View file vendor/laravel/framework/src/Illuminate/Contracts/Encryption/StringEncrypter.php
<?php namespace Illuminate\Contracts\Encryption; interface StringEncrypter { /** * Encrypt a string without serialization. * * @param string $value * @return string * * @throws \Illuminate\Contracts\Encryption\EncryptException */ public function encryptString($value); /** * Decrypt the given string without unserialization. * * @param string $payload * @return string * * @throws \Illuminate\Contracts\Encryption\DecryptException */ public function decryptString($payload); }