src/app/icd/client/ICDClientInfo.h

/*
 *
 *    Copyright (c) 2023 Project CHIP Authors
 *
 *    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.
 */

#pragma once

#include <crypto/CHIPCryptoPAL.h>
#include <lib/core/CHIPConfig.h>
#include <lib/core/DataModelTypes.h>
#include <lib/core/ScopedNodeId.h>
#include <lib/support/CodeUtils.h>
#include <stddef.h>

namespace chip {
namespace app {

struct ICDClientInfo
{
    ScopedNodeId peer_node;
    uint32_t start_icd_counter               = 0;
    uint32_t offset                          = 0;
    uint64_t monitored_subject               = static_cast<uint64_t>(0);
    Crypto::Aes128KeyHandle aes_key_handle   = Crypto::Aes128KeyHandle();
    Crypto::Hmac128KeyHandle hmac_key_handle = Crypto::Hmac128KeyHandle();

    ICDClientInfo() {}
    ICDClientInfo(const ICDClientInfo & other) { *this = other; }

    ICDClientInfo & operator=(const ICDClientInfo & other)
    {
        peer_node         = other.peer_node;
        start_icd_counter = other.start_icd_counter;
        offset            = other.offset;
        monitored_subject = other.monitored_subject;
        ByteSpan aes_buf(other.aes_key_handle.As<Crypto::Symmetric128BitsKeyByteArray>());
        memcpy(aes_key_handle.AsMutable<Crypto::Symmetric128BitsKeyByteArray>(), aes_buf.data(),
               sizeof(Crypto::Symmetric128BitsKeyByteArray));
        ByteSpan hmac_buf(other.hmac_key_handle.As<Crypto::Symmetric128BitsKeyByteArray>());
        memcpy(hmac_key_handle.AsMutable<Crypto::Symmetric128BitsKeyByteArray>(), hmac_buf.data(),
               sizeof(Crypto::Symmetric128BitsKeyByteArray));
        return *this;
    }
};

} // namespace app
} // namespace chip