<?php namespace Aws\Crypto; use Psr\Http\Message\StreamInterface; interface AesStreamInterface extends StreamInterface { /** * Returns an identifier recognizable by `openssl_*` functions, such as * `aes-256-cbc` or `aes-128-ctr`. * * @return string */ public function getOpenSslName(); /** * Returns an AES recognizable name, such as 'AES/GCM/NoPadding'. * * @return string */ public function getAesName(); /** * Returns the IV that should be used to initialize the next block in * encrypt or decrypt. * * @return string */ public function getCurrentIv(); }