Online PHP editor | rfc for 7BIeH

<?php class xxtea { public function encrypt($key, $salt = null) { if (is_null($salt)) { $strSalt = $this->salt; } else { $strSalt = $salt; } return str_replace(array('+', '/', '='), array('-', '_', '.'), base64_encode($this->xxteaEncrypt($key, $strSalt))); } public function decrypt($value, $salt = null) { if (is_null($salt)) { $strSalt = $this->salt; } else { $strSalt = $salt; } $strValue = str_replace(array('-', '_', '.'), array('+', '/', '='), $value); return $this->xxteaDecrypt(base64_decode($strValue), $strSalt); } private function long2str($v, $w) { $len = count($v); $n = ($len - 1) << 2; if ($w) { $m = $v[$len - 1]; if (($m < $n - 3) || ($m > $n)) return false; $n = $m; } $s = array(); for ($i = 0; $i < $len; $i++) { $s[$i] = pack("V", $v[$i]); } if ($w) { return substr(join('', $s), 0, $n); } else { return join('', $s); } } private function str2long($s, $w) { $v = unpack("V*", $s . str_repeat("\0", (4 - strlen($s) % 4) & 3)); $v = array_values($v); if ($w) { $v[count($v)] = strlen($s); } return $v; } private function int32($n) { while ($n >= 2147483648) $n -= 4294967296; while ($n <= -2147483649) $n += 4294967296; return (int) $n; } private function xxteaEncrypt($str, $key) { if ($str == "") { return ""; } $v = $this->str2long($str, true); $k = $this->str2long($key, false); if (count($k) < 4) { for ($i = count($k); $i < 4; $i++) { $k[$i] = 0; } } $n = count($v) - 1; $z = $v[$n]; $y = $v[0]; $delta = 0x9E3779B9; $q = floor(6 + 52 / ($n + 1)); $sum = 0; while (0 < $q--) { $sum = $this->int32($sum + $delta); $e = $sum >> 2 & 3; for ($p = 0; $p < $n; $p++) { $y = $v[$p + 1]; $mx = $this->int32((($z >> 5 & 0x07ffffff) ^ $y << 2) + (($y >> 3 & 0x1fffffff) ^ $z << 4)) ^ $this->int32(($sum ^ $y) + ($k[$p & 3 ^ $e] ^ $z)); $z = $v[$p] = $this->int32($v[$p] + $mx); } $y = $v[0]; $mx = $this->int32((($z >> 5 & 0x07ffffff) ^ $y << 2) + (($y >> 3 & 0x1fffffff) ^ $z << 4)) ^ $this->int32(($sum ^ $y) + ($k[$p & 3 ^ $e] ^ $z)); $z = $v[$n] = $this->int32($v[$n] + $mx); } return $this->long2str($v, false); } private function xxteaDecrypt($str, $key) { if ($str == "") { return ""; } $v = $this->str2long($str, false); $k = $this->str2long($key, false); if (count($k) < 4) { for ($i = count($k); $i < 4; $i++) { $k[$i] = 0; } } $n = count($v) - 1; $z = $v[$n]; $y = $v[0]; $delta = 0x9E3779B9; $q = floor(6 + 52 / ($n + 1)); $sum = $this->int32($q * $delta); while ($sum != 0) { $e = $sum >> 2 & 3; for ($p = $n; $p > 0; $p--) { $z = $v[$p - 1]; $mx = $this->int32((($z >> 5 & 0x07ffffff) ^ $y << 2) + (($y >> 3 & 0x1fffffff) ^ $z << 4)) ^ $this->int32(($sum ^ $y) + ($k[$p & 3 ^ $e] ^ $z)); $y = $v[$p] = $this->int32($v[$p] - $mx); } $z = $v[$n]; $mx = $this->int32((($z >> 5 & 0x07ffffff) ^ $y << 2) + (($y >> 3 & 0x1fffffff) ^ $z << 4)) ^ $this->int32(($sum ^ $y) + ($k[$p & 3 ^ $e] ^ $z)); $y = $v[0] = $this->int32($v[0] - $mx); $sum = $this->int32($sum - $delta); } return $this->long2str($v, true); } } $vids = array( 'LDpiIaiflqKm_1-sn4rlfQ..', 'Whv6DqoIWnTjbdVpOB_G-A..', '_XzfjQwvFb1Iw7IOVObezA..', 'x4YLLeBVCF3hTXmQC-aSBg..', 'R7w6DO0HVWSptVxcUzfEMA..', 'RaEw9f_cUDLir6Ztfpis_A..', 'x1iZMvYg_aQGZXJqHrUwCA..', 'xSz5rd55YacQwj-sjO8VbQ..', 'VwNXGoiLtXiPHtmEFFRMVQ..', 'I8IzZN3DEq3gxtEkQf307g..', 'kf1prc571ansQlFJVeMXLA..', 'zDLp-memmjq9mkbM9WXmdg..', '6jV7RIzIQSg8lPtfIdwbbg..', 'AxrJCwNqFm5jdeu5YJ8dPg..', 'OQl3bTsQ7pEnZyEl8kVN8g..', 'VKS7CkhAFGz5AuxG-owjCA..', 'ESmoSOB2E_9ZTxd_9y-VnQ..', 'BOjeKIzCc45zptk-_bjS7Q..', 'g97f-XmzN-9k-965anrkvA..', 'VQsElAqBu2K2GNIIUj88ug..', 'IlKrFix9OvrMOeXEW0NORg..', 'gBQXe_sPS3P9PbM9jwZGFg..', '2k2Y8EvQvj5p2NnolYNAmQ..', 'L0II99osOogKsExJMleyFQ..', 'j08XwBlaaFf_FXpFQEG9fw..', 'Y7icpn7Ystql5gR0KlQ9-w..', 'PGbJS5W2q5Oww92xxObbFQ..', 'zv2oaf8eGU5d4eFoKfyr9A..', 'rCVGNjIiZh0GjMgrOtz_jg..', 'V-qAJ2JcBnWa2z6JduqdoQ..', 'ykHHrnnx5VGeb9TnSDuYmw..', 's75LCLqi9zMd_qK9ryjkVA..', 'roWVA9tycIQioMBXE8oEgw..', 'FkOO9v8mHl5GrgQPq4desg..', '2bfOvqywAUjD3uMrixDSXg..', 'oOr0n0Z4Vpl7hBlt7SH0Lg..', 'kw4nushuOgtabBF0V1NH8g..', 'Px9pFI_x15fEtgH_ikD51g..', 'T7ptAH3TlQJzE5ahxwfDbA..', 'fcSWOcRfXzrokzsUJozULg..', 'ozAsO0tVEAf6PPL-Bwygyw..', '_UYs73ER8y4-gITclUc5CQ..', 'dvO__BFcF3TvajG2Ct0krg..', 'ZKvfoj3aDj-hMhjYvsfpVg..', 'NtqVtPOw5l6dHsA9ZCmkSw..', 'ygfwGQgSoSoJOj0EvAjDeg..', '-df2AMojyvJ4Flx8m4lRMw..', 'dJNyq2E73uPpBGs068MEuQ..', ); foreach ($vids as $vid) { $xxtea = new xxtea(); echo $xxtea->decrypt($vid, '!@#^~ku6&%(com)T') . PHP_EOL; }

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