| // 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. |
| |
| #include "remoting/host/pin_hash.h" |
| |
| #include "base/base64.h" |
| #include "base/logging.h" |
| #include "remoting/protocol/authentication_method.h" |
| #include "remoting/protocol/me2me_host_authenticator_factory.h" |
| |
| namespace remoting { |
| |
| std::string MakeHostPinHash(const std::string& host_id, |
| const std::string& pin) { |
| std::string hash = protocol::AuthenticationMethod::ApplyHashFunction( |
| protocol::AuthenticationMethod::HMAC_SHA256, host_id, pin); |
| std::string hash_base64; |
| if (!base::Base64Encode(hash, &hash_base64)) { |
| LOG(FATAL) << "Base64Encode failed"; |
| } |
| return "hmac:" + hash_base64; |
| } |
| |
| bool VerifyHostPinHash(const std::string& hash, |
| const std::string& host_id, |
| const std::string& pin) { |
| remoting::protocol::SharedSecretHash hash_parsed; |
| if (!hash_parsed.Parse(hash)) { |
| LOG(FATAL) << "Invalid hash."; |
| return false; |
| } |
| std::string hash_calculated = |
| remoting::protocol::AuthenticationMethod::ApplyHashFunction( |
| hash_parsed.hash_function, host_id, pin); |
| return hash_calculated == hash_parsed.value; |
| } |
| |
| } // namespace remoting |