mirror of
https://github.com/sigmasternchen/php-doc-en
synced 2025-03-23 12:28:55 +00:00
1d39157544
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@335065 c90b9560-bf6c-de11-be94-00142212c4b1
130 lines
3.6 KiB
XML
130 lines
3.6 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
|
|
<!-- $Revision$ -->
|
|
<refentry xml:id="function.mcrypt-decrypt" xmlns="http://docbook.org/ns/docbook">
|
|
<refnamediv>
|
|
<refname>mcrypt_decrypt</refname>
|
|
<refpurpose>Decrypts crypttext with given parameters</refpurpose>
|
|
</refnamediv>
|
|
<refsect1 role="description">
|
|
&reftitle.description;
|
|
<methodsynopsis>
|
|
<type>string</type><methodname>mcrypt_decrypt</methodname>
|
|
<methodparam><type>string</type><parameter>cipher</parameter></methodparam>
|
|
<methodparam><type>string</type><parameter>key</parameter></methodparam>
|
|
<methodparam><type>string</type><parameter>data</parameter></methodparam>
|
|
<methodparam><type>string</type><parameter>mode</parameter></methodparam>
|
|
<methodparam choice="opt"><type>string</type><parameter>iv</parameter></methodparam>
|
|
</methodsynopsis>
|
|
<para>
|
|
Decrypts the <parameter>data</parameter> and returns the unencrypted data.
|
|
</para>
|
|
</refsect1>
|
|
<refsect1 role="parameters">
|
|
&reftitle.parameters;
|
|
<para>
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term><parameter>cipher</parameter></term>
|
|
<listitem>
|
|
&mcrypt.parameter.cipher;
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><parameter>key</parameter></term>
|
|
<listitem>
|
|
<para>
|
|
The key with which the data was encrypted. If the provided key size is
|
|
not supported by the cipher, the function will emit a warning and return &false;
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><parameter>data</parameter></term>
|
|
<listitem>
|
|
<para>
|
|
The data that will be decrypted with the given <parameter>cipher</parameter>
|
|
and <parameter>mode</parameter>. If the size of the data is not n * blocksize,
|
|
the data will be padded with '<literal>\0</literal>'.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><parameter>mode</parameter></term>
|
|
<listitem>
|
|
&mcrypt.parameter.mode;
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><parameter>iv</parameter></term>
|
|
<listitem>
|
|
&mcrypt.parameter.iv.strict;
|
|
</listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
</para>
|
|
</refsect1>
|
|
|
|
<refsect1 role="returnvalues">
|
|
&reftitle.returnvalues;
|
|
<para>
|
|
Returns the decrypted data as a string &return.falseforfailure;.
|
|
</para>
|
|
</refsect1>
|
|
|
|
<refsect1 role="changelog">
|
|
&reftitle.changelog;
|
|
<para>
|
|
<informaltable>
|
|
<tgroup cols="2">
|
|
<thead>
|
|
<row>
|
|
<entry>&Version;</entry>
|
|
<entry>&Description;</entry>
|
|
</row>
|
|
</thead>
|
|
<tbody>
|
|
<row>
|
|
<entry>5.6.0</entry>
|
|
<entry>
|
|
Invalid <parameter>key</parameter> and <parameter>iv</parameter> sizes
|
|
are no longer accepted. <function>mcrypt_decrypt</function> will now throw
|
|
a warning and return &false; if the inputs are invalid. Previously keys and
|
|
IVs were padded with '<literal>\0</literal>' bytes to the next valid size.
|
|
</entry>
|
|
</row>
|
|
</tbody>
|
|
</tgroup>
|
|
</informaltable>
|
|
</para>
|
|
</refsect1>
|
|
|
|
<refsect1 role="seealso">
|
|
&reftitle.seealso;
|
|
<para>
|
|
<simplelist>
|
|
<member><function>mcrypt_encrypt</function></member>
|
|
</simplelist>
|
|
</para>
|
|
</refsect1>
|
|
</refentry>
|
|
|
|
<!-- Keep this comment at the end of the file
|
|
Local variables:
|
|
mode: sgml
|
|
sgml-omittag:t
|
|
sgml-shorttag:t
|
|
sgml-minimize-attributes:nil
|
|
sgml-always-quote-attributes:t
|
|
sgml-indent-step:1
|
|
sgml-indent-data:t
|
|
indent-tabs-mode:nil
|
|
sgml-parent-document:nil
|
|
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
|
|
sgml-exposed-tags:nil
|
|
sgml-local-catalogs:nil
|
|
sgml-local-ecat-files:nil
|
|
End:
|
|
vim600: syn=xml fen fdm=syntax fdl=2 si
|
|
vim: et tw=78 syn=sgml
|
|
vi: ts=1 sw=1
|
|
-->
|