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112 lines
3.0 KiB
XML
Executable File
112 lines
3.0 KiB
XML
Executable File
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision: $ -->
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<!-- EN-Revision: 7f99d5e488d161ce3b12d1dae405a283728933c3 Maintainer: girgias Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id="function.random-bytes" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>random_bytes</refname>
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<refpurpose>Génère des octets pseudo-aléatoire cryptographiquement sécurisé</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>string</type><methodname>random_bytes</methodname>
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<methodparam><type>int</type><parameter>length</parameter></methodparam>
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</methodsynopsis>
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<para>
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Génère une &string; de longueur arbitraire d'octets aléatoires cryptographiques
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qui convient à un usage cryptographique, comme lors de la génération de sels, de clés ou
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de vecteurs d'initialisation.
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</para>
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&csprng.sources;
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&csprng.function.backport;
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</refsect1><!-- }}} -->
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<refsect1 role="parameters"><!-- {{{ -->
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&reftitle.parameters;
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<variablelist>
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<varlistentry>
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<term><parameter>length</parameter></term>
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<listitem>
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<para>
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La longueur de la &string; aléatoire qui doit être retourné en octets.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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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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Retourne une &string; contenant le nombre demandé d'octet aléatoire
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cryptographiquement sécurisé.
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</para>
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</refsect1><!-- }}} -->
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<refsect1 role="errors"><!-- {{{ -->
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&reftitle.errors;
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<itemizedlist>
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&csprng.errors;
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<listitem>
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<simpara>
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Si une longueur <parameter>length</parameter> invalide d'octet est fournit,
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une <classname>Error</classname> sera lancé.
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</simpara>
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</listitem>
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</itemizedlist>
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</refsect1><!-- }}} -->
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<refsect1 role="examples"><!-- {{{ -->
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&reftitle.examples;
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<example xml:id="random-bytes.example.basic"><!-- {{{ -->
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<title>Exemple avec <function>random_bytes</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$bytes = random_bytes(5);
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var_dump(bin2hex($bytes));
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?>
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]]>
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</programlisting>
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&example.outputs.similar;
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<screen>
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<![CDATA[
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string(10) "385e33f741"
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]]>
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</screen>
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</example><!-- }}} -->
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</refsect1><!-- }}} -->
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<refsect1 role="seealso"><!-- {{{ -->
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&reftitle.seealso;
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<simplelist>
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<member><function>random_int</function></member>
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<member><function>openssl_random_pseudo_bytes</function></member>
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<member><function>bin2hex</function></member>
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</simplelist>
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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:"~/.phpdoc/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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