/**
* Generate CSRF token
*
* Generates CSRF token and stores both in {@link $_hash} and element
* value.
*
* @return void
*/
protected function _generateHash()
{
$this->_hash = md5(Zend_Crypt_Math::randBytes(32));
$this->setValue($this->_hash);
}
/**
* Creates a LDAP password.
*
* @param string $password
* @param string $hashType
* @return string
*/
public static function createPassword($password, $hashType = self::PASSWORD_HASH_MD5)
{
switch ($hashType) {
case self::PASSWORD_UNICODEPWD:
/* see:
* http://msdn.microsoft.com/en-us/library/cc223248(PROT.10).aspx
*/
$password = '******' . $password . '"';
if (function_exists('mb_convert_encoding')) {
$password = mb_convert_encoding($password, 'UTF-16LE', 'UTF-8');
} else {
if (function_exists('iconv')) {
$password = iconv('UTF-8', 'UTF-16LE', $password);
} else {
$len = strlen($password);
$new = '';
for ($i = 0; $i < $len; $i++) {
$new .= $password[$i] . "";
}
$password = $new;
}
}
return $password;
case self::PASSWORD_HASH_SSHA:
$salt = Zend_Crypt_Math::randBytes(4);
$rawHash = sha1($password . $salt, true) . $salt;
$method = '{SSHA}';
break;
case self::PASSWORD_HASH_SHA:
$rawHash = sha1($password, true);
$method = '{SHA}';
break;
case self::PASSWORD_HASH_SMD5:
$salt = Zend_Crypt_Math::randBytes(4);
$rawHash = md5($password . $salt, true) . $salt;
$method = '{SMD5}';
break;
case self::PASSWORD_HASH_MD5:
default:
$rawHash = md5($password, true);
$method = '{MD5}';
break;
}
return $method . base64_encode($rawHash);
}
/**
* Produces string of random byte of given length.
*
* @param integer $len length of requested string
* @return string RAW random binary string
*/
public static function randomBytes($len)
{
return (string) Zend_Crypt_Math::randBytes($len);
}
protected function _generateRandomId()
{
return md5(Zend_Crypt_Math::randBytes(32));
}
