PHP code example of paragonie / password_lock

1. Go to this page and download the library: Download paragonie/password_lock 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/ */

paragonie / password_lock example snippets


use \ParagonIE\PasswordLock\PasswordLock;
use \Defuse\Crypto\Key;

$key = Key::createNewRandomKey();
if (isset($_POST['password'])) {
    if (!is_string($_POST['password'])) {
        die("Password must be a string");
    }
    $storeMe = PasswordLock::hashAndEncrypt($_POST['password'], $key);
}


if (isset($_POST['password'])) {
    if (!is_string($_POST['password'])) {
        die("Password must be a string");
    }
    if (PasswordLock::decryptAndVerify($_POST['password'], $storeMe, $key)) {
        // Success!
    }
}


use ParagonIE\PasswordLock\PasswordLock;
/**
 * @var string $encryptedPwhash
 * @var Defuse\Crypto\Key $key
 */

if (PasswordLock::needsRehash($encryptedPwhash, $key)) {
    // Recalculate PasswordLock::hashAndEncrypt()
}


$newKey = \Defuse\Crypto\Key::createNewRandomKey();
$newHash = PasswordLock::rotateKey($storeMe, $key, $newKey);


$newHash = PasswordLock::upgradeFromVersion1(
    $_POST['password'],
    $oldHash,
    $oldKey,
    $newKey
);