aosp12/system/vold/CryptoType.cpp

44 lines
1.4 KiB
C++

/*
* Copyright (C) 2020 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 "CryptoType.h"
#include <string.h>
#include <android-base/logging.h>
#include <cutils/properties.h>
namespace android {
namespace vold {
const CryptoType& lookup_crypto_algorithm(const CryptoType table[], int table_len,
const CryptoType& default_alg, const char* property) {
char paramstr[PROPERTY_VALUE_MAX];
property_get(property, paramstr, default_alg.get_config_name());
for (int i = 0; i < table_len; i++) {
if (strcmp(paramstr, table[i].get_config_name()) == 0) {
return table[i];
}
}
LOG(ERROR) << "Invalid name (" << paramstr << ") for " << property << ". Defaulting to "
<< default_alg.get_config_name() << ".";
return default_alg;
}
} // namespace vold
} // namespace android