SSL_session_reused - query whether a reused session was negotiated during handshake

 #include <openssl/ssl.h>

 int SSL_session_reused(const SSL *ssl);

Query, whether a reused session was negotiated during the handshake.

During the negotiation, a client can propose to reuse a session. The server then looks up the session in its cache. If both client and server agree on the session, it will be reused and a flag is being set that can be queried by the application.

The following return values can occur:
A new session was negotiated.
A session was reused.

ssl(7), SSL_set_session(3), SSL_CTX_set_session_cache_mode(3)

Copyright 2001-2019 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 <>.

2023-02-07 1.1.1t