future release will contain a new API which is designed to be resilient to
these for contexts where it is required. Credit to **Hubert Kario** for
reporting the issue. *CVE-2020-25659*
* Support for OpenSSL 1.0.2 has been removed. Users on older version of OpenSSL
will need to upgrade.
* Added basic support for PKCS7 signing (including SMIME) via
:class:`~cryptography.hazmat.primitives.serialization.pkcs7.PKCS7SignatureBuilder`.
.. _v3-1-1:
3.1.1 - 2020-09-22
Updated Windows, macOS, and manylinux wheels to be compiled with
OpenSSL 1.1.1h.
.. _v3-1:
3.1 - 2020-08-26
* **BACKWARDS INCOMPATIBLE:** Removed support for ``idna`` based
:term:`U-label` parsing in various X.509 classes. This support was originally
deprecated in version 2.1 and moved to an extra in 2.5.
* Deprecated OpenSSL 1.0.2 support. OpenSSL 1.0.2 is no longer supported by
the OpenSSL project. The next version of ``cryptography`` will drop support
for it.
* Deprecated support for Python 3.5. This version sees very little use and will
be removed in the next release.
* ``backend`` arguments to functions are no longer required and the
default backend will automatically be selected if no ``backend`` is provided.
* Added initial support for parsing certificates from PKCS7 files with
:func:`~cryptography.hazmat.primitives.serialization.pkcs7.load_pem_pkcs7_certificates`
and
:func:`~cryptography.hazmat.primitives.serialization.pkcs7.load_der_pkcs7_certificates`
.
* Calling ``update`` or ``update_into`` on
:class:`~cryptography.hazmat.primitives.ciphers.CipherContext` with ``data``
longer than 2\ :sup:`31` bytes no longer raises an ``OverflowError``. This
also resolves the same issue in :doc:`/fernet`.
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Bumps cryptography from 2.7 to 3.2.
Changelog
Sourced from cryptography's changelog.
... (truncated)
Commits
c9e65223.2 release (#5508)58494b4Attempt to mitigate Bleichenbacher attacks on RSA decryption (#5507)cf9bd6amove blinding to init on both RSA public and private (#5506)bf4b962be more verbose in the 102 deprecation notice (#5505)ada53e7make the regexes for branches more strict (#5504)8be1d4bStop using @master for GH actions (#5503)08a97ccBump actions/upload-artifact from v1 to v2.2.0 (#5502)52a0e44Add a dependabot configuration to bump our github actions (#5501)611c4a3PKCS7SignatureBuilder now supports new option NoCerts when signing (#5500)836a92achunking didn't actually work (#5499)Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
@dependabot rebase.Dependabot commands and options
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