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.\" Copyright (c) 2014 Michihiro NAKAJIMA
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd September 21, 2014
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.Dt ARCHIVE_WRITE_SET_PASSPHRASE 3
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.Os
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.Sh NAME
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.Nm archive_write_set_passphrase ,
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.Nm archive_write_set_passphrase_callback
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.Nd functions for writing encrypted archives
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.Sh LIBRARY
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Streaming Archive Library (libarchive, -larchive)
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.Sh SYNOPSIS
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.In archive.h
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.Ft int
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.Fo archive_write_set_passphrase
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.Fa "struct archive *"
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.Fa "const char *passphrase"
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.Fc
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.Ft int
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.Fo archive_write_set_passphrase_callback
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.Fa "struct archive *"
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.Fa "void *client_data"
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.Fa "archive_passphrase_callback *"
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.Fc
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.Sh DESCRIPTION
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.Bl -tag -width indent
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.It Fn archive_write_set_passphrase
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Set a passphrase for writing an encrypted archive.
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If
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.Ar passphrase
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is
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.Dv NULL
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or empty, this function will do nothing and
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.Cm ARCHIVE_FAILED
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will be returned.
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Otherwise,
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.Cm ARCHIVE_OK
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will be returned.
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.It Fn archive_write_set_passphrase_callback
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Register a callback function that will be invoked to get a passphrase
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for encryption if the passphrase was not set by the
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.Fn archive_write_set_passphrase
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function.
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.El
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.\" .Sh ERRORS
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.Sh SEE ALSO
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.Xr tar 1 ,
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.Xr archive_write 3 ,
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.Xr archive_write_set_options 3 ,
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.Xr libarchive 3
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