1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef NET_SOCKET_SSL_SOCKET_H_
6#define NET_SOCKET_SSL_SOCKET_H_
7
8#include "base/basictypes.h"
9#include "base/strings/string_piece.h"
10#include "net/socket/stream_socket.h"
11
12namespace net {
13
14// SSLSocket interface defines method that are common between client
15// and server SSL sockets.
16class NET_EXPORT SSLSocket : public StreamSocket {
17public:
18  virtual ~SSLSocket() {}
19
20  // Exports data derived from the SSL master-secret (see RFC 5705).
21  // If |has_context| is false, uses the no-context construction from the
22  // RFC and |context| is ignored.  The call will fail with an error if
23  // the socket is not connected or the SSL implementation does not
24  // support the operation.
25  virtual int ExportKeyingMaterial(const base::StringPiece& label,
26                                   bool has_context,
27                                   const base::StringPiece& context,
28                                   unsigned char* out,
29                                   unsigned int outlen) = 0;
30
31  // Stores the the tls-unique channel binding (see RFC 5929) in |*out|.
32  virtual int GetTLSUniqueChannelBinding(std::string* out) = 0;
33};
34
35}  // namespace net
36
37#endif  // NET_SOCKET_SSL_SOCKET_H_
38