| public setBlockLength ( integer $length ) | ||
| $length | integer | |
function setBlockLength($length)
{
switch ($length) {
case 128:
case 160:
case 192:
case 224:
case 256:
break;
default:
throw new \LengthException('Key size of ' . $length . ' bits is not supported by this algorithm. Only keys of sizes 128, 160, 192, 224 or 256 bits are supported');
}
$this->Nb = $length >> 5;
$this->block_size = $length >> 3;
$this->changed = true;
$this->_setEngine();
}