<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <HTML ><HEAD ><TITLE >mcrypt_enc_get_supported_key_sizes</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="Manual PHP" HREF="index.html"><LINK REL="UP" TITLE="Mcrypt Encryption Functions" HREF="ref.mcrypt.html"><LINK REL="PREVIOUS" TITLE="mcrypt_enc_get_modes_name" HREF="function.mcrypt-enc-get-modes-name.html"><LINK REL="NEXT" TITLE="mcrypt_enc_is_block_algorithm_mode" HREF="function.mcrypt-enc-is-block-algorithm-mode.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=ISO-8859-2"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Manual PHP</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.mcrypt-enc-get-modes-name.html" ACCESSKEY="P" >Înapoi</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.mcrypt-enc-is-block-algorithm-mode.html" ACCESSKEY="N" >Înainte</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.mcrypt-enc-get-supported-key-sizes" ></A >mcrypt_enc_get_supported_key_sizes</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN55236" ></A ><P > (PHP 4 >= 4.0.2, PHP 5)</P >mcrypt_enc_get_supported_key_sizes -- Returns an array with the supported keysizes of the opened algorithm</DIV ><DIV CLASS="refsect1" ><A NAME="AEN55239" ></A ><H2 >Description</H2 >array <B CLASS="methodname" >mcrypt_enc_get_supported_key_sizes</B > ( resource td)<BR ></BR ><P > Returns an array with the key sizes supported by the algorithm specified by the encryption descriptor. If it returns an empty array then all key sizes between 1 and <A HREF="function.mcrypt-enc-get-key-size.html" ><B CLASS="function" >mcrypt_enc_get_key_size()</B ></A > are supported by the algorithm. </P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN55250" ></A ><P ><B >Exemplu 1. <B CLASS="function" >mcrypt_enc_get_supported_key_sizes()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /> $td </font><font color="#007700">= </font><font color="#0000BB">mcrypt_module_open</font><font color="#007700">(</font><font color="#DD0000">'rijndael-256'</font><font color="#007700">, </font><font color="#DD0000">''</font><font color="#007700">, </font><font color="#DD0000">'ecb'</font><font color="#007700">, </font><font color="#DD0000">''</font><font color="#007700">);<br /> </font><font color="#0000BB">var_dump</font><font color="#007700">(</font><font color="#0000BB">mcrypt_enc_get_supported_key_sizes</font><font color="#007700">(</font><font color="#0000BB">$td</font><font color="#007700">));<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ><P > This will print: </P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >array(3) { [0]=> int(16) [1]=> int(24) [2]=> int(32) }</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.mcrypt-enc-get-modes-name.html" ACCESSKEY="P" >Înapoi</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Acasã</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.mcrypt-enc-is-block-algorithm-mode.html" ACCESSKEY="N" >Înainte</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >mcrypt_enc_get_modes_name</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.mcrypt.html" ACCESSKEY="U" >Sus</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >mcrypt_enc_is_block_algorithm_mode</TD ></TR ></TABLE ></DIV ></BODY ></HTML >