.\"	$OpenBSD: OPENSSL_cleanse.3,v 1.2 2016/11/29 21:29:19 jmc 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: November 29 2016 $
.Dt OPENSSL_CLEANSE 3
.Os
.Sh NAME
.Nm OPENSSL_cleanse
.Nd OpenSSL memory cleaning operation
.Sh SYNOPSIS
.In openssl/crypto.h
.Ft void
.Fo OPENSSL_cleanse
.Fa "void *ptr"
.Fa "size_t len"
.Fc
.Sh DESCRIPTION
Do not use the interface documented here.
It is provided purely for compatibility with legacy application code.
.Pp
.Fn OPENSSL_cleanse
has the same semantics as, and is a wrapper around,
.Xr explicit_bzero 3 .