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.\" $OpenBSD: RAND_add.3,v 1.5 2016/12/15 06:52:02 jmc 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: December 15 2016 $
.Dt RAND_ADD 3
.Os
.Sh NAME
.Nm RAND_add ,
.Nm RAND_cleanup ,
.Nm RAND_seed ,
.Nm RAND_status
.Nd manipulate the PRNG state
.Sh SYNOPSIS
.In openssl/rand.h
.Ft void
.Fo RAND_add
.Fa "const void *buf"
.Fa "int num"
.Fa "double entropy"
.Fc
.Ft void
.Fn RAND_cleanup void
.Ft void
.Fo RAND_seed
.Fa "const void *buf"
.Fa "int num"
.Fc
.Ft int
.Fn RAND_status void
.Sh DESCRIPTION
These functions used to allow for the state of the random number
generator to be controlled by external sources.
.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_status
always returns 1.
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