Description:
pyOpenSSL 24.2.1
Note: The Python Cryptographic Authority strongly suggests the use of pyca/cryptography
where possible. If you are using pyOpenSSL for anything other than making a TLS connection
you should move to cryptography and drop your pyOpenSSL dependency.
High-level wrapper around a subset of the OpenSSL library. Includes
SSL.Connection objects, wrapping the methods of Python’s portable sockets
Callbacks written in Python
Extensive error-handling mechanism, mirroring OpenSSL’s error codes
… and much more.
You can find more information in the documentation.
Development takes place on GitHub.
Discussion
If you run into bugs, you can file them in our issue tracker.
We maintain a cryptography-dev mailing list for both user and development discussions.
You can also join #pyca on irc.libera.chat to ask questions or get involved.
Release Information
24.2.1 (2024-07-20)
Backward-incompatible changes:
Deprecations:
Changes:
Fixed changelog to remove sphinx specific restructured text strings.
24.2.0 (2024-07-20)
Backward-incompatible changes:
Deprecations:
Deprecated OpenSSL.crypto.X509Req, OpenSSL.crypto.load_certificate_request, OpenSSL.crypto.dump_certificate_request. Instead, cryptography.x509.CertificateSigningRequest, cryptography.x509.CertificateSigningRequestBuilder, cryptography.x509.load_der_x509_csr, or cryptography.x509.load_pem_x509_csr should be used.
Changes:
Added type hints for the SSL module.
#1308.
Changed OpenSSL.crypto.PKey.from_cryptography_key to accept public and private EC, ED25519, ED448 keys.
#1310.
24.1.0 (2024-03-09)
Backward-incompatible changes:
Removed the deprecated OpenSSL.crypto.PKCS12 and
OpenSSL.crypto.NetscapeSPKI. OpenSSL.crypto.PKCS12 may be replaced
by the PKCS#12 APIs in the cryptography package.
Deprecations:
Changes:
24.0.0 (2024-01-22)
Backward-incompatible changes:
Deprecations:
Changes:
Added OpenSSL.SSL.Connection.get_selected_srtp_profile to determine which SRTP profile was negotiated.
#1279.
23.3.0 (2023-10-25)
Backward-incompatible changes:
Dropped support for Python 3.6.
The minimum cryptography version is now 41.0.5.
Removed OpenSSL.crypto.load_pkcs7 and OpenSSL.crypto.load_pkcs12 which had been deprecated for 3 years.
Added OpenSSL.SSL.OP_LEGACY_SERVER_CONNECT to allow legacy insecure renegotiation between OpenSSL and unpatched servers.
#1234.
Deprecations:
Deprecated OpenSSL.crypto.PKCS12 (which was intended to have been deprecated at the same time as OpenSSL.crypto.load_pkcs12).
Deprecated OpenSSL.crypto.NetscapeSPKI.
Deprecated OpenSSL.crypto.CRL
Deprecated OpenSSL.crypto.Revoked
Deprecated OpenSSL.crypto.load_crl and OpenSSL.crypto.dump_crl
Deprecated OpenSSL.crypto.sign and OpenSSL.crypto.verify
Deprecated OpenSSL.crypto.X509Extension
Changes:
Changed OpenSSL.crypto.X509Store.add_crl to also accept
cryptography’s x509.CertificateRevocationList arguments in addition
to the now deprecated OpenSSL.crypto.CRL arguments.
Fixed test_set_default_verify_paths test so that it is skipped if no
network connection is available.
23.2.0 (2023-05-30)
Backward-incompatible changes:
Removed X509StoreFlags.NOTIFY_POLICY.
#1213.
Deprecations:
Changes:
cryptography maximum version has been increased to 41.0.x.
Invalid versions are now rejected in OpenSSL.crypto.X509Req.set_version.
Added X509VerificationCodes to OpenSSL.SSL.
#1202.
23.1.1 (2023-03-28)
Backward-incompatible changes:
Deprecations:
Changes:
Worked around an issue in OpenSSL 3.1.0 which caused X509Extension.get_short_name to raise an exception when no short name was known to OpenSSL.
#1204.
23.1.0 (2023-03-24)
Backward-incompatible changes:
Deprecations:
Changes:
cryptography maximum version has been increased to 40.0.x.
Add OpenSSL.SSL.Connection.DTLSv1_get_timeout and OpenSSL.SSL.Connection.DTLSv1_handle_timeout
to support DTLS timeouts #1180.
