public static function provideGenerators()
{
$factory = new \CryptLib\Random\Factory();
$generator = $factory->getLowStrengthGenerator();
$sources = $generator->getSources();
$ret = array();
$ret[] = array(new Generator($sources, new \CryptLib\Random\Mixer\Hash()), 10000, 'hash');
$ret[] = array(new Generator($sources, new \CryptLib\Random\Mixer\DES()), 10000, 'des');
$ret[] = array(new Generator($sources, new \CryptLib\Random\Mixer\Rijndael()), 10000, 'rijndael');
return $ret;
}
* @author Anthony Ferrara <*****@*****.**> * @copyright 2011 The Authors * @license http://opensource.org/licenses/bsd-license.php New BSD License * @license http://www.gnu.org/licenses/lgpl-2.1.html LGPL v 2.1 */ namespace CryptLibExamples\Random; /** * Let's generate some random strings! For this, we'll use the * CryptLib\Random\Factory class to build a random number generator to suit * our needs here. */ //We first load the bootstrap file so we have access to the library require_once dirname(dirname(__DIR__)) . '/lib/CryptLib/bootstrap.php'; //Now, let's get a random number factory $factory = new \CryptLib\Random\Factory(); /** * Now, since we want a low strength random number, let's get a low strength * generator from the factory. * * If we wanted stronger random numbers, we could change this to medium or high * but both use significantly more resources to generate, so let's just stick * with low for the purposes of this example: */ $generator = $factory->getLowStrengthGenerator(); /** * We can now start generating our random strings. The generator by default * outputs full-byte strings (character 0 - 255), so it's not safe to display * them directly. Instead, let's convert them to hex to show the string. */ $number = $generator->generate(8);
/**
* Generates a Safe Hash to use throughout CiiMS
* @param integer $length the hash length, default of 16
* @return string
*/
public static function generateSafeHash($length = 16)
{
$factory = new CryptLib\Random\Factory();
return preg_replace('/[^A-Za-z0-9\\-]/', '', $factory->getLowStrengthGenerator()->generateString($length));
}
/**
* Generates a new API key for this application
* @return string
*/
protected function generateApiKey()
{
// Load the hashing factory
$factory = new CryptLib\Random\Factory();
$meta = UserMetadata::model()->getPrototype('UserMetadata', array('user_id' => $this->getUser()->id, 'key' => 'api_key' . $this->app_name), array('user_id' => $this->getUser()->id, 'key' => 'api_key' . $this->app_name));
$meta->value = $factory->getLowStrengthGenerator()->generateString(16);
if ($meta->save()) {
return $meta->value;
}
throw new CHttpException(500, Yii::t('ciims.models.LoginForm', 'Unable to create API key, please try again.'));
}
