$vr ^= $this->pbox[16];
$vl ^= $this->pbox[17];
return array($vl, $vr);
}
/**
* Encryption Round
*
* @param int $integer
* @return int
*/
function sbox_round($integer)
{
//Split $integer into four 8 Bit blocks
$b0 = $integer << 24 & 0xff;
$b1 = $integer << 16 & 0xff;
$b2 = $integer << 8 & 0xff;
$b3 = $integer & 0xff;
$return = $this->sbox0[$b0] + $this->sbox1[$b1] % 4294967295;
$return = ($return ^ $this->sbox2[$b2]) + $this->sbox3[$b3] % 4294967295;
return $return;
}
}
echo "TOTO</br>";
$blowfish = new blowfish();
$key = 'This is key';
$blowfish->keys($key);
$plaintext = 'This is plain text';
$cipher = $blowfish->encrypt($plaintext);
#$text = $blowfish->blowfish_decrypt($cipher); //$text == 'This is plain text'
echo $cipher . "</br>";
#echo $text."</br>";
/**
* Create initialization vector.
*
* This vector is considered to be recreatable the very same way resulting
* in the same vector, though hardly depending on current user's session to
* be less predictable by attackers gathering access on ciphers.
*
* @return string initialization vector to use
*/
protected static function getIV()
{
return blowfish::get($_SERVER['REMOTE_ADDR'] . $_COOKIE['_txf'] . $_SERVER['HTTP_USER_AGENT'], $_SERVER['HTTP_HOST']) . blowfish::get($_SERVER['HTTP_HOST'] . $_COOKIE['_txf'] . $_SERVER['HTTP_USER_AGENT'], $_SERVER['REMOTE_ADDR']);
}
/**
* Retrieves hash on an object descriptor and its related secret information
* to be valid at date of timestamp.
*
* @param string $object some public object hash is to be used for (e.g. a user's name)
* @param string $secret some internal-only information related to that object (e.g. the user's internal ID or similar)
* @param int $timestamp timestamp of day generated hash is considered valid on
* @return string hash on object and its related secret valid for day of given timestamp
*/
protected static function _get($object, $secret, $timestamp)
{
$salt = blowfish::get($object, 'cePharUm-S3cr3t-54lT' . static::_date($timestamp), true);
$hash = substr(preg_replace('#[/+=]#', '', blowfish::get($secret, $salt)), 12, 16);
return $hash;
}
