pyca/pyopenssl

View on GitHub

A Python wrapper around the OpenSSL library

Stars: 944
Forks: 440
Open beginner issues: 1
Indexed issues: 64
Avg merge: 1d 6h
Merged PRs (30d): 6

Dominant language: Python
License: Apache-2.0
Last GitHub push: Sep 8, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

Open All

64 open issues indexed

Allow to trigger a TLS 1.3 KeyUpdate Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

pyca/pyopenssl#1501 · 3 comments · Opened May 9, 2026
Backport AWS-LC compatibility to 24.x and 25.x Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

pyca/pyopenssl#1493 · 3 comments · Opened Apr 14, 2026
Documentation is misleading about when get_notBefore and get_notAfter return None Open

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

pyca/pyopenssl#1488 · 3 comments · Opened Apr 1, 2026
[docs regression in v18.0.0] The API document lost all `socket.socket`-derived attributes Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

pyca/pyopenssl#1465 · Opened Nov 25, 2025
TestOCSP.test_client_receives_servers_data fails with openssl 3.6.0 Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

pyca/pyopenssl#1455 · 3 comments · Opened Oct 8, 2025
Add support for set_client_hello_callback to expose TLS ClientHello in Python to enable JA3 TLS fingerprinting Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

pyca/pyopenssl#1430 · 4 comments · Opened Jul 5, 2025
Support for Post-Quantum Cryptography in PyOpenSSL Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

pyca/pyopenssl#1424 · 1 comment · 7 reactions · Opened Apr 2, 2025
Replacement for CRL name hash computation Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

pyca/pyopenssl#1412 · 3 comments · Opened Jan 18, 2025
Issue with TLS 1.3 Session Resumption in PyOpenSSL Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

pyca/pyopenssl#1380 · 2 comments · Opened Nov 5, 2024
Issue with Handling Invalid or Malformed TLS/DTLS Handshake Messages Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

pyca/pyopenssl#1324 · Opened Jul 24, 2024
Issue with DTLS: Unable to Achieve Handshake Between Client and Serve Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

pyca/pyopenssl#1323 · 1 comment · Opened Jul 24, 2024
sect163k1 is not appearing in the ClientHello message Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pyca/pyopenssl#1322 · Opened Jul 24, 2024
Deprecate/remove all non-SSL APIs in pyOpenSSL Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

pyca/pyopenssl#1321 · 5 comments · 2 reactions · Opened Jul 20, 2024
expose `SSL_set_info_callback` (i.e. `Connection.set_info_callback`) Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

pyca/pyopenssl#1304 · Opened May 1, 2024
Add SSL_OP_CLEANSE_PLAINTEXT to exported set of options Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

pyca/pyopenssl#1302 · Opened Apr 15, 2024
24.1.0: sphinx warnings `reference target not found` Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

pyca/pyopenssl#1299 · 1 comment · Opened Mar 14, 2024
Use SSL_session_reused API Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

pyca/pyopenssl#1275 · 1 comment · Opened Dec 9, 2023
High CPU and bandwidth usage with small send()s in OpenSSL.SSL.Connection Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

pyca/pyopenssl#1250 · 2 comments · Opened Sep 13, 2023
Is there a way to get the session_id from the pyopenssl Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

pyca/pyopenssl#1244 · 9 comments · Opened Aug 21, 2023
TLSv1 handshake failure when called do_handshake() error : OpenSSL.SSL.Error: [('SSL routines', '', 'no protocols available')] Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

pyca/pyopenssl#1243 · 1 comment · Opened Aug 20, 2023
Does order matter when verifying an X.509 store? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

pyca/pyopenssl#1237 · 2 comments · Opened Aug 8, 2023
SSL_CTX_set_cipher_list missing implementation Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pyca/pyopenssl#1224 · 1 comment · Opened Jun 6, 2023
Missing export of `OpenSSL.SSL.FILETYPE_ASN1` Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

pyca/pyopenssl#1217 · 1 comment · Opened May 25, 2023
Misleading docstring in test_renegotiation Open

