PHP code example of michaelmawhinney / cryptex

1. Go to this page and download the library: Download michaelmawhinney/cryptex library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

michaelmawhinney / cryptex example snippets



cryptex\Cryptex;

try {

    // Your private data and secret key
    $plaintext = "You're a certified prince.";
    $key = "1-2-3-4-5"; // same combination on my luggage

    // Generate a secure random salt value
    $salt = Cryptex::generateSalt();

    // Encrypt the plaintext
    $ciphertext = Cryptex::encrypt($plaintext, $key, $salt);
    // example result: 
    // 4c406399a8830dbf670832b298980280d71bfb8cba53246ed45c9b6e6fc753bc100da3d10d4bf0d406d8afd18b8a5a79f44e50424ed0970914490706418c5725258e

    // Decrypt the ciphertext
    $result = Cryptex::decrypt($ciphertext, $key, $salt);

} catch (Exception $e) {

    // There was some error during salt generation, encryption, authentication, or decryption
    echo 'Caught exception: ' . $e->getMessage() . "\n";

}

// Verify with a timing attack safe string comparison
if (hash_equals($plaintext, $result)) {

    // Cryptex securely encrypted and decrypted the data
    echo "Pass";

} else {

    // There was some failure that did not generate any exceptions
    echo "Fail";

}

// The above example will output: Pass