blob: b09fe32fd6f02020c0f5608bd51f80451a2bbf12 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
// Copyright 2018 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 "base/token.h"
#include <inttypes.h>
#include "base/pickle.h"
#include "base/rand_util.h"
#include "base/strings/stringprintf.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
namespace base {
// static
Token Token::CreateRandom() {
Token token;
// Use base::RandBytes instead of crypto::RandBytes, because crypto calls the
// base version directly, and to prevent the dependency from base/ to crypto/.
base::RandBytes(&token, sizeof(token));
return token;
}
std::string Token::ToString() const {
return base::StringPrintf("%016" PRIX64 "%016" PRIX64, words_.w0, words_.w1);
}
void WriteTokenToPickle(Pickle* pickle, const Token& token) {
pickle->WriteUInt64(token.high());
pickle->WriteUInt64(token.low());
}
absl::optional<Token> ReadTokenFromPickle(PickleIterator* pickle_iterator) {
uint64_t high;
if (!pickle_iterator->ReadUInt64(&high))
return absl::nullopt;
uint64_t low;
if (!pickle_iterator->ReadUInt64(&low))
return absl::nullopt;
return Token(high, low);
}
} // namespace base
|
