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PHP : Function Reference : Mcrypt Encryption Functions : mcrypt_module_get_supported_key_sizes

mcrypt_module_get_supported_key_sizes

Returns an array with the supported keysizes of the opened algorithm (PHP 4 >= 4.0.2, PHP 5)
array mcrypt_module_get_supported_key_sizes ( string algorithm [, string lib_dir] )


Code Examples / Notes » mcrypt_module_get_supported_key_sizes

daniel bartlett
A small bit of php for listing available encryption algorythms and their keysizes.
<?php
$cipher_dir = "/usr/local/lib/libmcrypt";
$algorithms = mcrypt_list_algorithms($cipher_dir);
echo "<html><head></head><body><table><tr>\n";
foreach ($algorithms as $cipher) {
       echo "<td>" . $cipher . "</td><td>";
       $ksizes = mcrypt_module_get_supported_key_sizes($cipher, $cipher_dir);
       if($ksizes==NULL) echo mcrypt_module_get_algo_key_size($cipher, $cipher_dir);
       else foreach ($ksizes as $size) {
               echo $size . " ";
       }
       echo "</td></tr>\n";
}
echo "</table></body></html>\n";
?>
I hope some one finds it handy.


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