/**
* Display a listing of the resource.
*
* @return \Illuminate\Http\Response
*/
public function index()
{
$senders = Sender::all()->take(8);
return response()->success(compact('senders'));
}
public function receiverRequest()
{
$senders = Sender::all();
$receivers = Receiver::all();
foreach ($senders as $sender) {
$pk_sender = $sender->private_key;
$encrypted_text = $sender->encrypted_text;
}
foreach ($receivers as $receiver) {
$pk_receiver = $receiver->private_key;
}
$r = $pk_sender;
$s = $pk_receiver;
$str = $encrypted_text;
$r1 = pow(3, $r) % 17;
$s1 = pow(3, $s) % 17;
$r2 = pow($s1, $r) % 17;
$s2 = pow($r1, $s) % 17;
$str1 = "";
$len = strlen($str);
for ($y = 0; $y < $len; $y++) {
//echo $y;
$swap = 0;
if ($str[$y] == 'A' || $str[$y] == 'a') {
$swap = 1;
}
if ($str[$y] == 'B' || $str[$y] == 'b') {
$swap = 2;
}
if ($str[$y] == 'C' || $str[$y] == 'c') {
$swap = 3;
}
if ($str[$y] == 'D' || $str[$y] == 'd') {
$swap = 4;
}
if ($str[$y] == 'E' || $str[$y] == 'e') {
$swap = 5;
}
if ($str[$y] == 'F' || $str[$y] == 'f') {
$swap = 6;
}
if ($str[$y] == 'G' || $str[$y] == 'g') {
$swap = 7;
}
if ($str[$y] == 'H' || $str[$y] == 'h') {
$swap = 8;
}
if ($str[$y] == 'I' || $str[$y] == 'i') {
$swap = 9;
}
if ($str[$y] == 'J' || $str[$y] == 'j') {
$swap = 10;
}
if ($str[$y] == 'K' || $str[$y] == 'k') {
$swap = 11;
}
if ($str[$y] == 'L' || $str[$y] == 'l') {
$swap = 12;
}
if ($str[$y] == 'M' || $str[$y] == 'm') {
$swap = 13;
}
if ($str[$y] == 'N' || $str[$y] == 'n') {
$swap = 14;
}
if ($str[$y] == 'O' || $str[$y] == 'o') {
$swap = 15;
}
if ($str[$y] == 'P' || $str[$y] == 'p') {
$swap = 16;
}
$c = $swap;
// echo " ".$c;
for ($i = 0; $i <= 17; $i++) {
if ($s2 * $i % 17 == 1) {
$x = $i;
break;
}
}
$invi = $x;
$p = $invi * $c % 17;
if ($p == 1) {
$str1 = $str1 . "A";
}
if ($p == 2) {
$str1 = $str1 . "B";
}
if ($p == 3) {
$str1 = $str1 . "C";
}
if ($p == 4) {
$str1 = $str1 . "D";
}
if ($p == 5) {
$str1 = $str1 . "E";
}
if ($p == 6) {
$str1 = $str1 . "F";
}
if ($p == 7) {
$str1 = $str1 . "G";
}
if ($p == 8) {
$str1 = $str1 . "H";
}
if ($p == 9) {
$str1 = $str1 . "I";
}
if ($p == 10) {
$str1 = $str1 . "J";
}
if ($p == 11) {
$str1 = $str1 . "K";
}
if ($p == 12) {
$str1 = $str1 . "L";
}
if ($p == 13) {
$str1 = $str1 . "M";
}
if ($p == 14) {
$str1 = $str1 . "N";
}
if ($p == 15) {
$str1 = $str1 . "O";
}
if ($p == 16) {
$str1 = $str1 . "P";
}
}
foreach ($receivers as $receiver) {
$receiver->decrypted_text = $str1;
$receiver->save();
}
$xyz = Receiver::all();
$abc = Sender::all();
return var_dump($receivers);
/*return redirect('decrypt', array('receivers' => $receivers));*/
return view('decrypt')->with(array('receivers' => $xyz, 'senders' => $abc));
}
public function senderRequest()
{
$senders = Sender::all();
$receivers = Receiver::all();
$messages = Message::all();
foreach ($senders as $sender) {
$pk_sender = $sender->private_key;
}
foreach ($receivers as $receiver) {
$pk_receiver = $receiver->private_key;
}
foreach ($messages as $message) {
$v = $message->text_message;
}
$str = "";
$len = strlen($v);
for ($y = 0; $y < $len; $y++) {
$swap = 0;
if ($v[$y] == 'A' || $v[$y] == 'a') {
$swap = 1;
}
if ($v[$y] == 'B' || $v[$y] == 'b') {
$swap = 2;
}
if ($v[$y] == 'C' || $v[$y] == 'c') {
$swap = 3;
}
if ($v[$y] == 'D' || $v[$y] == 'd') {
$swap = 4;
}
if ($v[$y] == 'E' || $v[$y] == 'e') {
$swap = 5;
}
if ($v[$y] == 'F' || $v[$y] == 'f') {
$swap = 6;
}
if ($v[$y] == 'G' || $v[$y] == 'g') {
$swap = 7;
}
if ($v[$y] == 'H' || $v[$y] == 'h') {
$swap = 8;
}
if ($v[$y] == 'I' || $v[$y] == 'i') {
$swap = 9;
}
if ($v[$y] == 'J' || $v[$y] == 'j') {
$swap = 10;
}
if ($v[$y] == 'K' || $v[$y] == 'k') {
$swap = 11;
}
if ($v[$y] == 'L' || $v[$y] == 'l') {
$swap = 12;
}
if ($v[$y] == 'M' || $v[$y] == 'm') {
$swap = 13;
}
if ($v[$y] == 'N' || $v[$y] == 'n') {
$swap = 14;
}
if ($v[$y] == 'O' || $v[$y] == 'o') {
$swap = 15;
}
if ($v[$y] == 'P' || $v[$y] == 'p') {
$swap = 16;
}
$m = $swap;
$r = $pk_sender;
$s = $pk_receiver;
$r1 = pow(3, $r) % 17;
$s1 = pow(3, $s) % 17;
$r2 = pow($s1, $r) % 17;
$s2 = pow($r1, $s) % 17;
$c = $r2 * $m % 17;
if ($c == 1) {
$str = $str . "A";
}
if ($c == 2) {
$str = $str . "B";
}
if ($c == 3) {
$str = $str . "C";
}
if ($c == 4) {
$str = $str . "D";
}
if ($c == 5) {
$str = $str . "E";
}
if ($c == 6) {
$str = $str . "F";
}
if ($c == 7) {
$str = $str . "G";
}
if ($c == 8) {
$str = $str . "H";
}
if ($c == 9) {
$str = $str . "I";
}
if ($c == 10) {
$str = $str . "J";
}
if ($c == 11) {
$str = $str . "K";
}
if ($c == 12) {
$str = $str . "L";
}
if ($c == 13) {
$str = $str . "M";
}
if ($c == 14) {
$str = $str . "N";
}
if ($c == 15) {
$str = $str . "O";
}
if ($c == 16) {
$str = $str . "P";
}
}
foreach ($senders as $sender) {
$sender->encrypted_text = $str;
$sender->save();
}
return redirect('/sender');
}