.\" $OpenBSD: SSL_SESSION_get_protocol_version.3,v 1.2 2018/03/24 00:55:37 schwarze Exp $
.\" full merge up to: OpenSSL b97fdb57 Nov 11 09:33:09 2016 +0100
.\"
.\" This file was written by TJ Saunders <tj@castaglia.org>
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.Dd $Mdocdate: March 24 2018 $
.Dt SSL_SESSION_GET_PROTOCOL_VERSION 3
.Os
.Sh NAME
.Nm SSL_SESSION_get_protocol_version
.Nd get the session protocol version
.Sh SYNOPSIS
.In openssl/ssl.h
.Ft int
.Fo SSL_SESSION_get_protocol_version
.Fa "const SSL_SESSION *s"
.Fc
.Sh DESCRIPTION
.Fn SSL_SESSION_get_protocol_version
returns the protocol version number used by the session
.Fa s .
.Sh RETURN VALUES
.Fn SSL_SESSION_get_protocol_version
returns a constant like
.Dv TLS1_VERSION
or
.Dv TLS1_2_VERSION .
.Sh SEE ALSO
.Xr ssl 3 ,
.Xr SSL_get_session 3 ,
.Xr SSL_SESSION_get0_peer 3 ,
.Xr SSL_SESSION_get_compress_id 3 ,
.Xr SSL_SESSION_get_id 3 ,
.Xr SSL_SESSION_get_time 3 ,
.Xr SSL_SESSION_new 3
.Sh HISTORY
.Fn SSL_SESSION_get_protocol_version
first appeared in OpenSSL 1.1.0 and has been available since
.Ox 6.3 .