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      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 
     12 namespace net {
     13 
     14 // SSLSocket interface defines method that are common between client
     15 // and server SSL sockets.
     16 class NET_EXPORT SSLSocket : public StreamSocket {
     17 public:
     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