$states = array();
foreach ($bytearrays as $bytearray) {
$state = $iop->getState($bytearray);
array_push($states, $state);
}
//put key in 4x4 byte array too
//$key = $iop->getState($keyarray);
// perform a subBytes operation
$aesops = new Aes();
$_SESSION['debug'] .= "\nThe " . $operation . " operation:\n";
switch ($operation) {
case "subBytes":
$result = $aesops->subBytes($state);
break;
case "shiftRows":
$result = $aesops->shiftRows($state);
break;
case "mixColumns":
$result = $aesops->mixColumns($state);
break;
case "addRoundKey":
$w = $aesops->keyExpansion($key);
//generate roundkeys in key expansion
$result = $aesops->addRoundKey($state, $w, 0);
//add roundkey 0 for this example
break;
case "encrypt":
if ($_POST['mode'] == 'ecb') {
foreach ($states as $state) {
array_push($results, $aesops->encrypt($state, $key));
}
