.\" $OpenBSD: SSL_SESSION_new.3,v 1.11 2025/10/24 11:36:54 tb Exp $
.\"
.\" Copyright (c) 2016 Ingo Schwarze <schwarze@openbsd.org>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
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.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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.Dd $Mdocdate: October 24 2025 $
.Dt SSL_SESSION_NEW 3
.Os
.Sh NAME
.Nm SSL_SESSION_new
.Nd construct a new SSL_SESSION object
.Sh SYNOPSIS
.Lb libssl libcrypto
.In openssl/ssl.h
.Ft SSL_SESSION *
.Fn SSL_SESSION_new void
.Ft SSL_SESSION *
.Fn SSL_SESSION_dup "const SSL_SESSION *src"
.Sh DESCRIPTION
.Fn SSL_SESSION_new
allocates and initializes a new
.Vt SSL_SESSION
object.
The reference count is set to 1, the time to the current time, and
the timeout to five minutes.
.Pp
When the object is no longer needed, it can be destructed with
.Xr SSL_SESSION_free 3 .
.Pp
.Fn SSL_SESSION_new
is used internally, for example by
.Xr SSL_connect 3 .
.Pp
.Fn SSL_SESSION_dup
creates a deep copy of
.Fa src
with the exception that
the reference count is set to 1, that
the peer certificate is shared with
.Fa src ,
and that the new session is not part of any session cache.
.Sh RETURN VALUES
.Fn SSL_SESSION_new
and
.Fn SSL_SESSION_dup
return the new
.Vt SSL_SESSION
object or
.Dv NULL
if insufficient memory is available.
.Pp
After failure,
.Xr ERR_get_error 3
returns
.Dv ERR_R_MALLOC_FAILURE .
.Sh SEE ALSO
.Xr d2i_SSL_SESSION 3 ,
.Xr PEM_read_SSL_SESSION 3 ,
.Xr ssl 3 ,
.Xr SSL_connect 3 ,
.Xr SSL_copy_session_id 3 ,
.Xr SSL_CTX_add_session 3 ,
.Xr SSL_CTX_sess_set_get_cb 3 ,
.Xr SSL_get_session 3 ,
.Xr SSL_SESSION_free 3 ,
.Xr SSL_SESSION_get0_peer 3 ,
.Xr SSL_SESSION_get_compress_id 3 ,
.Xr SSL_SESSION_get_ex_new_index 3 ,
.Xr SSL_SESSION_get_id 3 ,
.Xr SSL_SESSION_get_master_key 3 ,
.Xr SSL_SESSION_get_protocol_version 3 ,
.Xr SSL_SESSION_get_time 3 ,
.Xr SSL_SESSION_has_ticket 3 ,
.Xr SSL_SESSION_is_resumable 3 ,
.Xr SSL_SESSION_print 3 ,
.Xr SSL_SESSION_set1_id_context 3 ,
.Xr SSL_set_session 3
.Sh HISTORY
.Fn SSL_SESSION_new
first appeared in SSLeay 0.5.2 and has been available since
.Ox 2.4 .
.Pp
.Fn SSL_SESSION_dup
first appeared in OpenSSL 1.1.1 and has been available since
.Ox 7.9 .