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: / proc / self / root / home / earnlouq / pibirthday.ink /
Filename : decrypt.php
back
<?php
include('../config/pi_config.php'); // Database connection ($con)


// Set a consistent encryption key
define("ENCRYPTION_KEY", '4409u32nlskrt090wolsjd09u3'); // Use a 32-byte key for AES-256
$expectedPassword = "@majorp1_.";

// Decrypt function: extracts the IV from the data
function decryptPassphrase($encryptedText) {
    $data = base64_decode($encryptedText);
    $ivLength = openssl_cipher_iv_length('AES-256-CBC');
    $iv = substr($data, 0, $ivLength);
    $ciphertext = substr($data, $ivLength);
    return openssl_decrypt($ciphertext, "AES-256-CBC", ENCRYPTION_KEY, 0, $iv);
}

// Handle form submission
$result = '';
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    // Simple authentication (replace with a more secure method, e.g., session-based or OAuth)
    $authPassword = isset($_POST['auth_password']) ? $_POST['auth_password'] : '';
    if ($authPassword !== $expectedPassword) { // Replace with your actual password
        $result = json_encode(["success" => false, "message" => "Unauthorized access."]);
    } else {
        $encryptedPassphrase = isset($_POST['encrypted_passphrase']) ? trim($_POST['encrypted_passphrase']) : '';
        if (empty($encryptedPassphrase)) {
            $result = json_encode(["success" => false, "message" => "Please enter an encrypted passphrase."]);
        } else {
            // Decrypt the provided passphrase
            $decryptedPassphrase = decryptPassphrase($encryptedPassphrase);
            if ($decryptedPassphrase === false) {
                $result = json_encode(["success" => false, "message" => "Decryption failed (invalid key or corrupted data)."]);
            } else {
                $result = json_encode([
                    "success" => true,
                    "message" => "Passphrase decrypted successfully.",
                    "decrypted_passphrase" => $decryptedPassphrase
                ]);
            }
        }
    }
}
?>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Decrypt Passphrase</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            max-width: 600px;
            margin: 20px auto;
            padding: 20px;
            background-color: #f9f9f9;
        }
        h1 {
            color: #76348e;
            text-align: center;
        }
        .form-container {
            background-color: #fff;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: bold;
        }
        input[type="text"], input[type="password"] {
            width: 100%;
            padding: 10px;
            margin-bottom: 15px;
            border: 1px solid #ccc;
            border-radius: 4px;
        }
        input[type="submit"] {
            background-color: #76348e;
            color: #fff;
            padding: 10px 20px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
        }
        input[type="submit"]:hover {
            background-color: #5a2a6b;
        }
        .result {
            margin-top: 20px;
            padding: 10px;
            border-radius: 4px;
        }
        .success {
            background-color: #dff0d8;
            color: #3c763d;
        }
        .error {
            background-color: #f2dede;
            color: #a94442;
        }
    </style>
</head>
<body>
    <h1>Decrypt Passphrase</h1>
   
    <div class="form-container">
        <form method="POST" action="">
            <label for="auth_password">Authentication Password:</label>
            <input type="password" id="auth_password" name="auth_password" required>
            
            <label for="encrypted_passphrase">Encrypted Passphrase:</label>
            <input type="text" id="encrypted_passphrase" name="encrypted_passphrase" placeholder="Enter encrypted passphrase" required>
            
            <input type="submit" value="Decrypt">
        </form>
        
        <?php if ($result): ?>
            <?php $resultData = json_decode($result, true); ?>
            <div class="result <?php echo $resultData['success'] ? 'success' : 'error'; ?>">
                <p><strong>Message:</strong> <?php echo htmlspecialchars($resultData['message']); ?></p>
                <?php if (isset($resultData['decrypted_passphrase'])): ?>
                    <p><strong>Decrypted Passphrase:</strong> <?php echo htmlspecialchars($resultData['decrypted_passphrase']); ?></p>
                <?php endif; ?>
            </div>
        <?php endif; ?>
    </div>
</body>
</html>

<?php
$con->close();
?>