* **SECURITY ISSUE** - Fixed a bug where ``Cipher.update_into`` accepted Python
buffer protocol objects, but allowed immutable buffers. **CVE-2023-23931**
* Updated Windows, macOS, and Linux wheels to be compiled with OpenSSL 3.0.8.
.. _v39-0-0:
39.0.0 - 2023-01-01
BACKWARDS INCOMPATIBLE: Support for OpenSSL 1.1.0 has been removed.
Users on older version of OpenSSL will need to upgrade.
BACKWARDS INCOMPATIBLE: Dropped support for LibreSSL < 3.5. The new
minimum LibreSSL version is 3.5.0. Going forward our policy is to support
versions of LibreSSL that are available in versions of OpenBSD that are
still receiving security support.
BACKWARDS INCOMPATIBLE: Removed the encode_point and
from_encoded_point methods on
:class:~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicNumbers,
which had been deprecated for several years.
:meth:~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicKey.public_bytes
and
:meth:~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicKey.from_encoded_point
should be used instead.
BACKWARDS INCOMPATIBLE: Support for using MD5 or SHA1 in
:class:~cryptography.x509.CertificateBuilder, other X.509 builders, and
PKCS7 has been removed.
BACKWARDS INCOMPATIBLE: Dropped support for macOS 10.10 and 10.11, macOS
users must upgrade to 10.12 or newer.
ANNOUNCEMENT: The next version of cryptography (40.0) will change
the way we link OpenSSL. This will only impact users who build
cryptography from source (i.e., not from a wheel), and specify their
own version of OpenSSL. For those users, the CFLAGS, LDFLAGS,
INCLUDE, LIB, and CRYPTOGRAPHY_SUPPRESS_LINK_FLAGS environment
variables will no longer be respected. Instead, users will need to
configure their builds as documented here_.
Added support for
:ref:disabling the legacy provider in OpenSSL 3.0.x<legacy-provider>.
Added support for disabling RSA key validation checks when loading RSA
keys via
:func:~cryptography.hazmat.primitives.serialization.load_pem_private_key,
:func:~cryptography.hazmat.primitives.serialization.load_der_private_key,
and
:meth:~cryptography.hazmat.primitives.asymmetric.rsa.RSAPrivateNumbers.private_key.
This speeds up key loading but is :term:unsafe if you are loading potentially
attacker supplied keys.
Significantly improved performance for
:class:~cryptography.hazmat.primitives.ciphers.aead.ChaCha20Poly1305
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Bumps cryptography from 2.8 to 39.0.1.
Changelog
Sourced from cryptography's changelog.
... (truncated)
Commits
d6951dcchangelog + security fix backport (#8231)138da90workaround scapy bug in downstream tests (#8218) (#8228)69527bcbookworm is py311 now (#8200)111deefbackport main branch CI to 39.0.x (#8153)338a65a39.0.0 version bump (#7954)84a3cd7automatically download and upload circleci wheels (#7949)525c0b3Type annotate release.py (#7951)46d2a94Use the latest 3.10 release when wheel building (#7953)f150dc1fix CI to work with ubuntu 22.04 (#7950)8867724fix README for python3 (#7947)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
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