blob: 64acabc683257c2a6494cc628c66965cee5cbd4e
1 | /* |
2 | * Copyright 2016 The Android Open Source Project |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | * you may not use this file except in compliance with the License. |
6 | * You may obtain a copy of the License at |
7 | * |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * |
10 | * Unless required by applicable law or agreed to in writing, software |
11 | * distributed under the License is distributed on an "AS IS" BASIS, |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
13 | * See the License for the specific language governing permissions and |
14 | * limitations under the License. |
15 | */ |
16 | |
17 | #ifndef SYSTEM_KEYMASTER_ATTESTATION_RECORD_H_ |
18 | #define SYSTEM_KEYMASTER_ATTESTATION_RECORD_H_ |
19 | |
20 | #include <hardware/keymaster_defs.h> |
21 | |
22 | #include <keymaster/authorization_set.h> |
23 | |
24 | namespace keymaster { |
25 | |
26 | class KeymasterContext; |
27 | |
28 | /** |
29 | * The OID for Android attestation records. For the curious, it breaks down as follows: |
30 | * |
31 | * 1 = ISO |
32 | * 3 = org |
33 | * 6 = DoD (Huh? OIDs are weird.) |
34 | * 1 = IANA |
35 | * 4 = Private |
36 | * 1 = Enterprises |
37 | * 11129 = Google |
38 | * 2 = Google security |
39 | * 1 = certificate extension |
40 | * 17 = Android attestation extension. |
41 | */ |
42 | static const char kAttestionRecordOid[] = "1.3.6.1.4.1.11129.2.1.17"; |
43 | |
44 | keymaster_error_t build_attestation_record(const AuthorizationSet& attestation_params, |
45 | const AuthorizationSet& software_enforced, |
46 | const AuthorizationSet& tee_enforced, |
47 | const KeymasterContext& context, |
48 | UniquePtr<uint8_t[]>* asn1_key_desc, |
49 | size_t* asn1_key_desc_len); |
50 | |
51 | keymaster_error_t parse_attestation_record(const uint8_t* asn1_key_desc, size_t asn1_key_desc_len, |
52 | uint32_t* attestation_version, // |
53 | keymaster_security_level_t* attestation_security_level, |
54 | uint32_t* keymaster_version, |
55 | keymaster_security_level_t* keymaster_security_level, |
56 | keymaster_blob_t* attestation_challenge, |
57 | AuthorizationSet* software_enforced, |
58 | AuthorizationSet* tee_enforced, |
59 | keymaster_blob_t* unique_id); |
60 | } |
61 | |
62 | #endif // SYSTEM_KEYMASTER_ATTESTATION_RECORD_H_ |
63 |