105 lines
2.5 KiB
C++
105 lines
2.5 KiB
C++
// Copyright 2017 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "net/quic/mock_decrypter.h"
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#include <limits>
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#include "net/third_party/quiche/src/quiche/quic/core/quic_utils.h"
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#include "net/third_party/quiche/src/quiche/quic/platform/api/quic_bug_tracker.h"
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using quic::DiversificationNonce;
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using quic::Perspective;
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using quic::QuicPacketNumber;
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namespace net {
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namespace {
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const size_t kPaddingSize = 12;
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} // namespace
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MockDecrypter::MockDecrypter(Perspective perspective) {}
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bool MockDecrypter::SetKey(absl::string_view key) {
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return key.empty();
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}
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bool MockDecrypter::SetNoncePrefix(absl::string_view nonce_prefix) {
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return nonce_prefix.empty();
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}
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bool MockDecrypter::SetIV(absl::string_view iv) {
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return iv.empty();
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}
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bool MockDecrypter::SetHeaderProtectionKey(absl::string_view key) {
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return key.empty();
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}
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size_t MockDecrypter::GetKeySize() const {
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return 0;
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}
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size_t MockDecrypter::GetIVSize() const {
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return 0;
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}
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size_t MockDecrypter::GetNoncePrefixSize() const {
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return 0;
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}
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bool MockDecrypter::SetPreliminaryKey(absl::string_view key) {
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LOG(DFATAL) << "Should not be called";
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return false;
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}
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bool MockDecrypter::SetDiversificationNonce(const DiversificationNonce& nonce) {
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LOG(DFATAL) << "Should not be called";
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return true;
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}
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bool MockDecrypter::DecryptPacket(uint64_t /*packet_number*/,
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absl::string_view associated_data,
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absl::string_view ciphertext,
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char* output,
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size_t* output_length,
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size_t max_output_length) {
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if (ciphertext.length() < kPaddingSize) {
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return false;
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}
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size_t plaintext_size = ciphertext.length() - kPaddingSize;
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if (plaintext_size > max_output_length) {
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return false;
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}
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memcpy(output, ciphertext.data(), plaintext_size);
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*output_length = plaintext_size;
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return true;
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}
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std::string MockDecrypter::GenerateHeaderProtectionMask(
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quic::QuicDataReader* sample_reader) {
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return std::string(5, 0);
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}
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uint32_t MockDecrypter::cipher_id() const {
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return 0;
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}
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quic::QuicPacketCount MockDecrypter::GetIntegrityLimit() const {
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return std::numeric_limits<quic::QuicPacketCount>::max();
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}
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absl::string_view MockDecrypter::GetKey() const {
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return absl::string_view();
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}
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absl::string_view MockDecrypter::GetNoncePrefix() const {
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return absl::string_view();
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}
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} // namespace net
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