runff 1.0 commit

lib/aws/Aws/Crypto/AesStreamInterface.php

@@ -0,0 +1,30 @@
+<?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();
+}