blob: 571a3618891d926042d65ba3ced49782e70066fa (
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
|
/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <array>
namespace android {
/**
* Invalid value of HMAC - SHA256. Any events with this HMAC value will be marked as not verified.
*/
constexpr std::array<uint8_t, 32> INVALID_HMAC = {0};
class HmacKeyManager {
public:
HmacKeyManager();
std::array<uint8_t, 32> sign(const uint8_t* data, size_t size) const;
private:
const std::array<uint8_t, 128> mHmacKey;
};
} // namespace android
|
