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8958b668b2
* add Xpass extension * add .gitleaks for security scanner * improve Xpass constants' description * xpass: improve ex using hash_equals
110 lines
2.6 KiB
XML
110 lines
2.6 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="function.crypt-checksalt" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>crypt_checksalt</refname>
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<refpurpose>Validate a crypt setting string</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 class="union"><type>string</type><type>null</type></type><methodname>crypt_preferred_method</methodname>
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<methodparam><type>string</type><parameter>salt</parameter></methodparam>
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</methodsynopsis>
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<para>
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Checks the salt string against the system configuration and reports whether
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the hashing method and parameters it specifies are acceptable.
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It is intended to be used to determine whether the user's passphrase should
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be re-hashed using the currently preferred hashing method.
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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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<variablelist>
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<varlistentry>
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<term><parameter>salt</parameter></term>
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<listitem>
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<para>
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Salt string to check.
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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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Returns an <type>int</type>, one of CRYPT_SALT_* constant,
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see the <link linkend="xpass.constants">Xpass constants</link> page.
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title>A <function>crypt_checksalt</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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// Generate a salt for a legacy method
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$salt = crypt_gensalt(CRYPT_PREFIX_STD_DES);
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// Check the salt
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$test = crypt_checksalt($salt);
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var_dump($test === CRYPT_SALT_METHOD_LEGACY);
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// Generate a salt for default method
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$salt = crypt_gensalt();
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// Check the salt
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$test = crypt_checksalt($salt);
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var_dump($test === CRYPT_SALT_OK);
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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bool(true)
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bool(true)
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]]>
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</screen>
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</example>
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>crypt_gensalt</function></member>
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</simplelist>
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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:"~/.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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