Difficulty 1/5 Under an hour Newbie friendliness 55/100

pyca/pyopenssl#1216 · 1 reaction · Opened May 23, 2023
bind SSL_get_info_callback Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

pyca/pyopenssl#1215 · Opened May 9, 2023
test_ssl:TestConnection.test_connect_ex succeeds unexpectedly on FreeBSD 13.1-RELEASE-p3 Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

pyca/pyopenssl#1192 · 1 comment · 1 reaction · Opened Mar 13, 2023
[macOS] SysCallError: (32, 'EPIPE') when the server requires certs but the client does not present one Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

pyca/pyopenssl#1189 · 4 comments · Opened Feb 22, 2023
support for X509_STORE_CTX_set_verify_cb() Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pyca/pyopenssl#1182 · Opened Jan 23, 2023
RFC 9266: Channel Bindings for TLS 1.3 support Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

pyca/pyopenssl#1138 · Opened Jul 27, 2022
Memory Leak with Async Code Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

pyca/pyopenssl#1120 · 5 comments · Opened May 11, 2022
missing SSL_CTX_set_quiet_shutdown wrapper Open

Difficulty 2/5 1-2 days Newbie friendliness 45/100

pyca/pyopenssl#1112 · Opened Apr 12, 2022
Way to get ticket key Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

pyca/pyopenssl#1044 · Opened Sep 29, 2021
Still need to support hostname verification Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pyca/pyopenssl#1020 · 6 comments · Opened May 18, 2021
Socket timeout error when uploading file more than 16kb Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

pyca/pyopenssl#1019 · Opened May 13, 2021
sock.get_client_ca_list() returns empty result with TLS1.3 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pyca/pyopenssl#1010 · Opened Apr 2, 2021
DANE support? Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

pyca/pyopenssl#995 · Opened Mar 1, 2021
How to set timeout for do_handshake()? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

pyca/pyopenssl#986 · 3 comments · 2 reactions · Opened Dec 31, 2020
test_verify_with_time test fails on i686 Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

pyca/pyopenssl#974 · 4 comments · Opened Dec 13, 2020
Error in do_handshake() Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

pyca/pyopenssl#916 · 7 comments · Opened Jun 20, 2020
wrap session serialization functions Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pyca/pyopenssl#891 · 1 reaction · Opened Feb 23, 2020
MemoryError: Cannot allocate write+execute memory for ffi.callback() Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

pyca/pyopenssl#873 · 57 comments · 13 reactions · Opened Nov 1, 2019
Add binding for SSL_CTX_set1_sigalgs_list Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

pyca/pyopenssl#848 · 3 comments · Opened Jul 3, 2019
set_session_id method is missing a word in its name Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

pyca/pyopenssl#845 · 2 comments · Opened Jun 10, 2019
[TLS 1.3] Add post-handshake auth support Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pyca/pyopenssl#793 · 2 comments · Opened Sep 21, 2018
Numerous test failures with libressl Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

pyca/pyopenssl#791 · 5 comments · Opened Aug 30, 2018
Empty list of errors from SSL.bio_read Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

pyca/pyopenssl#766 · 1 comment · Opened Jun 5, 2018
Parametrize the TLS method used in tests Open

beginner-friendly

Difficulty 3/5 1-2 days Newbie friendliness 45/100

pyca/pyopenssl#758 · Opened May 16, 2018
X509StoreContextError - path length constraint exceeded Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

pyca/pyopenssl#685 · 1 reaction · Opened Aug 23, 2017
TestX509StoreContext::test_verify_with_time FAILED Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

pyca/pyopenssl#684 · 10 comments · Opened Aug 17, 2017
Add support for TLS 1.3 Early Data Open

waiting-for-bindings

Difficulty 4/5 3-5 days Newbie friendliness 25/100

pyca/pyopenssl#638 · 2 comments · Opened Jun 14, 2017

pyca/pyopenssl

Get new issues in your inbox