Move shared files in net/quic/ into net/quic/core/

net/quic/quic_crypto_stream.h

-// Copyright (c) 2012 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_QUIC_CRYPTO_STREAM_H_
-#define NET_QUIC_QUIC_CRYPTO_STREAM_H_
-
-#include <stddef.h>
-
-#include "base/macros.h"
-#include "net/quic/crypto/crypto_framer.h"
-#include "net/quic/crypto/crypto_utils.h"
-#include "net/quic/quic_config.h"
-#include "net/quic/quic_protocol.h"
-#include "net/quic/reliable_quic_stream.h"
-
-namespace net {
-
-class CryptoHandshakeMessage;
-class QuicSession;
-
-// Crypto handshake messages in QUIC take place over a reserved
-// reliable stream with the id 1.  Each endpoint (client and server)
-// will allocate an instance of a subclass of QuicCryptoStream
-// to send and receive handshake messages.  (In the normal 1-RTT
-// handshake, the client will send a client hello, CHLO, message.
-// The server will receive this message and respond with a server
-// hello message, SHLO.  At this point both sides will have established
-// a crypto context they can use to send encrypted messages.
-//
-// For more details: http://goto.google.com/quic-crypto
-class NET_EXPORT_PRIVATE QuicCryptoStream
-    : public ReliableQuicStream,
-      public CryptoFramerVisitorInterface {
- public:
-  explicit QuicCryptoStream(QuicSession* session);
-
-  // CryptoFramerVisitorInterface implementation
-  void OnError(CryptoFramer* framer) override;
-  void OnHandshakeMessage(const CryptoHandshakeMessage& message) override;
-
-  // ReliableQuicStream implementation
-  void OnDataAvailable() override;
-
-  // Sends |message| to the peer.
-  // TODO(wtc): return a success/failure status.
-  void SendHandshakeMessage(const CryptoHandshakeMessage& message);
-  // As above, but registers |delegate| for notification when |message| has been
-  // ACKed by the peer.
-  void SendHandshakeMessage(const CryptoHandshakeMessage& message,
-                            QuicAckListenerInterface* listener);
-
-  // Performs key extraction to derive a new secret of |result_len| bytes
-  // dependent on |label|, |context|, and the stream's negotiated subkey secret.
-  // Returns false if the handshake has not been confirmed or the parameters are
-  // invalid (e.g. |label| contains null bytes); returns true on success.
-  bool ExportKeyingMaterial(base::StringPiece label,
-                            base::StringPiece context,
-                            size_t result_len,
-                            std::string* result) const;
-
-  // Performs key extraction for Token Binding. Unlike ExportKeyingMaterial,
-  // this function can be called before forward-secure encryption is
-  // established. Returns false if initial encryption has not been established,
-  // and true on success.
-  //
-  // Since this depends only on the initial keys, a signature over it can be
-  // repurposed by an attacker who obtains the client's or server's DH private
-  // value.
-  bool ExportTokenBindingKeyingMaterial(std::string* result) const;
-
-  bool encryption_established() const { return encryption_established_; }
-  bool handshake_confirmed() const { return handshake_confirmed_; }
-
-  const QuicCryptoNegotiatedParameters& crypto_negotiated_params() const;
-
- protected:
-  bool encryption_established_;
-  bool handshake_confirmed_;
-
-  QuicCryptoNegotiatedParameters crypto_negotiated_params_;
-
- private:
-  CryptoFramer crypto_framer_;
-
-  DISALLOW_COPY_AND_ASSIGN(QuicCryptoStream);
-};
-
-}  // namespace net
-
-#endif  // NET_QUIC_QUIC_CRYPTO_STREAM_H_