Issue #8484: Load all ciphers and digest algorithms when initializing
the _ssl extension, such that verification of some SSL certificates
doesn't fail because of an "unknown algorithm".
diff --git a/Modules/_ssl.c b/Modules/_ssl.c
index 6dad6a6..4702ecb 100644
--- a/Modules/_ssl.c
+++ b/Modules/_ssl.c
@@ -1603,13 +1603,14 @@
 
 	/* Init OpenSSL */
 	SSL_load_error_strings();
+	SSL_library_init();
 #ifdef WITH_THREAD
 	/* note that this will start threading if not already started */
 	if (!_setup_ssl_threads()) {
 		return;
 	}
 #endif
-	SSLeay_add_ssl_algorithms();
+	OpenSSL_add_all_algorithms();
 
 	/* Add symbols to module dict */
 	PySSLErrorObject = PyErr_NewException("ssl.SSLError",