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/*
* Copyright (c) 2019, 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_SECURITY_WRITABLE_CREDENTIAL_H_
#define SYSTEM_SECURITY_WRITABLE_CREDENTIAL_H_
#include <string>
#include <vector>
#include <android/security/identity/BnWritableCredential.h>
#include <android/hardware/identity/IIdentityCredentialStore.h>
#include "Credential.h"
namespace android {
namespace security {
namespace identity {
using ::android::binder::Status;
using ::android::hardware::identity::HardwareInformation;
using ::android::hardware::identity::IWritableIdentityCredential;
using ::std::string;
using ::std::vector;
class WritableCredential : public BnWritableCredential {
public:
WritableCredential(const string& dataPath, const string& credentialName, const string& docType,
bool isUpdate, HardwareInformation hwInfo,
sp<IWritableIdentityCredential> halBinder);
~WritableCredential();
// Used when updating a credential
void setAttestationCertificate(const vector<uint8_t>& attestationCertificate);
void setAvailableAuthenticationKeys(int keyCount, int maxUsesPerKey);
// Used by Credential::update()
void setCredentialToReloadWhenUpdated(sp<Credential> credential);
// IWritableCredential overrides
Status getCredentialKeyCertificateChain(const vector<uint8_t>& challenge,
vector<uint8_t>* _aidl_return) override;
Status personalize(const vector<AccessControlProfileParcel>& accessControlProfiles,
const vector<EntryNamespaceParcel>& entryNamespaces, int64_t secureUserId,
vector<uint8_t>* _aidl_return) override;
private:
string dataPath_;
string credentialName_;
string docType_;
bool isUpdate_;
HardwareInformation hwInfo_;
sp<IWritableIdentityCredential> halBinder_;
vector<uint8_t> attestationCertificate_;
int keyCount_ = 0;
int maxUsesPerKey_ = 1;
sp<Credential> credentialToReloadWhenUpdated_;
ssize_t calcExpectedProofOfProvisioningSize(
const vector<AccessControlProfileParcel>& accessControlProfiles,
const vector<EntryNamespaceParcel>& entryNamespaces);
Status ensureAttestationCertificateExists(const vector<uint8_t>& challenge);
};
} // namespace identity
} // namespace security
} // namespace android
#endif // SYSTEM_SECURITY_WRITABLE_CREDENTIAL_H_