/*
 * Copyright (C) 2024 Huawei Device Co., Ltd.
 * 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 TELEPHONY_BASE64_H
#define TELEPHONY_BASE64_H

#include <memory>
#include <string>
#include <vector>

constexpr const size_t BASE64_ENCODED_UNIT = 4;
constexpr const size_t BASE64_INPUT_UNIT = 3;
constexpr const size_t BASE64_INPUT_UNIT_PAD = 2;
constexpr const size_t BASE64_OUTPUT_PADDING = 1;

namespace OHOS {
namespace Telephony {
class Base64 {
public:
    Base64() = delete;
    ~Base64() = delete;
    static std::shared_ptr<std::string> Encode(const std::vector<unsigned char> &input);
    static std::shared_ptr<std::string> Encode(const std::string &input);
    static std::shared_ptr<std::vector<unsigned char>> Decode(const std::string &input);
};
}
}
#endif //TELEPHONY_BASE64_H