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# 250 to go git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@249418 c90b9560-bf6c-de11-be94-00142212c4b1
62 lines
1.7 KiB
XML
62 lines
1.7 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.5 $ -->
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<refentry xml:id="function.mcrypt-enc-get-iv-size" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>mcrypt_enc_get_iv_size</refname>
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<refpurpose>Returns the size of the IV of the opened algorithm</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>int</type><methodname>mcrypt_enc_get_iv_size</methodname>
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<methodparam><type>resource</type><parameter>td</parameter></methodparam>
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</methodsynopsis>
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<para>
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This function returns the size of the IV of the algorithm specified by the
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encryption descriptor in bytes. An IV is used in cbc, cfb and ofb modes,
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and in some algorithms in stream mode.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>td</parameter></term>
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<listitem>
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<para>
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The encryption descriptior.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns the size of the IV, or 0 if the IV is ignored in the algorithm.
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"../../../../manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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