/**
* @preserveGlobalState disabled
* @runInSeparateProcess
*/
public function test_random_bytes_check()
{
$this->assertTrue(Hm_Crypt::random_bytes_check());
Hm_Crypt::$strong = false;
$this->assertFalse(Hm_Crypt::random_bytes_check());
}
/**
* Generate a random string
* @param int $size
* @return string
*/
public static function random($size = 128)
{
if (function_exists('mcrypt_create_iv') && defined('MCRYPT_DEV_URANDOM')) {
$res = mcrypt_create_iv($size, MCRYPT_DEV_URANDOM);
self::$strong = true;
} else {
$res = openssl_random_pseudo_bytes(128, $strong);
self::$strong = $strong;
}
return $res;
}
/**
* Generate a strong random salt (hopefully)
* @return string
*/
public static function generate_salt()
{
/* generate random bytes */
$res = openssl_random_pseudo_bytes(128, $strong);
self::$strong = $strong;
return $res;
}
