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/** @file
*
* QUIC TLS
*
* @section license License
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 "QUICKeyGenerator.h"
#include "QUICTypes.h"
#include "QUICTransportParameters.h"
class QUICHandshakeProtocol;
class QUICPacketProtectionKeyInfo;
struct QUICHandshakeMsgs {
uint8_t *buf = nullptr; //< pointer to the buffer
size_t max_buf_len = 0; //< size of buffer
size_t offsets[5] = {0}; //< offset to the each encryption level - {initial, zero_rtt, handshake, one_rtt, total length}
uint16_t error_code = 0; //< CRYPTO_ERROR - TLS Alert Description + 0x100
};
class QUICHandshakeProtocol
{
public:
QUICHandshakeProtocol(QUICPacketProtectionKeyInfo &pp_key_info) : _pp_key_info(pp_key_info) {}
virtual ~QUICHandshakeProtocol(){};
virtual int handshake(QUICHandshakeMsgs **out, const QUICHandshakeMsgs *in) = 0;
virtual void reset() = 0;
virtual bool is_handshake_finished() const = 0;
virtual bool is_ready_to_derive() const = 0;
virtual int initialize_key_materials(QUICConnectionId cid) = 0;
virtual const char *negotiated_cipher_suite() const = 0;
virtual void negotiated_application_name(const uint8_t **name, unsigned int *len) const = 0;
virtual std::shared_ptr<const QUICTransportParameters> local_transport_parameters() = 0;
virtual std::shared_ptr<const QUICTransportParameters> remote_transport_parameters() = 0;
virtual void set_local_transport_parameters(std::shared_ptr<const QUICTransportParameters> tp) = 0;
virtual void set_remote_transport_parameters(std::shared_ptr<const QUICTransportParameters> tp) = 0;
virtual QUICEncryptionLevel current_encryption_level() const = 0;
virtual void abort_handshake() = 0;
virtual bool has_crypto_error() const = 0;
virtual uint64_t crypto_error() const = 0;
protected:
QUICPacketProtectionKeyInfo &_pp_key_info;
};