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- // Copyright 2017 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 "net/quic/mock_decrypter.h"
- #include <limits>
- #include "net/third_party/quiche/src/quiche/quic/core/quic_utils.h"
- #include "net/third_party/quiche/src/quiche/quic/platform/api/quic_bug_tracker.h"
- using quic::DiversificationNonce;
- using quic::Perspective;
- using quic::QuicPacketNumber;
- namespace net {
- namespace {
- const size_t kPaddingSize = 12;
- } // namespace
- MockDecrypter::MockDecrypter(Perspective perspective) {}
- bool MockDecrypter::SetKey(absl::string_view key) {
- return key.empty();
- }
- bool MockDecrypter::SetNoncePrefix(absl::string_view nonce_prefix) {
- return nonce_prefix.empty();
- }
- bool MockDecrypter::SetIV(absl::string_view iv) {
- return iv.empty();
- }
- bool MockDecrypter::SetHeaderProtectionKey(absl::string_view key) {
- return key.empty();
- }
- size_t MockDecrypter::GetKeySize() const {
- return 0;
- }
- size_t MockDecrypter::GetIVSize() const {
- return 0;
- }
- size_t MockDecrypter::GetNoncePrefixSize() const {
- return 0;
- }
- bool MockDecrypter::SetPreliminaryKey(absl::string_view key) {
- LOG(DFATAL) << "Should not be called";
- return false;
- }
- bool MockDecrypter::SetDiversificationNonce(const DiversificationNonce& nonce) {
- LOG(DFATAL) << "Should not be called";
- return true;
- }
- bool MockDecrypter::DecryptPacket(uint64_t /*packet_number*/,
- absl::string_view associated_data,
- absl::string_view ciphertext,
- char* output,
- size_t* output_length,
- size_t max_output_length) {
- if (ciphertext.length() < kPaddingSize) {
- return false;
- }
- size_t plaintext_size = ciphertext.length() - kPaddingSize;
- if (plaintext_size > max_output_length) {
- return false;
- }
- memcpy(output, ciphertext.data(), plaintext_size);
- *output_length = plaintext_size;
- return true;
- }
- std::string MockDecrypter::GenerateHeaderProtectionMask(
- quic::QuicDataReader* sample_reader) {
- return std::string(5, 0);
- }
- uint32_t MockDecrypter::cipher_id() const {
- return 0;
- }
- quic::QuicPacketCount MockDecrypter::GetIntegrityLimit() const {
- return std::numeric_limits<quic::QuicPacketCount>::max();
- }
- absl::string_view MockDecrypter::GetKey() const {
- return absl::string_view();
- }
- absl::string_view MockDecrypter::GetNoncePrefix() const {
- return absl::string_view();
- }
- } // namespace net
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