SSL_SESSION_is_resumable - determine whether an SSL_SESSION object can be used for resumption

#include <openssl/ssl.h>

int SSL_SESSION_is_resumable(const SSL_SESSION *s);

SSL_SESSION_is_resumable() determines whether an SSL_SESSION object can be used to resume a session or not. Returns 1 if it can or 0 if not. Note that attempting to resume with a non-resumable session will result in a full handshake.

SSL_SESSION_is_resumable() returns 1 if the session is resumable or 0 otherwise.

ssl(7), SSL_get_session(3), SSL_CTX_sess_set_new_cb(3)

The SSL_SESSION_is_resumable() function was added in OpenSSL 1.1.1.

Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.

Licensed under the OpenSSL license (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at

2021-03-25 1.1.1k