| /* |
| * Copyright 2016 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. |
| */ |
| |
| #ifndef SYSTEM_KEYMASTER_ATTESTATION_RECORD_H_ |
| #define SYSTEM_KEYMASTER_ATTESTATION_RECORD_H_ |
| |
| #include <hardware/keymaster_defs.h> |
| |
| #include <keymaster/authorization_set.h> |
| |
| namespace keymaster { |
| |
| class KeymasterContext; |
| |
| /** |
| * The OID for Android attestation records. For the curious, it breaks down as follows: |
| * |
| * 1 = ISO |
| * 3 = org |
| * 6 = DoD (Huh? OIDs are weird.) |
| * 1 = IANA |
| * 4 = Private |
| * 1 = Enterprises |
| * 11129 = Google |
| * 2 = Google security |
| * 1 = certificate extension |
| * 17 = Android attestation extension. |
| */ |
| static const char kAttestionRecordOid[] = "1.3.6.1.4.1.11129.2.1.17"; |
| |
| keymaster_error_t build_attestation_record(const AuthorizationSet& attestation_params, |
| AuthorizationSet software_enforced, |
| AuthorizationSet tee_enforced, |
| const KeymasterContext& context, |
| UniquePtr<uint8_t[]>* asn1_key_desc, |
| size_t* asn1_key_desc_len); |
| |
| keymaster_error_t parse_attestation_record(const uint8_t* asn1_key_desc, size_t asn1_key_desc_len, |
| uint32_t* attestation_version, // |
| keymaster_security_level_t* attestation_security_level, |
| uint32_t* keymaster_version, |
| keymaster_security_level_t* keymaster_security_level, |
| keymaster_blob_t* attestation_challenge, |
| AuthorizationSet* software_enforced, |
| AuthorizationSet* tee_enforced, |
| keymaster_blob_t* unique_id); |
| } // namespace keymaster |
| |
| #endif // SYSTEM_KEYMASTER_ATTESTATION_RECORD_H_ |