SSL_SESSION_REUSED(3SSL) OpenSSL SSL_SESSION_REUSED(3SSL)
NAME
SSL_session_reused - query whether a reused session was negotiated
during handshake
SYNOPSIS
#include <openssl/ssl.h>
int SSL_session_reused(const SSL *ssl);
DESCRIPTION
Query, whether a reused session was negotiated during the handshake.
NOTES
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.
RETURN VALUES
The following return values can occur:
0 A new session was negotiated.
1 A session was reused.
SEE ALSO
ssl(7), SSL_set_session(3), SSL_CTX_set_session_cache_mode(3)
COPYRIGHT
Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the Apache License 2.0 (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
<https://www.openssl.org/source/license.html>.
3.5.7 2026-06-09 SSL_SESSION_REUSED(3SSL)
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