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.\" $OpenBSD: UI_UTIL_read_pw.3,v 1.3 2018/03/22 21:08:22 schwarze Exp $
.\" full merge up to: OpenSSL 23103a52 Jan 12 15:17:42 2017 +0100
.\" selective merge up to: OpenSSL 61f805c1 Jan 16 01:01:46 2018 +0800
.\"
.\" This file was written by Richard Levitte <levitte@openssl.org>.
.\" Copyright (c) 2017 The OpenSSL Project. All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\"
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\"
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in
.\" the documentation and/or other materials provided with the
.\" distribution.
.\"
.\" 3. All advertising materials mentioning features or use of this
.\" software must display the following acknowledgment:
.\" "This product includes software developed by the OpenSSL Project
.\" for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
.\"
.\" 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
.\" endorse or promote products derived from this software without
.\" prior written permission. For written permission, please contact
.\" openssl-core@openssl.org.
.\"
.\" 5. Products derived from this software may not be called "OpenSSL"
.\" nor may "OpenSSL" appear in their names without prior written
.\" permission of the OpenSSL Project.
.\"
.\" 6. Redistributions of any form whatsoever must retain the following
.\" acknowledgment:
.\" "This product includes software developed by the OpenSSL Project
.\" for use in the OpenSSL Toolkit (http://www.openssl.org/)"
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
.\" EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
.\" ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
.\" SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\"
.Dd $Mdocdate: March 22 2018 $
.Dt UI_UTIL_READ_PW 3
.Os
.Sh NAME
.Nm UI_UTIL_read_pw ,
.Nm UI_UTIL_read_pw_string
.Nd get a password from the user
.Sh SYNOPSIS
.In openssl/ui.h
.Ft int
.Fo UI_UTIL_read_pw_string
.Fa "char *buf"
.Fa "int length"
.Fa "const char *prompt"
.Fa "int verify"
.Fc
.Ft int
.Fo UI_UTIL_read_pw
.Fa "char *buf"
.Fa "char *buff"
.Fa "int size"
.Fa "const char *prompt"
.Fa "int verify"
.Fc
.Sh DESCRIPTION
.Fn UI_UTIL_read_pw_string
asks for a passphrase, using
.Fa prompt
as a prompt, and stores it in
.Fa buf .
The maximum allowed size is given with
.Fa length ,
including the terminating NUL byte.
If
.Fa verify
is non-zero, the password will be verified as well.
.Pp
.Fn UI_UTIL_read_pw
does the same as
.Fn UI_UTIL_read_pw_string ,
but takes an external buffer
.Fa buff
for the verification passphrase.
.Sh RETURN VALUES
.Fn UI_UTIL_read_pw_string
and
.Fn UI_UTIL_read_pw
return 0 on success or a negative value on error.
.Sh SEE ALSO
.Xr UI_new 3
.Sh HISTORY
.Fn UI_UTIL_read_pw
and
.Fn UI_UTIL_read_pw_string
first appeared in OpenSSL 0.9.7 and have been available since
.Ox 3.2 .
|
