.\" zip_fopen_encrypted.mdoc -- open encrypted file in zip archive for reading
.\" Copyright (C) 2011-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
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.Dd December 18, 2017
.Dt ZIP_FOPEN_ENCRYPTED 3
.Os
.Sh NAME
.Nm zip_fopen_encrypted ,
.Nm zip_fopen_index_encrypted
.Nd open encrypted file in zip archive for reading
.Sh LIBRARY
libzip (-lzip)
.Sh SYNOPSIS
.In zip.h
.Ft zip_file_t *
.Fn zip_fopen_encrypted "zip_t *archive" "const char *fname" "zip_flags_t flags" "const char *password"
.Ft zip_file_t *
.Fn zip_fopen_index_encrypted "zip_t *archive" "zip_uint64_t index" "zip_flags_t flags" "const char *password"
.Sh DESCRIPTION
The
.Fn zip_fopen_encrypted
function opens the encrypted file name
.Ar fname
in
.Ar archive
using the password given in the
.Ar password
argument.
The
.Ar flags
argument are the same as for
.Xr zip_fopen 3 .
.Pp
The
.Fn zip_fopen_index_encrypted
function opens the file at position
.Ar index ,
see
.Xr zip_fopen_index 3 .
These functions are called automatically by
.Xr zip_fopen 3 ;
you only need to call them if you want to specify a non-default password
(see
.Xr zip_set_default_password 3 ) .
.Sh RETURN VALUES
Upon successful completion, a
.Ft struct zip_file
pointer is returned.
Otherwise,
.Dv NULL
is returned and the error code in
.Ar archive
is set to indicate the error.
.Sh ERRORS
.Bl -tag -width ZIP_ER_ENCRNOTSUPPXX
.It Bq Er ZIP_ER_NOPASSWD
No password was provided.
.El
.Pp
The function
.Fn zip_fopen_encrypted
may also fail and set
.Va zip_err
for any of the errors specified for the routine
.Xr zip_fopen 3 .
.Pp
The function
.Fn zip_fopen_index_encrypted
may also fail and set
.Va zip_err
for any of the errors specified for the routine
.Xr zip_fopen_index 3 .
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_fclose 3 ,
.Xr zip_fopen 3 ,
.Xr zip_fread 3 ,
.Xr zip_get_num_entries 3 ,
.Xr zip_name_locate 3
.Sh HISTORY
.Fn zip_fopen_encrypted
and
.Fn zip_fopen_index_encrypted
were added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt [email protected]
and
.An Thomas Klausner Aq Mt [email protected]
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