tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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LinkServiceCommon.cpp (885B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #include "LinkServiceCommon.h"
      8 
      9 #include "mozilla/Maybe.h"
     10 #include "mozilla/SHA1.h"
     11 #include "mozilla/TimeStamp.h"
     12 #include "nsID.h"
     13 
     14 using namespace mozilla;
     15 
     16 void SeedNetworkId(SHA1Sum& aSha1) {
     17  static Maybe<nsID> seed = ([]() {
     18    Maybe<nsID> uuid(std::in_place);
     19    if (NS_FAILED(nsID::GenerateUUIDInPlace(*uuid))) {
     20      uuid.reset();
     21    }
     22    return uuid;
     23  })();
     24  if (seed) {
     25    aSha1.update(seed.ptr(), sizeof(*seed));
     26  } else {
     27    TimeStamp timestamp = TimeStamp::ProcessCreation();
     28    aSha1.update(&timestamp, sizeof(timestamp));
     29  }
     30 }