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// 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;
base::Base64Encode(hash, &hash_base64);
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
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