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| zip_file_set_encryption.mdoc -- set encryption method for file |
| Copyright (C) 2016-2017 Dieter Baron and Thomas Klausner |
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| <head> |
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| <title>ZIP_FILE_SET_ENCRYPTION(3)</title> |
| </head> |
| <body> |
| <table class="head"> |
| <tr> |
| <td class="head-ltitle">ZIP_FILE_SET_ENCRYPTION(3)</td> |
| <td class="head-vol">Library Functions Manual</td> |
| <td class="head-rtitle">ZIP_FILE_SET_ENCRYPTION(3)</td> |
| </tr> |
| </table> |
| <div class="manual-text"> |
| <h1 class="Sh" title="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1> |
| <code class="Nm" title="Nm">zip_file_set_encryption</code> — |
| <div class="Nd" title="Nd">set encryption method for file in zip</div> |
| <h1 class="Sh" title="Sh" id="LIBRARY"><a class="permalink" href="#LIBRARY">LIBRARY</a></h1> |
| libzip (-lzip) |
| <h1 class="Sh" title="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1> |
| <code class="In" title="In">#include |
| <<a class="In" title="In">zip.h</a>></code> |
| <div class="Pp"></div> |
| <var class="Ft" title="Ft">int</var> |
| <br/> |
| <code class="Fn" title="Fn">zip_file_set_encryption</code>(<var class="Fa" title="Fa" style="white-space: nowrap;">zip_t |
| *archive</var>, |
| <var class="Fa" title="Fa" style="white-space: nowrap;">zip_uint64_t |
| index</var>, |
| <var class="Fa" title="Fa" style="white-space: nowrap;">zip_uint16_t |
| method</var>, <var class="Fa" title="Fa" style="white-space: nowrap;">const |
| char *password</var>); |
| <h1 class="Sh" title="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> |
| The <code class="Fn" title="Fn">zip_file_set_encryption</code>() function sets |
| the encryption method for the file at position |
| <var class="Ar" title="Ar">index</var> in the zip archive to |
| <var class="Ar" title="Ar">method</var> using the password |
| <var class="Ar" title="Ar">password</var>. The |
| <var class="Ar" title="Ar">method</var> is the same as returned by |
| <a class="Xr" title="Xr" href="zip_stat.html">zip_stat(3)</a>. For the |
| <var class="Ar" title="Ar">method</var> argument, currently only the following |
| values are supported: |
| <dl class="Bl-tag"> |
| <dt> </dt> |
| <dd> </dd> |
| <dt><a class="permalink" href="#ZIP_EM_NONE"><code class="Dv" title="Dv" id="ZIP_EM_NONE">ZIP_EM_NONE</code></a></dt> |
| <dd>No encryption.</dd> |
| <dt> </dt> |
| <dd> </dd> |
| <dt><a class="permalink" href="#ZIP_EM_AES_128"><code class="Dv" title="Dv" id="ZIP_EM_AES_128">ZIP_EM_AES_128</code></a></dt> |
| <dd>Winzip AES-128 encryption.</dd> |
| <dt> </dt> |
| <dd> </dd> |
| <dt><a class="permalink" href="#ZIP_EM_AES_192"><code class="Dv" title="Dv" id="ZIP_EM_AES_192">ZIP_EM_AES_192</code></a></dt> |
| <dd>Winzip AES-192 encryption.</dd> |
| <dt> </dt> |
| <dd> </dd> |
| <dt><a class="permalink" href="#ZIP_EM_AES_256"><code class="Dv" title="Dv" id="ZIP_EM_AES_256">ZIP_EM_AES_256</code></a></dt> |
| <dd>Winzip AES-256 encryption.</dd> |
| </dl> |
| <div class="Pp"></div> |
| If <var class="Ar" title="Ar">password</var> is |
| <code class="Dv" title="Dv">NULL</code>, the default password provided by |
| <a class="Xr" title="Xr" href="zip_set_default_password.html">zip_set_default_password(3)</a> |
| is used. |
| <div class="Pp"></div> |
| The current encryption method for a file in a zip archive can be determined |
| using <a class="Xr" title="Xr" href="zip_stat.html">zip_stat(3)</a>. |
| <h1 class="Sh" title="Sh" id="RETURN_VALUES"><a class="permalink" href="#RETURN_VALUES">RETURN |
| VALUES</a></h1> |
| Upon successful completion 0 is returned. Otherwise, -1 is returned and the |
| error information in <var class="Ar" title="Ar">archive</var> is set to |
| indicate the error. |
| <h1 class="Sh" title="Sh" id="ERRORS"><a class="permalink" href="#ERRORS">ERRORS</a></h1> |
| <code class="Fn" title="Fn">zip_file_set_encryption</code>() fails if: |
| <dl class="Bl-tag"> |
| <dt> </dt> |
| <dd> </dd> |
| <dt>[<a class="permalink" href="#ZIP_ER_ENCRNOTSUPP"><code class="Er" title="Er" id="ZIP_ER_ENCRNOTSUPP">ZIP_ER_ENCRNOTSUPP</code></a>]</dt> |
| <dd>Unsupported compression method requested.</dd> |
| <dt> </dt> |
| <dd> </dd> |
| <dt>[<a class="permalink" href="#ZIP_ER_INVAL"><code class="Er" title="Er" id="ZIP_ER_INVAL">ZIP_ER_INVAL</code></a>]</dt> |
| <dd><var class="Ar" title="Ar">index</var> is not a valid file index in |
| <var class="Ar" title="Ar">archive</var>, or the argument combination is |
| invalid.</dd> |
| <dt> </dt> |
| <dd> </dd> |
| <dt>[<a class="permalink" href="#ZIP_ER_MEMORY"><code class="Er" title="Er" id="ZIP_ER_MEMORY">ZIP_ER_MEMORY</code></a>]</dt> |
| <dd>Required memory could not be allocated.</dd> |
| <dt> </dt> |
| <dd> </dd> |
| <dt>[<a class="permalink" href="#ZIP_ER_RDONLY"><code class="Er" title="Er" id="ZIP_ER_RDONLY">ZIP_ER_RDONLY</code></a>]</dt> |
| <dd>Read-only zip file, no changes allowed.</dd> |
| </dl> |
| <h1 class="Sh" title="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE |
| ALSO</a></h1> |
| <a class="Xr" title="Xr" href="libzip.html">libzip(3)</a>, |
| <a class="Xr" title="Xr" href="zip_set_default_password.html">zip_set_default_password(3)</a>, |
| <a class="Xr" title="Xr" href="zip_stat.html">zip_stat(3)</a> |
| <h1 class="Sh" title="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1> |
| <code class="Fn" title="Fn">zip_file_set_encryption</code>() was added in libzip |
| 1.2.0. |
| <h1 class="Sh" title="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1> |
| <span class="An" title="An">Dieter Baron</span> |
| <<a class="Mt" title="Mt" href="mailto:dillo@nih.at">dillo@nih.at</a>> |
| and <span class="An" title="An">Thomas Klausner</span> |
| <<a class="Mt" title="Mt" href="mailto:tk@giga.or.at">tk@giga.or.at</a>></div> |
| <table class="foot"> |
| <tr> |
| <td class="foot-date">December 18, 2017</td> |
| <td class="foot-os">NetBSD 8.99.27</td> |
| </tr> |
| </table> |
| </body> |
| </html> |
