blob: 76acdc7e6f5b63c64baf9dc5c8e7982d8daa6c3d (
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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/*
* Copyright 2021 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.
*/
#pragma once
#include <cppbor.h>
#include <cppbor_parse.h>
#include <keymaster/android_keymaster_utils.h>
#include <keymaster/cppcose/cppcose.h>
namespace keymaster {
// These are the negations of the actual error codes
constexpr keymaster_error_t kStatusFailed = static_cast<keymaster_error_t>(-1);
constexpr keymaster_error_t kStatusInvalidMac = static_cast<keymaster_error_t>(-2);
constexpr keymaster_error_t kStatusProductionKeyInTestRequest = static_cast<keymaster_error_t>(-3);
constexpr keymaster_error_t kStatusTestKeyInProductionRequest = static_cast<keymaster_error_t>(-4);
constexpr keymaster_error_t kStatusInvalidEek = static_cast<keymaster_error_t>(-5);
template <typename T> class StatusOr {
public:
StatusOr(int32_t status_code) // NOLINT(google-explicit-constructor)
: status_code_(status_code) {}
StatusOr(T val)
: status_code_(0), value_(std::move(val)) {} // NOLINT(google-explicit-constructor)
bool isOk() { return status_code_ == 0; }
T* operator->() & {
assert(isOk());
return &value_.value();
}
T& operator*() & {
assert(isOk());
return value_.value();
}
T&& operator*() && {
assert(isOk());
return std::move(value_).value();
}
int32_t moveError() {
assert(!isOk());
return status_code_;
}
T moveValue() { return std::move(value_).value(); }
private:
int32_t status_code_;
std::optional<T> value_;
};
StatusOr<std::pair<std::vector<uint8_t> /* EEK pub */, std::vector<uint8_t> /* EEK ID */>>
validateAndExtractEekPubAndId(bool testMode, const KeymasterBlob& endpointEncryptionCertChain);
StatusOr<std::vector<uint8_t> /* pubkeys */>
validateAndExtractPubkeys(bool testMode, uint32_t numKeys, KeymasterBlob* keysToSign,
const cppcose::HmacSha256Function& macFunction);
cppbor::Array buildCertReqRecipients(const std::vector<uint8_t>& pubkey,
const std::vector<uint8_t>& kid);
} // namespace keymaster
|
