blob: efd6e239e045b6bf2ea655a6872f9cf2d5b2d6bc [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <cstddef>
#include "net/third_party/quiche/src/quic/core/crypto/quic_encrypter.h"
#include "net/third_party/quiche/src/quic/core/quic_types.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_export.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_string_piece.h"
namespace quic {
// A NullEncrypter is a QuicEncrypter used before a crypto negotiation
// has occurred. It does not actually encrypt the payload, but does
// generate a MAC (fnv128) over both the payload and associated data.
class QUIC_EXPORT_PRIVATE NullEncrypter : public QuicEncrypter {
explicit NullEncrypter(Perspective perspective);
NullEncrypter(const NullEncrypter&) = delete;
NullEncrypter& operator=(const NullEncrypter&) = delete;
~NullEncrypter() override {}
// QuicEncrypter implementation
bool SetKey(QuicStringPiece key) override;
bool SetNoncePrefix(QuicStringPiece nonce_prefix) override;
bool SetIV(QuicStringPiece iv) override;
bool SetHeaderProtectionKey(QuicStringPiece key) override;
bool EncryptPacket(uint64_t packet_number,
QuicStringPiece associated_data,
QuicStringPiece plaintext,
char* output,
size_t* output_length,
size_t max_output_length) override;
std::string GenerateHeaderProtectionMask(QuicStringPiece sample) override;
size_t GetKeySize() const override;
size_t GetNoncePrefixSize() const override;
size_t GetIVSize() const override;
size_t GetMaxPlaintextSize(size_t ciphertext_size) const override;
size_t GetCiphertextSize(size_t plaintext_size) const override;
QuicStringPiece GetKey() const override;
QuicStringPiece GetNoncePrefix() const override;
size_t GetHashLength() const;
Perspective perspective_;
} // namespace quic