e2a78a48c0
Without this extra information passed upfront it's not practical to implement a HAL which incrementally builds up cryptographically authenticated data. This information is conveyed by using two new methods on version 2 of the Identity Credential HAL. If these methods are not implemented (if a version 1 HAL is running) the invocation fails and we handle this gracefully by just ignoring the error. Bug: 154631410 Test: atest VtsHalIdentityTargetTest Test: atest android.security.identity.cts Change-Id: I17d516e41e800f58daa4c11dcca0305c80740d5b
69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
/*
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* Copyright (c) 2019, 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_SECURITY_WRITABLE_CREDENTIAL_H_
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#define SYSTEM_SECURITY_WRITABLE_CREDENTIAL_H_
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#include <string>
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#include <vector>
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#include <android/security/identity/BnWritableCredential.h>
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#include <android/hardware/identity/IIdentityCredentialStore.h>
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namespace android {
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namespace security {
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namespace identity {
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using ::android::binder::Status;
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using ::android::hardware::identity::IWritableIdentityCredential;
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using ::std::string;
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using ::std::vector;
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class WritableCredential : public BnWritableCredential {
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public:
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WritableCredential(const string& dataPath, const string& credentialName, const string& docType,
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size_t dataChunkSize, sp<IWritableIdentityCredential> halBinder);
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~WritableCredential();
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// IWritableCredential overrides
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Status getCredentialKeyCertificateChain(const vector<uint8_t>& challenge,
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vector<uint8_t>* _aidl_return) override;
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Status personalize(const vector<AccessControlProfileParcel>& accessControlProfiles,
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const vector<EntryNamespaceParcel>& entryNamespaces, int64_t secureUserId,
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vector<uint8_t>* _aidl_return) override;
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private:
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string dataPath_;
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string credentialName_;
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string docType_;
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size_t dataChunkSize_;
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sp<IWritableIdentityCredential> halBinder_;
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vector<uint8_t> attestationCertificate_;
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ssize_t calcExpectedProofOfProvisioningSize(
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const vector<AccessControlProfileParcel>& accessControlProfiles,
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const vector<EntryNamespaceParcel>& entryNamespaces);
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Status ensureAttestationCertificateExists(const vector<uint8_t>& challenge);
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};
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} // namespace identity
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} // namespace security
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} // namespace android
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#endif // SYSTEM_SECURITY_WRITABLE_CREDENTIAL_H_
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