<?php
/**
 * Encrypt/decrypt with encryptionKey.
 *
 * @author      Alex Bilbie <hello@alexbilbie.com>
 * @copyright   Copyright (c) Alex Bilbie
 * @license     http://mit-license.org/
 *
 * @link        https://github.com/thephpleague/oauth2-server
 */

namespace League\OAuth2\Server;

use Defuse\Crypto\Crypto;
use Defuse\Crypto\Key;
use Exception;
use LogicException;

trait CryptTrait
{
    /**
     * @var string|Key|null
     */
    protected $encryptionKey;

    /**
     * Encrypt data with encryptionKey.
     *
     * @param string $unencryptedData
     *
     * @throws LogicException
     *
     * @return string
     */
    protected function encrypt($unencryptedData)
    {
        try {
            if ($this->encryptionKey instanceof Key) {
                return Crypto::encrypt($unencryptedData, $this->encryptionKey);
            }

            if (\is_string($this->encryptionKey)) {
                return Crypto::encryptWithPassword($unencryptedData, $this->encryptionKey);
            }

            throw new LogicException('Encryption key not set when attempting to encrypt');
        } catch (Exception $e) {
            throw new LogicException($e->getMessage(), 0, $e);
        }
    }

    /**
     * Decrypt data with encryptionKey.
     *
     * @param string $encryptedData
     *
     * @throws LogicException
     *
     * @return string
     */
    protected function decrypt($encryptedData)
    {
        try {
            if ($this->encryptionKey instanceof Key) {
                return Crypto::decrypt($encryptedData, $this->encryptionKey);
            }

            if (\is_string($this->encryptionKey)) {
                return Crypto::decryptWithPassword($encryptedData, $this->encryptionKey);
            }

            throw new LogicException('Encryption key not set when attempting to decrypt');
        } catch (Exception $e) {
            throw new LogicException($e->getMessage(), 0, $e);
        }
    }

    /**
     * Set the encryption key
     *
     * @param string|Key $key
     */
    public function setEncryptionKey($key = null)
    {
        $this->encryptionKey = $key;
    }
}

• [D] AuthorizationValidators
• [D] CodeChallengeVerifiers
• [D] Entities
• [D] Exception
• [D] Grant
• [D] Middleware
• [D] RedirectUriValidators
• [D] Repositories
• [D] RequestTypes
• [D] ResponseTypes
• [F] AuthorizationServer.php
  Delete
• [F] CryptKey.php
  Delete
• [F] CryptTrait.php
  Delete
• [F] RequestAccessTokenEvent.php
  Delete
• [F] RequestEvent.php
  Delete
• [F] RequestRefreshTokenEvent.php
  Delete
• [F] ResourceServer.php
  Delete

Blog Section

Discover the Latest in Digital Payments and NFC Technology

Dive into our blog to explore the cutting-edge trends in digital payments and NFC technology. Stay updated on the innovations that are revolutionizing transactions, boosting security, and making payments quicker and more convenient. Learn how these advancements are shaping the future of financial interactions and driving the global transition towards a cashless world.

The Rise of Contactless Payments:...

In recent years, contactless payments have surged in popularity, driven...

Visit Blog

March 27, 2024

Enhancing Payment Security: The Role...

As digital transactions proliferate, ensuring robust payment security is more critical than ever. Two foundational...

Visit Blog

March 27, 2024

The Future of Digital Wallets:...

Digital wallets have fundamentally transformed how we manage money, offering a streamlined, secure, and highly...

Visit Blog

March 27, 2024