23.0.0 (2023-01-01)
Backward-incompatible changes:
Deprecations:
Changes:
Add OpenSSL.SSL.X509StoreFlags.PARTIAL_CHAIN constant to allow for users
to perform certificate verification on partial certificate chains.
#1166
cryptography maximum version has been increased to 39.0.x.
22.1.0 (2022-09-25)
Backward-incompatible changes:
Remove support for SSLv2 and SSLv3.
The minimum cryptography version is now 38.0.x (and we now pin releases
against cryptography major versions to prevent future breakage)
The OpenSSL.crypto.X509StoreContextError exception has been refactored,
changing its internal attributes.
#1133
Deprecations:
OpenSSL.SSL.SSLeay_version is deprecated in favor of
OpenSSL.SSL.OpenSSL_version. The constants OpenSSL.SSL.SSLEAY_* are
deprecated in favor of OpenSSL.SSL.OPENSSL_*.
Changes:
Add OpenSSL.SSL.Connection.set_verify and OpenSSL.SSL.Connection.get_verify_mode
to override the context object’s verification flags.
#1073
Add OpenSSL.SSL.Connection.use_certificate and OpenSSL.SSL.Connection.use_privatekey
to set a certificate per connection (and not just per context) #1121.
22.0.0 (2022-01-29)
Backward-incompatible changes:
Drop support for Python 2.7.
#1047
The minimum cryptography version is now 35.0.
Deprecations:
Changes:
Expose wrappers for some DTLS
primitives. #1026
21.0.0 (2021-09-28)
Backward-incompatible changes:
The minimum cryptography version is now 3.3.
Drop support for Python 3.5
Deprecations:
Changes:
Raise an error when an invalid ALPN value is set.
#993
Added OpenSSL.SSL.Context.set_min_proto_version and OpenSSL.SSL.Context.set_max_proto_version
to set the minimum and maximum supported TLS version #985.
Updated to_cryptography and from_cryptography methods to support an upcoming release of cryptography without raising deprecation warnings.
#1030
20.0.1 (2020-12-15)
Backward-incompatible changes:
Deprecations:
Changes:
Fixed compatibility with OpenSSL 1.1.0.
20.0.0 (2020-11-27)
Backward-incompatible changes:
The minimum cryptography version is now 3.2.
Remove deprecated OpenSSL.tsafe module.
Removed deprecated OpenSSL.SSL.Context.set_npn_advertise_callback, OpenSSL.SSL.Context.set_npn_select_callback, and OpenSSL.SSL.Connection.get_next_proto_negotiated.
Drop support for Python 3.4
Drop support for OpenSSL 1.0.1 and 1.0.2
Deprecations:
Deprecated OpenSSL.crypto.load_pkcs7 and OpenSSL.crypto.load_pkcs12.
Changes:
Added a new optional chain parameter to OpenSSL.crypto.X509StoreContext()
where additional untrusted certificates can be specified to help chain building.
#948
Added OpenSSL.crypto.X509Store.load_locations to set trusted
certificate file bundles and/or directories for verification.
#943
Added Context.set_keylog_callback to log key material.
#910
Added OpenSSL.SSL.Connection.get_verified_chain to retrieve the
verified certificate chain of the peer.
#894.
Make verification callback optional in Context.set_verify.
If omitted, OpenSSL’s default verification is used.
#933
Fixed a bug that could truncate or cause a zero-length key error due to a
null byte in private key passphrase in OpenSSL.crypto.load_privatekey
and OpenSSL.crypto.dump_privatekey.
#947
19.1.0 (2019-11-18)
Backward-incompatible changes:
Removed deprecated ContextType, ConnectionType, PKeyType, X509NameType, X509ReqType, X509Type, X509StoreType, CRLType, PKCS7Type, PKCS12Type, and NetscapeSPKIType aliases.
Use the classes without the Type suffix instead.
#814
The minimum cryptography version is now 2.8 due to issues on macOS with a transitive dependency.
#875
Deprecations:
Deprecated OpenSSL.SSL.Context.set_npn_advertise_callback, OpenSSL.SSL.Context.set_npn_select_callback, and OpenSSL.SSL.Connection.get_next_proto_negotiated.
ALPN should be used instead.
#820
Changes:
Support bytearray in SSL.Connection.send() by using cffi’s from_buffer.
#852
The OpenSSL.SSL.Context.set_alpn_select_callback can return a new NO_OVERLAPPING_PROTOCOLS sentinel value
to allow a TLS handshake to complete without an application protocol.
Full changelog.
License
For personal and professional use. You cannot resell or redistribute these repositories in their original state.
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