PHP code example of phpsoftbox / encryptor

1. Go to this page and download the library: Download phpsoftbox/encryptor 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/ */

    

phpsoftbox / encryptor example snippets




declare(strict_types=1);

use PhpSoftBox\Encryptor\Encryptor;

$encryptor = new Encryptor(defaultKey: $_ENV['APP_KEY']);

$ciphertext = $encryptor->encrypt('payload', $_ENV['APP_KEY']);
$plain = $encryptor->decrypt($ciphertext, $_ENV['APP_KEY']);



use PhpSoftBox\Encryptor\Encryptor;
use PhpSoftBox\Encryptor\Key\ArrayKeyProvider;

$encryptor = new Encryptor(
    keyProvider: new ArrayKeyProvider($_ENV['APP_KEY']),
);

$ciphertext = $encryptor->encryptWithCurrentKey('payload');
$plain = $encryptor->decryptWithAnyKey($ciphertext);

$ciphertext = $encryptor->encryptWithCurrentKey($sessionId, 'cookie:psb_session');
$encryptor->decryptWithAnyKey($ciphertext, 'cookie:psb_session'); // $sessionId
$encryptor->decryptWithAnyKey($ciphertext, 'cookie:remember_web'); // исключение



use PhpSoftBox\Encryptor\Encryptor;

$encryptor = new Encryptor();

$ciphertext = $encryptor->encryptWithDriver('openssl', 'payload', $_ENV['APP_KEY']);
$plain = $encryptor->decryptWithDriver('openssl', $ciphertext, $_ENV['APP_KEY']);



use PhpSoftBox\Encryptor\Contracts\DriverInterface;
use PhpSoftBox\Encryptor\Encryptor;

final class MyDriver implements DriverInterface
{
    public function name(): string
    {
        return 'my-driver';
    }

    public function encrypt(string $plaintext, string $key, string $associatedData = ''): string
    {
        // ...
    }

    public function decrypt(string $ciphertext, string $key, string $associatedData = ''): string
    {
        // ...
    }
}

$encryptor = new Encryptor();
$encryptor->registerDriver(new MyDriver());

$ciphertext = $encryptor->encryptWithDriver('my-driver', 'payload', $_ENV['APP_KEY']);
$plain = $encryptor->decryptWithDriver('my-driver', $ciphertext, $_ENV['APP_KEY']);



use PhpSoftBox\Encryptor\EncryptedValue;
use PhpSoftBox\Encryptor\Encryptor;

$encryptor = new Encryptor(defaultKey: $_ENV['APP_KEY']);
$ciphertext = $encryptor->encrypt('payload', $_ENV['APP_KEY']);

$value = new EncryptedValue($ciphertext);
$plain = $encryptor->resolve($value); // payload



use PhpSoftBox\Encryptor\EncryptedValue;
use PhpSoftBox\Encryptor\Encryptor;

$encryptor = new Encryptor(defaultKey: $keyV1);
$ciphertext = $encryptor->encrypt('payload', $keyV2);

$value = new EncryptedValue($ciphertext, key: $keyV2, driver: 'openssl');
$plain = $encryptor->resolve($value);



use PhpSoftBox\Encryptor\Encryptor;
use PhpSoftBox\Encryptor\Key\ArrayKeyProvider;

$provider = new ArrayKeyProvider(
    currentKey: $_ENV['APP_KEY'],
    previousKeys: [$_ENV['APP_PREVIOUS_KEY']],
);

$encryptor = new Encryptor(keyProvider: $provider);

$ciphertext = $encryptor->encryptWithCurrentKey('payload'); // шифруется текущим ключом
$plain = $encryptor->decryptWithAnyKey($ciphertext);        // пробует текущий, затем предыдущие



use DI\ContainerBuilder;
use PhpSoftBox\Encryptor\Contracts\EncryptedValueResolverInterface;
use PhpSoftBox\Encryptor\Contracts\KeyProviderInterface;
use PhpSoftBox\Encryptor\Encryptor;
use PhpSoftBox\Encryptor\Key\ArrayKeyProvider;

$builder = new ContainerBuilder();
$builder->addDefinitions([
    KeyProviderInterface::class => static function (): KeyProviderInterface {
        $currentKey = (string) ($_ENV['APP_KEY'] ?? '');
        $previousRaw = (string) ($_ENV['APP_PREVIOUS_KEYS'] ?? '');
        $previousKeys = array_filter(array_map('trim', explode(',', $previousRaw)));

        return new ArrayKeyProvider($currentKey, $previousKeys);
    },
    Encryptor::class => static function (KeyProviderInterface $keys): Encryptor {
        return new Encryptor(keyProvider: $keys);
    },
    EncryptedValueResolverInterface::class => static function (Encryptor $encryptor): EncryptedValueResolverInterface {
        return $encryptor;
    },
]);

$container = $builder->build();
$encryptor = $container->get(Encryptor::class);



use PhpSoftBox\Config\Config;
use PhpSoftBox\Encryptor\EncryptedValue;
use PhpSoftBox\Encryptor\Encryptor;

$encryptor = new Encryptor(defaultKey: $_ENV['APP_KEY']);
$hash = $encryptor->encrypt('payload', $_ENV['APP_KEY']);

$config = new Config(
    [
        ['secret' => new EncryptedValue($hash)],
    ],
    encryptedValueResolver: $encryptor,
);

$plain = $config->get('secret'); // payload



use PhpSoftBox\Config\ConfigFactory;
use PhpSoftBox\Encryptor\Encryptor;

$factory = new ConfigFactory(
    baseDir: __DIR__ . '/..',
    encryptedValueResolver: new Encryptor(defaultKey: $_ENV['APP_KEY'])
);

$config = $factory->create();