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/*
* Copyright (C) 2012 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.
*/
#include <android/security/keystore/IKeystoreService.h>
#include <binder/IServiceManager.h>
#include <keystore/keystore_get.h>
#include <vector>
using namespace android;
using namespace keystore;
ssize_t keystore_get(const char* key, size_t keyLength, uint8_t** value) {
sp<IServiceManager> sm = defaultServiceManager();
sp<IBinder> binder = sm->getService(String16("android.security.keystore"));
sp<android::security::keystore::IKeystoreService> service =
interface_cast<android::security::keystore::IKeystoreService>(binder);
if (service == nullptr) {
return -1;
}
::std::vector<uint8_t> result;
auto ret = service->get(String16(key, keyLength), -1, &result);
if (!ret.isOk()) return -1;
if (value) {
*value = reinterpret_cast<uint8_t*>(malloc(result.size()));
if (!*value) return -1;
memcpy(*value, &result[0], result.size());
}
return result.size();
}