Add ChaCha20Poly1305Encrypter, based on

net/quic/crypto/chacha20_poly1305_decrypter_openssl.cc

Index: net/quic/crypto/chacha20_poly1305_decrypter_openssl.cc
===================================================================
--- net/quic/crypto/chacha20_poly1305_decrypter_openssl.cc	(revision 0)
+++ net/quic/crypto/chacha20_poly1305_decrypter_openssl.cc	(revision 0)
@@ -0,0 +1,31 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "net/quic/crypto/chacha20_poly1305_decrypter.h"
+
+#include <openssl/evp.h>
+
+namespace net {
+
+namespace {
+
+const size_t kKeySize = 32;
+const size_t kNoncePrefixSize = 0;
+
+}  // namespace
+
+ChaCha20Poly1305Decrypter::ChaCha20Poly1305Decrypter()
+    : AeadBaseDecrypter(EVP_aead_chacha20_poly1305(), kKeySize, kAuthTagSize,
+                        kNoncePrefixSize) {
+  COMPILE_ASSERT(kKeySize <= kMaxKeySize, key_size_too_big);
+  COMPILE_ASSERT(kNoncePrefixSize <= kMaxNoncePrefixSize,
+                 nonce_prefix_size_too_big);
+}
+
+ChaCha20Poly1305Decrypter::~ChaCha20Poly1305Decrypter() {}
+
+// static
+bool ChaCha20Poly1305Decrypter::IsSupported() { return true; }
+
+}  // namespace net
Property changes on: net/quic/crypto/chacha20_poly1305_decrypter_openssl.cc
___________________________________________________________________
Added: svn:eol-style
   + LF