Md5 Decrypt - Php

// Usage $lookup = new MD5Lookup(); $lookup->loadRainbowTable("rainbow_table.txt"); $result = $lookup->lookup("b10a8db164e0754105b7a99be72e3fe5"); if ($result) echo "Found: " . $result; // Outputs: Hello World

Never Store Passwords with MD5 // DON'T DO THIS $password = $_POST['password']; $hashedPassword = md5($password); // UNSECURE! // DO THIS INSTEAD $hashedPassword = password_hash($password, PASSWORD_BCRYPT); // Verify with: if (password_verify($password, $hashedPassword)) // Password matches md5 decrypt php

return false;

class MD5Lookup private $rainbowTable = []; public function loadRainbowTable($filePath) // Load precomputed hash:plaintext pairs $handle = fopen($filePath, "r"); while (($line = fgets($handle)) !== false) list($hash, $plaintext) = explode(":", trim($line)); $this->rainbowTable[$hash] = $plaintext; fclose($handle); // Usage $lookup = new MD5Lookup()

private function bruteForceAttack($targetHash, $maxLength) $charset = 'abcdefghijklmnopqrstuvwxyz0123456789'; $charsetLength = strlen($charset); for ($length = 1; $length <= $maxLength; $length++) $totalCombinations = pow($charsetLength, $length); for ($i = 0; $i < $totalCombinations; $i++) $guess = $this->numberToBase($i, $charset, $length); if (md5($guess) === $targetHash) return $guess; return false; $result = $lookup-&gt

// Usage $hash = md5("hello"); $result = onlineMD5Lookup($hash); echo $result; // Outputs: hello class MD5Cracker private $methods = []; private $rainbowTable = []; public function addDictionary($filePath) $this->methods['dictionary'] = $filePath;