<?php
// TARP KABUCIU IRASYKITE DESIFRUOJAMA SLAPTAZODI
$slaptazodis = 'ZcC8rzJdQnfryB/n1dXd2wGxgh0BwV/PP7RbJ/O4omW2zDHqO+D3VrZ+MygZ8fc4QIAaIi0gDT8y1lo5o4VnPj9RnvcB443kk9AMcW924Z8Kqm/E3CNuNVFU5jaIPfHI|m0CU27tiy/yNqeGPeXodWDp1046DzOf8uEg2j7bpdk0=';
// TARP KABUCIU IRASYKITE DESIFRAVIMO RAKTA
$raktas = '6723285221633e516d3d404c66686a2c51294530776b21277a245d664d5d664d';
// NEKEISKITE NIEKO ZEMIAU SIOS EILUTES
echo '=== ATSAKYMO PRADZIA ===' . PHP_EOL;
echo mc_decrypt($slaptazodis, $raktas) . PHP_EOL;
echo '=== ATSAKYMO PABAIGA ===';
// DESIFRAVIMO FUNKCIJA
function mc_decrypt($decrypt, $key){
$decrypt = explode('|', $decrypt.'|');
$decoded = base64_decode($decrypt[0]);
$iv = base64_decode($decrypt[1]);
if(strlen($iv)!==mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_CBC)){ return false; }
$key = pack('H*', $key);
$decrypted = trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, $decoded, MCRYPT_MODE_CBC, $iv));
$mac = substr($decrypted, -64);
$decrypted = substr($decrypted, 0, -64);
$calcmac = hash_hmac('sha256', $decrypted, substr(bin2hex($key), -32));
if($calcmac!==$mac){ return false; }
$decrypted = unserialize($decrypted);
return $decrypted;
}
preferences:
50.93 ms | 402 KiB | 5 Q