Added tls bindings for new OpenSSL APIs (#5595)

fixes #5379
closes #5483

1 files changed, 10 insertions, 0 deletions

diff --git a/src/cryptography/hazmat/bindings/openssl/_conditional.py b/src/cryptography/hazmat/bindings/openssl/_conditional.py
index d990999cd..ca50fed13 100644
--- a/src/cryptography/hazmat/bindings/openssl/_conditional.py
+++ b/src/cryptography/hazmat/bindings/openssl/_conditional.py
@@ -262,6 +262,15 @@ def cryptography_has_srtp():
     ]
 
 
+def cryptography_has_get_proto_version():
+    return [
+        "SSL_CTX_get_min_proto_version",
+        "SSL_CTX_get_max_proto_version",
+        "SSL_get_min_proto_version",
+        "SSL_get_max_proto_version",
+    ]
+
+
 # This is a mapping of
 # {condition: function-returning-names-dependent-on-that-condition} so we can
 # loop over them and delete unsupported names at runtime. It will be removed
@@ -309,4 +318,5 @@ CONDITIONAL_NAMES = {
     "Cryptography_HAS_ENGINE": cryptography_has_engine,
     "Cryptography_HAS_VERIFIED_CHAIN": cryptography_has_verified_chain,
     "Cryptography_HAS_SRTP": cryptography_has_srtp,
+    "Cryptography_HAS_GET_PROTO_VERSION": cryptography_has_get_proto_version,
 }