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.\" $OpenBSD: SSL_CTX_get0_certificate.3,v 1.3 2019/06/12 09:36:30 schwarze Exp $
.\"
.\" Copyright (c) 2018 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.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: June 12 2019 $
.Dt SSL_CTX_GET0_CERTIFICATE 3
.Os
.Sh NAME
.Nm SSL_CTX_get0_certificate
.Nd get the active certificate from an SSL context
.Sh SYNOPSIS
.Ft X509 *
.Fo SSL_CTX_get0_certificate
.Fa "const SSL_CTX *ctx"
.Fc
.Sh DESCRIPTION
The
.Fn SSL_CTX_get0_certificate
function returns an internal pointer
to the ASN.1 certificate currently active in
.Fa ctx
or
.Dv NULL
if none was installed with
.Xr SSL_CTX_use_certificate 3
or similar functions.
.Pp
The returned pointer must not be freed by the caller.
.Sh SEE ALSO
.Xr ssl 3 ,
.Xr SSL_CTX_new 3 ,
.Xr SSL_CTX_use_certificate 3 ,
.Xr X509_get_pubkey 3 ,
.Xr X509_get_subject_name 3 ,
.Xr X509_new 3
.Sh HISTORY
.Fn SSL_CTX_get0_certificate
first appeared in OpenSSL 1.0.2 and have been available since
.Ox 6.3 .
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