ilPasswordUtils Class Reference

Collaboration diagram for ilPasswordUtils:

Static Public Member Functions
static	getBytes ($length)
	Generate random bytes using OpenSSL or Mcrypt and mt_rand() as fallback. More...
static	getBytes (int $length)
	Generate random bytes using OpenSSL or Mcrypt and mt_rand() as fallback. More...

Detailed Description

Definition at line 9 of file class.ilPasswordUtils.php.

Member Function Documentation

getBytes() [1/2]

static ilPasswordUtils::getBytes (   $length )

static

Generate random bytes using OpenSSL or Mcrypt and mt_rand() as fallback.

Parameters

int

$length

Returns

string A byte string

Definition at line 16 of file class.ilPasswordUtils.php.

References $i.

Referenced by db_pwassist_create_id(), ilUserPasswordManager\encodePassword(), ilBcryptPasswordEncoder\generateClientSalt(), and ilSimpleSAMLphpWrapper\initConfigFiles().

    {
        if (!defined('PHP_WINDOWS_VERSION_BUILD') && extension_loaded('openssl')) {
            $secure = null;
            $rand = openssl_random_pseudo_bytes($length, $secure);
            if (false !== $rand && $secure === true) {
                return $rand;
            }
        }

        if (extension_loaded('mcrypt')) {
            // PHP bug #55169
            // @see https://bugs.php.net/bug.php?id=55169
            if (
                strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN' ||
                version_compare(PHP_VERSION, '5.3.7') >= 0
            ) {
                $rand = mcrypt_create_iv($length, MCRYPT_DEV_URANDOM);
                if ($rand !== false && strlen($rand) === $length) {
                    return $rand;
                }
            }
        }

        // Default random string generation
        $rand = '';
        for ($i = 0; $i < $length; $i++) {
            $rand .= chr(mt_rand(0, 255));
        }
        return $rand;
    }

Here is the caller graph for this function:

getBytes() [2/2]

static ilPasswordUtils::getBytes ( int  $length )

static

Generate random bytes using OpenSSL or Mcrypt and mt_rand() as fallback.

Parameters

int

$length

Returns

string A byte string

Definition at line 16 of file class.ilPasswordUtils.php.

References $i.

                                                 : string
    {
        try {
            return random_bytes($length);
        } catch (Throwable $ex) {
            if (!defined('PHP_WINDOWS_VERSION_BUILD') && extension_loaded('openssl')) {
                $secure = null;
                $rand = openssl_random_pseudo_bytes($length, $secure);
                if (false !== $rand && $secure === true) {
                    return $rand;
                }
            }

            $rand = '';
            for ($i = 0; $i < $length; ++$i) {
                $rand .= chr(random_int(0, 255));
            }

            return $rand;
        }
    }

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The documentation for this class was generated from the following file:

• Services/Migration/DBUpdate_4922/classes/class.ilPasswordUtils.php