remoting/protocol/auth_util.h

   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 REMOTING_PROTOCOL_AUTH_UTIL_H_
   6 #define REMOTING_PROTOCOL_AUTH_UTIL_H_
   7
   8 #include <string>
   9
  10 #include "base/strings/string_piece.h"
  11
  12 namespace net {
  13 class SSLSocket;
  14 }  // namespace net
  15
  16 namespace remoting {
  17 namespace protocol {
  18
  19 // Labels for use when exporting the SSL master keys.
  20 extern const char kClientAuthSslExporterLabel[];
  21 extern const char kHostAuthSslExporterLabel[];
  22
  23 // Fake hostname used for SSL connections.
  24 extern const char kSslFakeHostName[];
  25
  26 // Size of the HMAC-SHA-256 hash used as shared secret in SPAKE2.
  27 const size_t kSharedSecretHashLength = 32;
  28
  29 // Size of the HMAC-SHA-256 digest used for channel authentication.
  30 const size_t kAuthDigestLength = 32;
  31
  32 // TODO(sergeyu): The following two methods are used for V1
  33 // authentication. Remove them when we finally switch to V2
  34 // authentication method. crbug.com/110483 .
  35
  36 // Generates auth token for the specified |jid| and |access_code|.
  37 std::string GenerateSupportAuthToken(const std::string& jid,
  38                                      const std::string& access_code);
  39
  40 // Verifies validity of an |access_token|.
  41 bool VerifySupportAuthToken(const std::string& jid,
  42                             const std::string& access_code,
  43                             const std::string& auth_token);
  44
  45 // Returns authentication bytes that must be used for the given
  46 // |socket|. Empty string is returned in case of failure.
  47 std::string GetAuthBytes(net::SSLSocket* socket,
  48                          const base::StringPiece& label,
  49                          const base::StringPiece& shared_secret);
  50
  51 }  // namespace protocol
  52 }  // namespace remoting
  53
  54 #endif  // REMOTING_PROTOCOL_AUTH_UTIL_H_