Updated: 2022/Sep/29

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SSL_session_reused(3)               OpenSSL              SSL_session_reused(3)



NAME
       SSL_session_reused - query whether a reused session was negotiated
       during handshake

LIBRARY
       libcrypto, -lcrypto

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>.



3.0.12                            2023-05-07             SSL_session_reused(3)