72 lines
2.9 KiB
C++
72 lines
2.9 KiB
C++
/*
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* Copyright 2017 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_WRAPPED_KEY_H_
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#define SYSTEM_KEYMASTER_WRAPPED_KEY_H_
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#include <hardware/keymaster_defs.h>
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#include <keymaster/authorization_set.h>
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#include <keymaster/km_openssl/attestation_record.h>
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namespace keymaster {
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typedef struct km_wrapped_key_description {
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ASN1_INTEGER* key_format;
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KM_AUTH_LIST* auth_list;
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} KM_WRAPPED_KEY_DESCRIPTION;
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ASN1_SEQUENCE(KM_WRAPPED_KEY_DESCRIPTION) = {
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ASN1_SIMPLE(KM_WRAPPED_KEY_DESCRIPTION, key_format, ASN1_INTEGER),
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ASN1_SIMPLE(KM_WRAPPED_KEY_DESCRIPTION, auth_list, KM_AUTH_LIST),
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} ASN1_SEQUENCE_END(KM_WRAPPED_KEY_DESCRIPTION);
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DECLARE_ASN1_FUNCTIONS(KM_WRAPPED_KEY_DESCRIPTION);
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typedef struct km_wrapped_key {
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ASN1_INTEGER* version;
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ASN1_OCTET_STRING* transit_key;
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ASN1_OCTET_STRING* iv;
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KM_WRAPPED_KEY_DESCRIPTION* wrapped_key_description;
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ASN1_OCTET_STRING* secure_key;
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ASN1_OCTET_STRING* tag;
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} KM_WRAPPED_KEY;
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ASN1_SEQUENCE(KM_WRAPPED_KEY) = {
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ASN1_SIMPLE(KM_WRAPPED_KEY, version, ASN1_INTEGER),
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ASN1_SIMPLE(KM_WRAPPED_KEY, transit_key, ASN1_OCTET_STRING),
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ASN1_SIMPLE(KM_WRAPPED_KEY, iv, ASN1_OCTET_STRING),
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ASN1_SIMPLE(KM_WRAPPED_KEY, wrapped_key_description, KM_WRAPPED_KEY_DESCRIPTION),
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ASN1_SIMPLE(KM_WRAPPED_KEY, secure_key, ASN1_OCTET_STRING),
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ASN1_SIMPLE(KM_WRAPPED_KEY, tag, ASN1_OCTET_STRING),
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} ASN1_SEQUENCE_END(KM_WRAPPED_KEY);
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DECLARE_ASN1_FUNCTIONS(KM_WRAPPED_KEY);
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keymaster_error_t build_wrapped_key(const KeymasterKeyBlob& encrypted_ephemeral_key,
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const KeymasterBlob& iv, keymaster_key_format_t key_format,
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const KeymasterKeyBlob& secure_key, const KeymasterBlob& tag,
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const AuthorizationSet& authorization_list,
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KeymasterKeyBlob* der_wrapped_key);
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keymaster_error_t parse_wrapped_key(const KeymasterKeyBlob& wrapped_key, KeymasterBlob* iv,
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KeymasterKeyBlob* transit_key, KeymasterKeyBlob* secure_key,
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KeymasterBlob* tag, AuthorizationSet* auth_list,
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keymaster_key_format_t* key_format,
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KeymasterBlob* wrapped_key_description);
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} // namespace keymaster
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#endif // SYSTEM_KEYMASTER_WRAPPED_KEY_H_
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