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SSL_SESSION_GET_PROTOCOL_VERSION(3)                                    OpenSSL


NAME

       SSL_SESSION_get_protocol_version, SSL_SESSION_set_protocol_version -
       get and set the session protocol version


SYNOPSIS

        #include <openssl/ssl.h>

        int SSL_SESSION_get_protocol_version(const SSL_SESSION *s);
        int SSL_SESSION_set_protocol_version(SSL_SESSION *s, int version);


DESCRIPTION

       SSL_SESSION_get_protocol_version() returns the protocol version number
       used by session s.

       SSL_SESSION_set_protocol_version() sets the protocol version associated
       with the SSL_SESSION object s to the value version. This value should
       be a version constant such as TLS1_3_VERSION etc. For example, this
       could be used to set up a session based PSK (see
       SSL_CTX_set_psk_use_session_callback(3)).


RETURN VALUES

       SSL_SESSION_get_protocol_version() returns a number indicating the
       protocol version used for the session; this number matches the
       constants e.g. TLS1_VERSION, TLS1_2_VERSION or TLS1_3_VERSION.

       Note that the SSL_SESSION_get_protocol_version() function does not
       perform a null check on the provided session s pointer.

       SSL_SESSION_set_protocol_version() returns 1 on success or 0 on
       failure.


SEE ALSO

       ssl(7), SSL_CTX_set_psk_use_session_callback(3)


HISTORY

       The SSL_SESSION_get_protocol_version() function was added in OpenSSL
       1.1.0.  The SSL_SESSION_set_protocol_version() function was added in
       OpenSSL 1.1.1.


COPYRIGHT

       Copyright 2001-2018 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
       <https://www.openssl.org/source/license.html>.

1.1.1v                            2023-08-01
                                           SSL_SESSION_GET_PROTOCOL_VERSION(3)

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