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.\" $OpenBSD: RAND_set_rand_method.3,v 1.4 2018/03/21 09:03:49 schwarze Exp $
.\"
.\" Copyright (c) 2014 Miod Vallat <miod@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: March 21 2018 $
.Dt RAND_SET_RAND_METHOD 3
.Os
.Sh NAME
.Nm RAND_set_rand_method ,
.Nm RAND_get_rand_method ,
.Nm RAND_SSLeay
.Nd select RAND method
.Sh SYNOPSIS
.In openssl/rand.h
.Ft int
.Fo RAND_set_rand_method
.Fa "const RAND_METHOD *meth"
.Fc
.Ft const RAND_METHOD *
.Fn RAND_get_rand_method void
.Ft RAND_METHOD *
.Fn RAND_SSLeay void
.Sh DESCRIPTION
These functions used to allow for the random number generator functions
to be replaced by arbitrary code.
.Pp
They are kept for ABI compatibility but are no longer functional, and
should not be used in new programs.
.Sh RETURN VALUES
.Fn RAND_set_rand_method
always returns 1.
.Fn RAND_get_rand_method
and
.Fn RAND_SSLeay
always return
.Dv NULL .
.Sh HISTORY
.Fn RAND_set_rand_method ,
.Fn RAND_get_rand_method ,
and
.Fn RAND_SSLeay
first appeared in SSLeay 0.9.1 and have been available since
.Ox 2.6 .
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