Add ChaCha20Poly1305Encrypter, based on

net/quic/crypto/chacha20_poly1305_encrypter.h

Index: net/quic/crypto/chacha20_poly1305_encrypter.h
===================================================================
--- net/quic/crypto/chacha20_poly1305_encrypter.h	(revision 0)
+++ net/quic/crypto/chacha20_poly1305_encrypter.h	(revision 0)
@@ -0,0 +1,43 @@
+// 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.
+
+#ifndef NET_QUIC_CRYPTO_CHACHA20_POLY1305_ENCRYPTER_H_
+#define NET_QUIC_CRYPTO_CHACHA20_POLY1305_ENCRYPTER_H_
+
+#include "net/quic/crypto/aead_base_encrypter.h"
+
+namespace net {
+
+// A ChaCha20Poly1305Encrypter is a QuicEncrypter that implements the
+// AEAD_CHACHA20_POLY1305 algorithm specified in
+// draft-agl-tls-chacha20poly1305-04. Create an instance by calling
+// QuicEncrypter::Create(kCC12).
+//
+// It uses an authentication tag of 16 bytes (128 bits). There is no
+// fixed nonce prefix.
+class NET_EXPORT_PRIVATE ChaCha20Poly1305Encrypter : public AeadBaseEncrypter {
+ public:
+  enum {
+    kAuthTagSize = 16,
+  };
+
+  ChaCha20Poly1305Encrypter();
+  virtual ~ChaCha20Poly1305Encrypter();
+
+  // Returns true if the underlying crypto library supports ChaCha20+Poly1305.
+  static bool IsSupported();
+
+#if !defined(USE_OPENSSL)
+ protected:
+  // AeadBaseEncrypter methods:
+  virtual void FillAeadParams(base::StringPiece nonce,
+                              base::StringPiece associated_data,
+                              size_t auth_tag_size,
+                              AeadParams* aead_params) const OVERRIDE;
+#endif
+};
+
+}  // namespace net
+
+#endif  // NET_QUIC_CRYPTO_CHACHA20_POLY1305_ENCRYPTER_H_
Property changes on: net/quic/crypto/chacha20_poly1305_encrypter.h
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Added: svn:eol-style
   + LF