Topic: Another riddle - guess script win 10BTC [SOLVED] (Read 8379 times)

888ee31308b8c062ff643b790a22aa8acad3db64

$password = 'cozz';
for ($i = 1; $i <= 5; $i++) $password = md5($password.'pepper');
$password = base64_encode($password);
$password = sha1($password); # git uses sha1
for ($i = 1; $i <= 2; $i++) $password = hash('sha256',$password); # bitcoin
$password = preg_replace('/[0-9]+/','', $password).'500euro';
for($i = 0; $i < strlen($password); $i++) $password[$i] = chr(ord($password[$i])+3); # caesar
$password = hash('whirlpool',$password.'+alice');
for ($i = 1; $i <= 50; $i++) $password = hash('whirlpool',$password);
$password = str_replace('78427939','',$password); # phone number
for ($i = 1; $i <= 6; $i++) $password = hash('ripemd160',$password);
echo "$password\n";

function ord() {
  LC_CTYPE=C printf '%d' "'$1"
}

function chr() {
  printf \\$(printf '%03o' $1)
}

password="cozz"
for (( i=1; i<=5; i++ )); do
	password=$(echo -n "$password""pepper" | md5sum | cut -d ' ' -f 1)
done
password=$(echo -n "$password" | base64)
password=$(echo -n "$password" | sha1sum | cut -d ' ' -f 1)
for (( i=1; i<=2; i++ )); do
	password=$(echo -n "$password" | sha256sum | cut -d ' ' -f 1)
done
for (( i=0; i<=9; i++ )); do 
	password=${password//$i/}
done
password="$password""500euro"
for (( i=0; i<${#password}; i++ )); do
	password="${password:0:$i}""$(chr $(($(ord ${password:$i:1})+3)))""${password:$(($i+1))}" # caesar
done
password=$(echo -n "$password""+alice" | whirlpoolsum | cut -d ' ' -f 1)
for (( i=1; i<=50; i++ )); do
   password=$(echo -n "$password" | whirlpoolsum | cut -d ' ' -f 1)
done
password=${password/78427939/}
for (( i=1; i<=6; i++ )); do
	password=$(echo -n "$password" | openssl rmd160 | cut -d ' ' -f 2)
done
echo "$password"

$phonefound = false;

function whirlphone($stuff)
{
	global $phonefound;

	$out = hash('whirlpool', $stuff);
	$offset = 0;
	
	again:
	$pos = strpos($out, '78', $offset);
	if ($pos !== false && !$phonefound)
	{
		$phone = substr($out, $pos, 8);
		if (ctype_digit($phone) && strlen($phone) == 8)
		{
			$phonefound = true;
			echo 'Possible phone: ' . $phone . "\n";
			echo 'preout: ' . $out . "\n";
			$out = substr($out, 0, $pos) . substr($out, $pos + 8);
			echo 'aftout: ' . $out . "\n";
			return $out;
		}
		else
		{
			$offset = $pos + 2;
			goto again;
		}
	}

	return $out;
}

$start = whirlphone($start . '+alice');

for ($i = 1; $i <= 50; $i++)
{
	$start = whirlphone($start);
}