62 lines
2.5 KiB
C++
62 lines
2.5 KiB
C++
/*
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* Copyright 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SYSTEM_KEYMASTER_ATTESTATION_RECORD_H_
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#define SYSTEM_KEYMASTER_ATTESTATION_RECORD_H_
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#include <hardware/keymaster_defs.h>
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#include <keymaster/authorization_set.h>
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namespace keymaster {
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class KeymasterContext;
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/**
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* The OID for Android attestation records. For the curious, it breaks down as follows:
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*
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* 1 = ISO
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* 3 = org
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* 6 = DoD (Huh? OIDs are weird.)
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* 1 = IANA
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* 4 = Private
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* 1 = Enterprises
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* 11129 = Google
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* 2 = Google security
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* 1 = certificate extension
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* 17 = Android attestation extension.
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*/
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static const char kAttestionRecordOid[] = "1.3.6.1.4.1.11129.2.1.17";
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keymaster_error_t build_attestation_record(const AuthorizationSet& attestation_params,
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AuthorizationSet software_enforced,
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AuthorizationSet tee_enforced,
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const KeymasterContext& context,
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UniquePtr<uint8_t[]>* asn1_key_desc,
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size_t* asn1_key_desc_len);
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keymaster_error_t parse_attestation_record(const uint8_t* asn1_key_desc, size_t asn1_key_desc_len,
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uint32_t* attestation_version, //
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keymaster_security_level_t* attestation_security_level,
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uint32_t* keymaster_version,
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keymaster_security_level_t* keymaster_security_level,
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keymaster_blob_t* attestation_challenge,
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AuthorizationSet* software_enforced,
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AuthorizationSet* tee_enforced,
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keymaster_blob_t* unique_id);
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} // namespace keymaster
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#endif // SYSTEM_KEYMASTER_ATTESTATION_RECORD_H_
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